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  1. Article ; Online: Direct Measurement of the Branching Fractions B(ψ(3686)→J/ψX) and B(ψ(3770)→J/ψX), and Observation of the State R(3760) in e^{+}e^{-}→J/ψX.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Amoroso, A / An, Q / Anita / Bai, Y / Bakina, O / Baldini Ferroli, R / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D / Bianchi, F /
    Biernat, J / Bloms, J / Bortone, A / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, X R / Chen, Y B / Cheng, W / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / de Boer, R B / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Du, S X / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, X L / Gao, Y / Gao, Y G / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Han, T T / Han, T Z / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Holtmann, T / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, L Q / Huang, X T / Huang, Z / Huesken, N / Hussain, T / Ikegami Andersson, W / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H B / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M G / Kühn, W / Lane, J J / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H B / Li, H J / Li, J L / Li, J Q / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, L Z / Libby, J / Lin, C X / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, L Y / Liu, Q / Liu, S B / Liu, T / Liu, X / Liu, Y B / Liu, Z A / Liu, Z Q / Long, Y F / Lou, X C / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Muchnoi, N Yu / Muramatsu, H / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, Y / Papenbrock, M / Pathak, A / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qian, W-B / Qiao, C F / Qin, L Q / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Savrié, M / Schelhaas, Y / Schnier, C / Schoenning, K / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, Y X / Sosio, S / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z T / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y D / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Weber, T / Wei, D H / Weidenkaff, P / Weidner, F / Wen, H W / Wen, S P / White, D J / Wiedner, U / Wilkinson, G / Wolke, M / Wollenberg, L / Wu, J F / Wu, L H / Wu, L J / Wu, X / Wu, Z / Xia, L / Xiao, H / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xu, G F / Xu, J J / Xu, Q J / Xu, W / Xu, X P / Yan, L / Yan, W B / Yan, W C / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Zhi / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yuan, C Z / Yuan, W / Yuan, X Q / Yuan, Y / Yue, C X / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, Guangyi / Zhang, H H / Zhang, H Y / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yan / Zhang, Yao / Zhang, Yi / Zhang, Z H / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, Y B / Zhao Zhao, Y X / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

    Physical review letters

    2021  Volume 127, Issue 8, Page(s) 82002

    Abstract: We report a measurement of the observed cross sections of e^{+}e^{-}→J/ψX based on 3.21  fb^{-1} of data accumulated at energies from 3.645 to 3.891 GeV with the BESIII detector operated at the BEPCII collider. In analysis of the cross sections, we ... ...

    Abstract We report a measurement of the observed cross sections of e^{+}e^{-}→J/ψX based on 3.21  fb^{-1} of data accumulated at energies from 3.645 to 3.891 GeV with the BESIII detector operated at the BEPCII collider. In analysis of the cross sections, we measured the decay branching fractions of B(ψ(3686)→J/ψX)=(64.4±0.6±1.6)% and B(ψ(3770)→J/ψX)=(0.5±0.2±0.1)% for the first time. The energy-dependent line shape of these cross sections cannot be well described by two Breit-Wigner (BW) amplitudes of the expected decays ψ(3686)→J/ψX and ψ(3770)→J/ψX. Instead, it can be better described with one more BW amplitude of the decay R(3760)→J/ψX. Under this assumption, we extracted the R(3760) mass M_{R(3760)}=3766.2±3.8±0.4  MeV/c^{2} , total width Γ_{R(3760)}^{tot}=22.2±5.9±1.4  MeV, and product of leptonic width and decay branching fraction Γ_{R(3760)}^{ee}B[R(3760)→J/ψX]=(79.4±85.5±11.7)  eV. The significance of the R(3760) is 5.3σ. The first uncertainties of these measured quantities are from fits to the cross sections and second systematic.
    Language English
    Publishing date 2021-09-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.127.082002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Model-Independent Determination of the Spin of the Ω^{-} and Its Polarization Alignment in ψ(3686)→Ω^{-}Ω[over ¯]^{+}.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Amoroso, A / An, Q / Anita / Bai, Y / Bakina, O / Baldini Ferroli, R / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D / Bianchi, F /
    Biernat, J / Bloms, J / Bortone, A / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, X R / Chen, Y B / Cheng, W S / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / de Boer, R B / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Du, S X / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, X L / Gao, Y / Gao, Y G / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Han, T T / Han, T Z / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Holtmann, T / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, L Q / Huang, X T / Huang, Z / Huesken, N / Hussain, T / Ikegami Andersson, W / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H B / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M G / Kühn, W / Lane, J J / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H B / Li, H J / Li, J L / Li, J Q / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, L Z / Libby, J / Lin, C X / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, Q / Liu, S B / Liu, Shuai / Liu, T / Liu, X / Liu, Y B / Liu, Z A / Liu, Z Q / Long, Y F / Lou, X C / Lu, F X / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Muchnoi, N Yu / Muramatsu, H / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, X / Pan, Y / Pathak, A / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qian, W-B / Qian, Z / Qiao, C F / Qin, L Q / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Schelhaas, Y / Schnier, C / Schoenning, K / Shan, D C / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, W M / Song, Y X / Sosio, S / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, W H / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y D / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / Weidenkaff, P / Weidner, F / Wen, S P / White, D J / Wiedner, U / Wilkinson, G / Wolke, M / Wollenberg, L / Wu, J F / Wu, L H / Wu, L J / Wu, X / Wu, Z / Xia, L / Xiao, H / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xu, G F / Xu, J J / Xu, Q J / Xu, W / Xu, X P / Yan, L / Yan, W B / Yan, W C / Yan, Xu / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Zhi / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yuan, C Z / Yuan, W / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, Guangyi / Zhang, H H / Zhang, H Y / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yan / Zhang, Yao / Zhang, Yi / Zhang, Z H / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, Y B / Zhao, Y X Zhao / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

    Physical review letters

    2021  Volume 126, Issue 9, Page(s) 92002

    Abstract: We present an analysis of the process ψ(3686)→Ω^{-}Ω[over ¯]^{+} (Ω^{-}→K^{-}Λ, Ω[over ¯]^{+}→K^{+}Λ[over ¯], Λ→pπ^{-}, Λ[over ¯]→p[over ¯]π^{+}) based on a dataset of 448×10^{6}  ψ(3686) decays collected with the BESIII detector at the BEPCII electron- ... ...

    Abstract We present an analysis of the process ψ(3686)→Ω^{-}Ω[over ¯]^{+} (Ω^{-}→K^{-}Λ, Ω[over ¯]^{+}→K^{+}Λ[over ¯], Λ→pπ^{-}, Λ[over ¯]→p[over ¯]π^{+}) based on a dataset of 448×10^{6}  ψ(3686) decays collected with the BESIII detector at the BEPCII electron-positron collider. The helicity amplitudes for the process ψ(3686)→Ω^{-}Ω[over ¯]^{+} and the decay parameters of the subsequent decay Ω^{-}→K^{-}Λ (Ω[over ¯]^{+}→K^{+}Λ[over ¯]) are measured for the first time by a fit to the angular distribution of the complete decay chain, and the spin of the Ω^{-} is determined to be 3/2 for the first time since its discovery more than 50 years ago.
    Language English
    Publishing date 2021-03-22
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.126.092002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Σ^{+} and Σ[over ¯]^{-} Polarization in the J/ψ and ψ(3686) Decays.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Amoroso, A / An, Q / Anita / Bai, Y / Bakina, O / Ferroli, R Baldini / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D / Bianchi, F /
    Biernat, J / Bloms, J / Bortone, A / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, X R / Chen, Y B / Cheng, W / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / de Boer, R B / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Du, S X / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, X L / Gao, Y / Gao, Y G / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Han, T T / Han, T Z / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Holtmann, T / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, L Q / Huang, X T / Huang, Z / Huesken, N / Hussain, T / Andersson, W Ikegami / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H B / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M G / Kühn, W / Lane, J J / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H B / Li, H J / Li, J L / Li, J Q / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, L Z / Libby, J / Lin, C X / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, Q / Liu, S B / Liu, Shuai / Liu, T / Liu, X / Liu, Y B / Liu, Z A / Liu, Z Q / Long, Y F / Lou, X C / Lu, F X / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Muchnoi, N Yu / Muramatsu, H / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, X / Pan, Y / Pathak, A / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qian, W-B / Qian, Z / Qiao, C F / Qin, L Q / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Savrié, M / Schelhaas, Y / Schnier, C / Schoenning, K / Shan, D C / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, W M / Song, Y X / Sosio, S / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, W H / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y D / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / Weidenkaff, P / Weidner, F / Wen, S P / White, D J / Wiedner, U / Wilkinson, G / Wolke, M / Wollenberg, L / Wu, J F / Wu, L H / Wu, L J / Wu, X / Wu, Z / Xia, L / Xiao, H / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xu, G F / Xu, J J / Xu, Q J / Xu, W / Xu, X P / Yan, L / Yan, W B / Yan, W C / Yan, Xu / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Zhi / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yuan, C Z / Yuan, W / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, Guangyi / Zhang, H H / Zhang, H Y / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yan / Zhang, Yao / Zhang, Yi / Zhang, Z H / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, Y B / Zhao, Y X Zhao / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

    Physical review letters

    2020  Volume 125, Issue 5, Page(s) 52004

    Abstract: From 1310.6×10^{6}  J/ψ and 448.1×10^{6}  ψ(3686) events collected with the BESIII experiment, we report the first observation of Σ^{+} and Σ[over ¯]^{-} spin polarization in e^{+}e^{-}→J/ψ[ψ(3686)]→Σ^{+}Σ[over ¯]^{-} decays. The relative phases of the ... ...

    Abstract From 1310.6×10^{6}  J/ψ and 448.1×10^{6}  ψ(3686) events collected with the BESIII experiment, we report the first observation of Σ^{+} and Σ[over ¯]^{-} spin polarization in e^{+}e^{-}→J/ψ[ψ(3686)]→Σ^{+}Σ[over ¯]^{-} decays. The relative phases of the form factors ΔΦ have been measured to be (-15.5±0.7±0.5)° and (21.7±4.0±0.8)° with J/ψ and ψ(3686) data, respectively. The nonzero value of ΔΦ allows for a direct and simultaneous measurement of the decay asymmetry parameters of Σ^{+}→pπ^{0}(α_{0}=-0.998±0.037±0.009) and Σ[over ¯]^{-}→p[over ¯]π^{0}(α[over ¯]_{0}=0.990±0.037±0.011), the latter value being determined for the first time. The average decay asymmetry, (α_{0}-α[over ¯]_{0})/2, is calculated to be -0.994±0.004±0.002. The CP asymmetry A_{CP,Σ}=(α_{0}+α[over ¯]_{0})/(α_{0}-α[over ¯]_{0})=-0.004±0.037±0.010 is extracted for the first time, and is found to be consistent with CP conservation.
    Language English
    Publishing date 2020-08-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.125.052004
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: First Observation of D^{+}→ημ^{+}ν_{μ} and Measurement of Its Decay Dynamics.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Amoroso, A / An, Q / Anita / Bai, X H / Bai, Y / Bakina, O / Baldini Ferroli, R / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D /
    Bianchi, F / Biernat, J / Bloms, J / Bortone, A / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, X R / Chen, Y B / Cheng, W S / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / de Boer, R B / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Du, S X / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, X L / Gao, Y / Gao, Y G / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Han, T T / Han, T Z / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Holtmann, T / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, L Q / Huang, X T / Huang, Y P / Huang, Z / Huesken, N / Hussain, T / Ikegami Andersson, W / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H B / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M G / Kühn, W / Lane, J J / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H B / Li, H J / Li, J L / Li, J Q / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, L Z / Libby, J / Lin, C X / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, Q / Liu, S B / Liu, Shuai / Liu, T / Liu, X / Liu, Y B / Liu, Z A / Liu, Z Q / Long, Y F / Lou, X C / Lu, F X / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Muchnoi, N Yu / Muramatsu, H / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, X / Pan, Y / Pathak, A / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qian, W-B / Qian, Z / Qiao, C F / Qin, L Q / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Schelhaas, Y / Schnier, C / Schoenning, K / Shan, D C / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, W M / Song, Y X / Sosio, S / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, W H / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y D / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / Weidenkaff, P / Weidner, F / Wen, S P / White, D J / Wiedner, U / Wilkinson, G / Wolke, M / Wollenberg, L / Wu, J F / Wu, L H / Wu, L J / Wu, X / Wu, Z / Xia, L / Xiao, H / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xu, G F / Xu, J J / Xu, Q J / Xu, W / Xu, X P / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, Xu / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Zhi / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yuan, C Z / Yuan, W / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, Guangyi / Zhang, H H / Zhang, H Y / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yan / Zhang, Yao / Zhang, Yi / Zhang, Z H / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, Y B / Zhao, Y X / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

    Physical review letters

    2020  Volume 124, Issue 23, Page(s) 231801

    Abstract: By analyzing a data sample corresponding to an integrated luminosity of 2.93  fb^{-1} collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we measure for the first time the absolute branching fraction of the D^{+}→ημ^{+}ν_{μ} decay ...

    Abstract By analyzing a data sample corresponding to an integrated luminosity of 2.93  fb^{-1} collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we measure for the first time the absolute branching fraction of the D^{+}→ημ^{+}ν_{μ} decay to be B_{D^{+}→ημ^{+}ν_{μ}}=(10.4±1.0_{stat}±0.5_{syst})×10^{-4}. Using the world averaged value of B_{D^{+}→ηe^{+}ν_{e}}, the ratio of the two branching fractions is determined to be B_{D^{+}→ημ^{+}ν_{μ}}/B_{D^{+}→ηe^{+}ν_{e}}=0.91±0.13_{(stat+syst)}, which agrees with the theoretical expectation of lepton flavor universality within uncertainty. By studying the differential decay rates in five four-momentum transfer intervals, we obtain the product of the hadronic form factor f_{+}^{η}(0) and the c→d Cabibbo-Kobayashi-Maskawa matrix element |V_{cd}| to be f_{+}^{η}(0)|V_{cd}|=0.087±0.008_{stat}±0.002_{syst}. Taking the input of |V_{cd}| from the global fit in the standard model, we determine f_{+}^{η}(0)=0.39±0.04_{stat}±0.01_{syst}. On the other hand, using the value of f_{+}^{η}(0) calculated in theory, we find |V_{cd}|=0.242±0.022_{stat}±0.006_{syst}±0.033_{theory}.
    Language English
    Publishing date 2020-06-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.124.231801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Observation of the Doubly Cabibbo-Suppressed Decay D^{+}→K^{+}π^{+}π^{-}π^{0} and Evidence for D^{+}→K^{+}ω.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Amoroso, A / An, Q / Anita / Bai, X H / Bai, Y / Bakina, O / Ferroli, R Baldini / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D /
    Bianchi, F / Biernat, J / Bloms, J / Bortone, A / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, X R / Chen, Y B / Chen, Z J / Cheng, W S / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / de Boer, R B / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Du, S X / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, X L / Gao, Y / Gao, Y G / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Han, T T / Han, T Z / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Holtmann, T / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, L Q / Huang, X T / Huang, Y P / Huang, Z / Huesken, N / Hussain, T / Andersson, W Ikegami / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H B / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M G / Kühn, W / Lane, J J / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H B / Li, H J / Li, J L / Li, J Q / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, L Z / Libby, J / Lin, C X / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, Q / Liu, S B / Liu, Shuai / Liu, T / Liu, X / Liu, Y B / Liu, Z A / Liu, Z Q / Long, Y F / Lou, X C / Lu, F X / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Muchnoi, N Yu / Muramatsu, H / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, X / Pan, Y / Pathak, A / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qian, W-B / Qian, Z / Qiao, C F / Qin, L Q / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Schelhaas, Y / Schnier, C / Schoenning, K / Shan, D C / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, W M / Song, Y X / Sosio, S / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, X / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Thoren, V / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, W H / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y D / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / Weidenkaff, P / Weidner, F / Wen, S P / White, D J / Wiedner, U / Wilkinson, G / Wolke, M / Wollenberg, L / Wu, J F / Wu, L H / Wu, L J / Wu, X / Wu, Z / Xia, L / Xiao, H / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xu, G F / Xu, J J / Xu, Q J / Xu, W / Xu, X P / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, Xu / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Zhi / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yuan, C Z / Yuan, W / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, Guangyi / Zhang, H H / Zhang, H Y / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yan / Zhang, Yao / Zhang, Yi / Zhang, Z H / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, Y B / Zhao, Y X / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

    Physical review letters

    2020  Volume 125, Issue 14, Page(s) 141802

    Abstract: Using 2.93  fb^{-1} of e^{+}e^{-} collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, the first observation of the doubly Cabibbo-suppressed decay D^{+}→K^{+}π^{+}π^{-}π^{0} is reported. After removing decays that ... ...

    Abstract Using 2.93  fb^{-1} of e^{+}e^{-} collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, the first observation of the doubly Cabibbo-suppressed decay D^{+}→K^{+}π^{+}π^{-}π^{0} is reported. After removing decays that contain narrow intermediate resonances, including D^{+}→K^{+}η, D^{+}→K^{+}ω, and D^{+}→K^{+}ϕ, the branching fraction of the decay D^{+}→K^{+}π^{+}π^{-}π^{0} is measured to be (1.13±0.08_{stat}±0.03_{syst})×10^{-3}. The ratio of branching fractions of D^{+}→K^{+}π^{+}π^{-}π^{0} over D^{+}→K^{-}π^{+}π^{+}π^{0} is found to be (1.81±0.15)%, which corresponds to (6.28±0.52)tan^{4}θ_{C}, where θ_{C} is the Cabibbo mixing angle. This ratio is significantly larger than the corresponding ratios for other doubly Cabibbo-suppressed decays. The asymmetry of the branching fractions of charge-conjugated decays D^{±}→K^{±}π^{±}π^{∓}π^{0} is also determined, and no evidence for CP violation is found. In addition, the first evidence for the D^{+}→K^{+}ω decay, with a statistical significance of 3.3σ, is presented and the branching fraction is measured to be B(D^{+}→K^{+}ω)=(5.7_{-2.1}^{+2.5}_{stat}±0.2_{syst})×10^{-5}.
    Language English
    Publishing date 2020-10-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.125.141802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Measurement of Proton Electromagnetic Form Factors in e^{+}e^{-}→pp[over ¯] in the Energy Region 2.00-3.08 GeV.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Alekseev, M / Amoroso, A / An, F F / An, Q / Anita / Bai, Y / Bakina, O / Baldini Ferroli, R / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M /
    Bettoni, D / Bianchi, F / Biernat, J / Bloms, J / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chai, J / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, J / Chen, M L / Chen, S J / Chen, X R / Chen, Y B / Cheng, W / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Du, S X / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, Q / Gao, Y / Gao, Y G / Garillon, B / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Han, T Z / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, J S / Huang, L Q / Huang, X T / Huesken, N / Hussain, T / Ikegami Andersson, W / Imoehl, W / Irshad, M / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H L / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, D P / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M / Kurth, M G / Kühn, W / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H B / Li, H J / Li, J C / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, W D / Li, W G / Li, X H / Li, X L / Li, X N / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, L Z / Libby, J / Lin, C X / Lin, D X / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, L Y / Liu, Q / Liu, S B / Liu, T / Liu, X / Liu, X Y / Liu, Y B / Liu, Z A / Liu, Zhiqing / Long, Y F / Lou, X C / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, J / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Morales Morales, C / Muchnoi, N Yu / Muramatsu, H / Mustafa, A / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Niu, S L / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, Y / Papenbrock, M / Pathak, A / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H / Qi, M / Qian, S / Qiao, C F / Qin, L Q / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Richter, M / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Savrié, M / Schelhaas, Y / Schoenning, K / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Sheng, H Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, X Y / Sosio, S / Sowa, C / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, X H / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z J / Sun, Z T / Tan, Y T / Tang, C J / Tang, G Y / Tang, X / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, H P / Wang, K / Wang, L L / Wang, L S / Wang, M / Wang, M Z / Wang, Meng / Wang, P L / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y D / Wang, Y / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z G / Wang, Z Y / Wang, Zongyuan / Weber, T / Wei, D H / Weidenkaff, P / Weidner, F / Wen, H W / Wen, S P / Wiedner, U / Wilkinson, G / Wolke, M / Wu, J F / Wu, L H / Wu, L J / Wu, Z / Xia, L / Xia, Y / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xiu, Q L / Xu, G F / Xu, J J / Xu, L / Xu, Q J / Xu, W / Xu, X P / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, Y H / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Z Q / Yang, Zhi / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yuan, C Z / Yuan, X Q / Yuan, Y / Yue, C X / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, B Y / Zhang, C C / Zhang, D H / Zhang, H H / Zhang, H Y / Zhang, J / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, K / Zhang, L / Zhang, Lei / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yang / Zhang, Yao / Zhang, Yi / Zhang, Yu / Zhang, Z H / Zhang, Z P / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J W / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, T C / Zhao, Y B / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhong, C / Zhou, L / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhou, Xiaoyu / Zhou, Xu / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Y S / Zhu, Z A / Zhuang, J / Zou, B S / Zou, J H

    Physical review letters

    2020  Volume 124, Issue 4, Page(s) 42001

    Abstract: The process of e^{+}e^{-}→pp[over ¯] is studied at 22 center-of-mass energy points (sqrt[s]) from 2.00 to 3.08 GeV, exploiting 688.5  pb^{-1} of data collected with the BESIII detector operating at the BEPCII collider. The Born cross section (σ_{pp[over ¯ ...

    Abstract The process of e^{+}e^{-}→pp[over ¯] is studied at 22 center-of-mass energy points (sqrt[s]) from 2.00 to 3.08 GeV, exploiting 688.5  pb^{-1} of data collected with the BESIII detector operating at the BEPCII collider. The Born cross section (σ_{pp[over ¯]}) of e^{+}e^{-}→pp[over ¯] is measured with the energy-scan technique and it is found to be consistent with previously published data, but with much improved accuracy. In addition, the electromagnetic form-factor ratio (|G_{E}/G_{M}|) and the value of the effective (|G_{eff}|), electric (|G_{E}|), and magnetic (|G_{M}|) form factors are measured by studying the helicity angle of the proton at 16 center-of-mass energy points. |G_{E}/G_{M}| and |G_{M}| are determined with high accuracy, providing uncertainties comparable to data in the spacelike region, and |G_{E}| is measured for the first time. We reach unprecedented accuracy, and precision results in the timelike region provide information to improve our understanding of the proton inner structure and to test theoretical models which depend on nonperturbative quantum chromodynamics.
    Language English
    Publishing date 2020-01-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.124.042001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Measurement of the Cross Section for e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+} and Observation of an Excited Ξ Baryon.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Alekseev, M / Amoroso, A / An, F F / An, Q / Bai, Y / Bakina, O / Ferroli, R Baldini / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D /
    Bianchi, F / Biernat, J / Bloms, J / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chai, J / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, J C / Chen, M L / Chen, S J / Chen, Y B / Cheng, W / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Dou, Z L / Du, S X / Fan, J Z / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, Q / Gao, X L / Gao, Y / Gao, Y G / Gao, Z / Garillon, B / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, J S / Huang, X T / Huang, X Z / Huesken, N / Hussain, T / Andersson, W Ikegami / Imoehl, W / Irshad, M / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H L / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, D P / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M / Kurth, M G / Kühn, W / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lenz, T / Li, C / Li, Cheng / Li, D M / Li, F / Li, F Y / Li, G / Li, H B / Li, H J / Li, J C / Li, J W / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, Q Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, X N / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, G R / Liao, L Z / Libby, J / Lin, C X / Lin, D X / Lin, Y J / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L Y / Liu, Q / Liu, S B / Liu, T / Liu, X / Liu, X Y / Liu, Y B / Liu, Z A / Liu, Zhiqing / Long, Y F / Lou, X C / Lu, H J / Lu, J D / Lu, J G / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, J / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Morales, C Morales / Muchnoi, N Yu / Muramatsu, H / Mustafa, A / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Niu, S L / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, Y / Papenbrock, M / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qiao, C F / Qin, N / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Richter, M / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Savrié, M / Schelhaas, Y / Schoenning, K / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Sheng, H Y / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, X Y / Sosio, S / Sowa, C / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, X H / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z J / Sun, Z T / Tan, Y T / Tang, C J / Tang, G Y / Tang, X / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, K / Wang, L L / Wang, L S / Wang, M / Wang, M Z / Wang, Meng / Wang, P L / Wang, R M / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z G / Wang, Z Y / Wang, Zongyuan / Weber, T / Wei, D H / Weidenkaff, P / Weidner, F / Wen, H W / Wen, S P / Wiedner, U / Wilkinson, G / Wolke, M / Wu, L H / Wu, L J / Wu, Z / Xia, L / Xia, Y / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xiu, Q L / Xu, G F / Xu, J J / Xu, L / Xu, Q J / Xu, W / Xu, X P / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, Y H / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Z Q / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, J S / Yu, T / Yuan, C Z / Yuan, X Q / Yuan, Y / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, B Y / Zhang, C C / Zhang, D H / Zhang, H H / Zhang, H Y / Zhang, J / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, K / Zhang, L / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yang / Zhang, Yao / Zhang, Yi / Zhang, Yu / Zhang, Z H / Zhang, Z P / Zhang, Z Y / Zhao, G / Zhao, J W / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, T C / Zhao, Y B / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhou, L / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhou, Xiaoyu / Zhou, Xu / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Y S / Zhu, Z A / Zhuang, J / Zou, B S / Zou, J H

    Physical review letters

    2020  Volume 124, Issue 3, Page(s) 32002

    Abstract: Using a total of 11.0  fb^{-1} of e^{+}e^{-} collision data with center-of-mass energies between 4.009 and 4.6 GeV and collected with the BESIII detector at BEPCII, we measure fifteen exclusive cross sections and effective form factors for the process e^{ ...

    Abstract Using a total of 11.0  fb^{-1} of e^{+}e^{-} collision data with center-of-mass energies between 4.009 and 4.6 GeV and collected with the BESIII detector at BEPCII, we measure fifteen exclusive cross sections and effective form factors for the process e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+} by means of a single baryon-tag method. After performing a fit to the dressed cross section of e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+}, no significant ψ(4230) or ψ(4260) resonance is observed in the Ξ^{-}Ξ[over ¯]^{+} final states, and upper limits at the 90% confidence level on Γ_{ee}B for the processes ψ(4230)/ψ(4260)→Ξ^{-}Ξ[over ¯]^{+} are determined. In addition, an excited Ξ baryon at 1820  MeV/c^{2} is observed with a statistical significance of 6.2-6.5σ by including the systematic uncertainty, and the mass and width are measured to be M=(1825.5±4.7±4.7)  MeV/c^{2} and Γ=(17.0±15.0±7.9)  MeV, which confirms the existence of the J^{P}=3/2^{-} state Ξ(1820).
    Language English
    Publishing date 2020-02-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.124.032002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Measurements of Absolute Branching Fractions of Fourteen Exclusive Hadronic D Decays to η.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Amoroso, A / An, Q / Anita / Bai, X H / Bai, Y / Bakina, O / Baldini Ferroli, R / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D /
    Bianchi, F / Biernat, J / Bloms, J / Bortone, A / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, X R / Chen, Y B / Cheng, W S / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / de Boer, R B / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Du, S X / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, X L / Gao, Y / Gao, Y G / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Han, T T / Han, T Z / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Holtmann, T / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, L Q / Huang, X T / Huang, Y P / Huang, Z / Huesken, N / Hussain, T / Ikegami Andersson, W / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H B / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M G / Kühn, W / Lane, J J / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H B / Li, H J / Li, J L / Li, J Q / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, L Z / Libby, J / Lin, C X / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, Q / Liu, S B / Liu, Shuai / Liu, T / Liu, X / Liu, Y B / Liu, Z A / Liu, Z Q / Long, Y F / Lou, X C / Lu, F X / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Muchnoi, N Yu / Muramatsu, H / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, X / Pan, Y / Pathak, A / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qian, W-B / Qian, Z / Qiao, C F / Qin, L Q / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Schelhaas, Y / Schnier, C / Schoenning, K / Shan, D C / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, W M / Song, Y X / Sosio, S / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, W H / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y D / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / Weidenkaff, P / Weidner, F / Wen, S P / White, D J / Wiedner, U / Wilkinson, G / Wolke, M / Wollenberg, L / Wu, J F / Wu, L H / Wu, L J / Wu, X / Wu, Z / Xia, L / Xiao, H / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xu, G F / Xu, J J / Xu, Q J / Xu, W / Xu, X P / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, Xu / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Zhi / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yuan, C Z / Yuan, W / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, Guangyi / Zhang, H H / Zhang, H Y / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yan / Zhang, Yao / Zhang, Yi / Zhang, Z H / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, Y B / Zhao, Y X / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

    Physical review letters

    2020  Volume 124, Issue 24, Page(s) 241803

    Abstract: Using 2.93  fb^{-1} of e^{+}e^{-} collision data taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first measurements of the absolute branching fractions of 14 hadronic D^{0(+)} decays to exclusive final states with an ...

    Abstract Using 2.93  fb^{-1} of e^{+}e^{-} collision data taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first measurements of the absolute branching fractions of 14 hadronic D^{0(+)} decays to exclusive final states with an η, e.g., D^{0}→K^{-}π^{+}η, K_{S}^{0}π^{0}η, K^{+}K^{-}η, K_{S}^{0}K_{S}^{0}η, K^{-}π^{+}π^{0}η, K_{S}^{0}π^{+}π^{-}η, K_{S}^{0}π^{0}π^{0}η, and π^{+}π^{-}π^{0}η; D^{+}→K_{S}^{0}π^{+}η, K_{S}^{0}K^{+}η, K^{-}π^{+}π^{+}η, K_{S}^{0}π^{+}π^{0}η, π^{+}π^{+}π^{-}η, and π^{+}π^{0}π^{0}η. Among these decays, the D^{0}→K^{-}π^{+}η and D^{+}→K_{S}^{0}π^{+}η decays have the largest branching fractions, which are B(D^{0}→K^{-}π^{+}η)=(1.853±0.025_{stat}±0.031_{syst})% and B(D^{+}→K_{S}^{0}π^{+}η)=(1.309±0.037_{stat}±0.031_{syst})%, respectively. The charge-parity asymmetries for the six decays with highest event yields are determined, and no statistically significant charge-parity violation is found.
    Language English
    Publishing date 2020-07-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.124.241803
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Determination of Strong-Phase Parameters in D→K_{S,L}^{0}π^{+}π^{-}.

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Alekseev, M / Ambrose, D / Amoroso, A / An, F F / An, Q / Anita / Bai, Y / Bakina, O / Baldini Ferroli, R / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N /
    Bertani, M / Bettoni, D / Bianchi, F / Biernat, J / Bloms, J / Boyko, I / Briere, R A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chai, J / Chang, J F / Chang, W L / Chelkov, G / Chen, D Y / Chen, G / Chen, H S / Chen, J / Chen, J C / Chen, M L / Chen, S J / Chen, Y B / Cheng, W / Cibinetto, G / Cossio, F / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, Y / Dong, C / Dong, J / Dong, L Y / Dong, M Y / Dou, Z L / Du, S X / Fan, J Z / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Fritsch, M / Fu, C D / Fu, Y / Gao, Q / Gao, X L / Gao, Y / Gao, Y G / Gao, Z / Garillon, B / Garzia, I / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, S / Gu, Y T / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, S / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Held, T / Heng, Y K / Himmelreich, M / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, J S / Huang, X T / Huang, X Z / Huesken, N / Hussain, T / Ikegami Andersson, W / Imoehl, W / Irshad, M / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Jiang, H L / Jiang, X S / Jiang, X Y / Jiao, J B / Jiao, Z / Jin, D P / Jin, S / Jin, Y / Johansson, T / Kalantar-Nayestanaki, N / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Keshk, I K / Khoukaz, A / Kiese, P / Kiuchi, R / Kliemt, R / Koch, L / Kolcu, O B / Kopf, B / Kuemmel, M / Kuessner, M / Kupsc, A / Kurth, M / Kurth, M G / Kühn, W / Lange, J S / Larin, P / Lavezzi, L / Leithoff, H / Lenz, T / Li, C / Li, Cheng / Li, D M / Li, F / Li, F Y / Li, G / Li, H B / Li, H J / Li, J C / Li, J W / Li, Ke / Li, L K / Li, Lei / Li, P L / Li, P R / Li, Q Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, X N / Li, Z B / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, G R / Liao, L Z / Libby, J / Lin, C X / Lin, D X / Lin, Y J / Liu, B / Liu, B J / Liu, C X / Liu, D / Liu, D Y / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L Y / Liu, Q / Liu, S B / Liu, T / Liu, X / Liu, X Y / Liu, Y B / Liu, Z A / Liu, Zhiqing / Long, Y F / Lou, X C / Lu, H J / Lu, J D / Lu, J G / Lu, Y / Lu, Y P / Luo, C L / Luo, M X / Luo, P W / Luo, T / Luo, X L / Lusso, S / Lyu, X R / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, X N / Ma, X X / Ma, X Y / Ma, Y M / Maas, F E / Maggiora, M / Maldaner, S / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Min, J / Min, T J / Mitchell, R E / Mo, X H / Mo, Y J / Morales Morales, C / Muchnoi, N Yu / Muramatsu, H / Mustafa, A / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Niu, S L / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, Y / Papenbrock, M / Patteri, P / Pelizaeus, M / Peng, H P / Peters, K / Pettersson, J / Ping, J L / Ping, R G / Pitka, A / Poling, R / Prasad, V / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qiao, C F / Qin, N / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Rashid, K H / Ravindran, K / Redmer, C F / Richter, M / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sarantsev, A / Savrié, M / Schelhaas, Y / Schoenning, K / Shan, W / Shan, X Y / Shao, M / Shen, C P / Shen, P X / Shen, X Y / Sheng, H Y / Shi, X / Shi, X D / Song, J J / Song, Q Q / Song, X Y / Sosio, S / Sowa, C / Spataro, S / Sui, F F / Sun, G X / Sun, J F / Sun, L / Sun, S S / Sun, X H / Sun, Y J / Sun, Y K / Sun, Y Z / Sun, Z J / Sun, Z T / Tan, Y T / Tang, C J / Tang, G Y / Tang, X / Thoren, V / Tsednee, B / Uman, I / Wang, B / Wang, B L / Wang, C W / Wang, D Y / Wang, K / Wang, L L / Wang, L S / Wang, M / Wang, M Z / Wang, Meng / Wang, P L / Wang, R M / Wang, W P / Wang, X / Wang, X F / Wang, X L / Wang, Y / Wang, Y F / Wang, Y Q / Wang, Z / Wang, Z G / Wang, Z Y / Wang, Zongyuan / Weber, T / Wei, D H / Weidenkaff, P / Wen, H W / Wen, S P / Wiedner, U / Wilkinson, G / Wolke, M / Wu, L H / Wu, L J / Wu, Z / Xia, L / Xia, Y / Xiao, S Y / Xiao, Y J / Xiao, Z J / Xie, Y G / Xie, Y H / Xing, T Y / Xiong, X A / Xiu, Q L / Xu, G F / Xu, J J / Xu, L / Xu, Q J / Xu, W / Xu, X P / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, Y H / Yang, H J / Yang, H X / Yang, L / Yang, R X / Yang, S L / Yang, Y H / Yang, Y X / Yang, Yifan / Yang, Z Q / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, J S / Yu, T / Yuan, C Z / Yuan, X Q / Yuan, Y / Yuncu, A / Zafar, A A / Zeng, Y / Zhang, B X / Zhang, B Y / Zhang, C C / Zhang, D H / Zhang, H H / Zhang, H Y / Zhang, J / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, K / Zhang, L / Zhang, S F / Zhang, T J / Zhang, X Y / Zhang, Y / Zhang, Y H / Zhang, Y T / Zhang, Yang / Zhang, Yao / Zhang, Yi / Zhang, Yu / Zhang, Z H / Zhang, Z P / Zhang, Z Y / Zhao, G / Zhao, J W / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, Q / Zhao, S J / Zhao, T C / Zhao, Y B / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, Y / Zheng, Y H / Zhong, B / Zhou, L / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhou, Xiaoyu / Zhou, Xu / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, W J / Zhu, X L / Zhu, Y C / Zhu, Y S / Zhu, Z A / Zhuang, J / Zou, B S / Zou, J H

    Physical review letters

    2020  Volume 124, Issue 24, Page(s) 241802

    Abstract: We report the most precise measurements to date of the strong-phase parameters between D^{0} and D[over ¯]^{0} decays to K_{S,L}^{0}π^{+}π^{-} using a sample of 2.93  fb^{-1} of e^{+}e^{-} annihilation data collected at a center-of-mass energy of 3.773 ... ...

    Abstract We report the most precise measurements to date of the strong-phase parameters between D^{0} and D[over ¯]^{0} decays to K_{S,L}^{0}π^{+}π^{-} using a sample of 2.93  fb^{-1} of e^{+}e^{-} annihilation data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider. Our results provide the key inputs for a binned model-independent determination of the Cabibbo-Kobayashi-Maskawa angle γ/ϕ_{3} with B decays. Using our results, the decay model sensitivity to the γ/ϕ_{3} measurement is expected to be between 0.7° and 1.2°, approximately a factor of three smaller than that achievable with previous measurements, based on the studies of the simulated data. The improved precision of this work ensures that measurements of γ/ϕ_{3} will not be limited by knowledge of strong phases for the next decade. Furthermore, our results provide critical input for other flavor-physics investigations, including charm mixing, other measurements of CP violation, and the measurement of strong-phase parameters for other D-decay modes.
    Language English
    Publishing date 2020-07-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.124.241802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Study of Open-Charm Decays and Radiative Transitions of the X(3872).

    Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Amoroso, A / An, Q / Anita / Bai, Y / Bakina, O / Ferroli, R Baldini / Balossino, I / Ban, Y / Begzsuren, K / Bennett, J V / Berger, N / Bertani, M / Bettoni, D / Bianchi, F /
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    Physical review letters

    2020  Volume 124, Issue 24, Page(s) 242001

    Abstract: The processes X(3872)→D^{*0}D[over ¯]^{0}+c.c.,γJ/ψ,γψ(2S), and γD^{+}D^{-} are searched for in a 9.0  fb^{-1} data sample collected at center-of-mass energies between 4.178 and 4.278 GeV with the BESIII detector. We observe X(3872)→D^{*0}D^{0}[over ¯]+c. ...

    Abstract The processes X(3872)→D^{*0}D[over ¯]^{0}+c.c.,γJ/ψ,γψ(2S), and γD^{+}D^{-} are searched for in a 9.0  fb^{-1} data sample collected at center-of-mass energies between 4.178 and 4.278 GeV with the BESIII detector. We observe X(3872)→D^{*0}D^{0}[over ¯]+c.c. and find evidence for X(3872)→γJ/ψ with statistical significances of 7.4σ and 3.5σ, respectively. No evident signals for X(3872)→γψ(2S) and γD^{+}D^{-} are found, and the upper limit on the relative branching ratio R_{γψ}≡{B[X(3872)→γψ(2S)]}/{B[X(3872)→γJ/ψ]}<0.59 is set at 90% confidence level. Measurements of branching ratios relative to decay X(3872)→π^{+}π^{-}J/ψ are also reported for decays X(3872)→D^{*0}D^{0}[over ¯]+c.c.,γψ(2S),γJ/ψ, and γD^{+}D^{-}, as well as the non-D^{*0}D^{0}[over ¯] three-body decays π^{0}D^{0}D^{0}[over ¯] and γD^{0}D^{0}[over ¯].
    Language English
    Publishing date 2020-07-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.124.242001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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