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Article ; Online: Measurement of the Cross Section for e^{+}e^{-}→Hadrons at Energies from 2.2324 to 3.6710 GeV.

Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Aliberti, R / Amoroso, A / An, M R / An, Q / Bai, X H / Bai, Y / Bakina, O / Ferroli, R Baldini / Balossino, I / Ban, Y / Begzsuren, K / Berger, N / Bertani, M / Bettoni, D /

Bianchi, F / 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, X C / Dbeyssi, A / de Boer, R E / 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 / Dong, X / Du, S X / Fan, Y L / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Feng, J H / Fritsch, M / Fu, C D / Gao, Y / Gao, Y G / Garzia, I / Ge, P T / Geng, C / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, T T / Han, W Y / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Heinz, C H / Heng, Y K / Herold, C / Himmelreich, M / Holtmann, T / Hou, G Y / 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 / Hussain, T / Hüsken, N / Andersson, W Ikegami / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Ji, Y Y / Jiang, H B / Jiang, X S / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Jing, M Q / 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 / Lavania, A / Lavezzi, L / Lei, Z H / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H / Li, H B / Li, H J / Li, H N / Li, J L / Li, J Q / Li, J S / Li, Ke / Li, L K / Li, Lei / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Xiaoyu / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, G R / Liao, L Z / Libby, J / Lin, C X / Lin, T / Liu, B J / Liu, C X / Liu, D / Liu, F H / Liu, Fang / Liu, Feng / Liu, G M / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J L / Liu, J Y / Liu, K / Liu, K Y / Liu, L / Liu, M H / Liu, P L / Liu, Q / Liu, S B / Liu, T / Liu, W M / Liu, X / Liu, Y / Liu, Y B / Liu, Z A / Liu, Z Q / 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 / 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 X / Ma, X Y / 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 / Muchnoi, N Yu / Muramatsu, H / Nakhoul, S / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / 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 / Pogodin, S / 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, J J / 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 / Sang, H S / Sarantsev, A / Schelhaas, Y / Schnier, C / Schoenning, K / Scodeggio, M / Shan, W / Shan, X Y / Shangguan, J F / Shao, M / Shen, C P / Shen, H F / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, W M / Song, Y X / Sosio, S / Spataro, S / Su, K X / Su, P P / Sui, F F / Sun, G X / Sun, H K / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, X / Sun, Y J / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Teng, J X / Thoren, V / Tian, W H / Tian, Y T / Uman, I / Wang, B / Wang, C W / Wang, D Y / Wang, H J / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, S / Wang, W / 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, Y Y / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / 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, X H / Wu, Z / Xia, L / Xiao, H / Xiao, S Y / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xu, G F / Xu, Q J / Xu, W / Xu, X P / Xu, Y C / Yan, F / Yan, L / Yan, W B / Yan, W C / Yang, H J / Yang, H X / Yang, L / Yang, S L / 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, L / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Zafar, A A / Zeng, X Zeng / Zeng, Y / Zhang, A Q / Zhang, B X / Zhang, Guangyi / Zhang, H / Zhang, H H / Zhang, H Y / Zhang, J J / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L M / Zhang, L Q / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, Shulei / Zhang, X D / Zhang, X Y / Zhang, Y / Zhang, Y T / Zhang, Y H / Zhang, Yan / Zhang, Yao / 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 H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhou, X Y / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, T J / Zhu, W J / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

Physical review letters

2022 Volume 128, Issue 6, Page(s) 62004

Abstract: Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of R≡σ(e^{+}e^{-}→hadrons)/σ(e^{+}e^{-}→μ^{+}μ^{-}) is measured at 14 center-of-mass energies ... ...

Abstract	Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of R≡σ(e^{+}e^{-}→hadrons)/σ(e^{+}e^{-}→μ^{+}μ^{-}) is measured at 14 center-of-mass energies from 2.2324 to 3.6710 GeV. The resulting uncertainties are less than 3.0% and are dominated by systematic uncertainties.
Language	English
Publishing date	2022-02-25
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.128.062004
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Observation of an Isoscalar Resonance with Exotic J^{PC}=1^{-+} Quantum Numbers in J/ψ→γηη^{'}.

Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Aliberti, R / Amoroso, A / An, M R / An, Q / Bai, X H / Bai, Y / Bakina, O / Ferroli, R Baldini / Balossino, I / Ban, Y / Batozskaya, V / Becker, D / Begzsuren, K / Berger, N /

Bertani, M / Bettoni, D / Bianchi, F / 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, C / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, T / Chen, X R / Chen, X T / Chen, Y B / Chen, Z J / Cheng, W S / Cibinetto, G / Cossio, F / Cui, J J / Cui, X F / Dai, H L / Dai, J P / Dai, X C / Dbeyssi, A / de Boer, R E / 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 / Dong, X / Du, S X / Egorov, P / Fan, Y L / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Feng, J H / Fritsch, M / Fu, C D / Gao, Y / Garzia, I / Ge, P T / Geng, C / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, M H / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, T T / Han, W Y / Hao, X Q / Harris, F A / He, K K / He, K L / Heinsius, F H / Heinz, C H / Heng, Y K / Herold, C / Himmelreich, M / Holtmann, T / Hou, G Y / 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 / Hussain, T / Hüsken, N / Andersson, W Ikegami / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Ji, Y Y / Jiang, H B / Jiang, S S / Jiang, X S / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Jing, M Q / 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 / Lavania, A / Lavezzi, L / Lei, Z H / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H / Li, H B / Li, H J / Li, H N / Li, J L / Li, J Q / Li, J S / Li, Ke / Li, L J / Li, L K / Li, Lei / Li, M H / Li, P R / Li, S Y / Li, T / Li, W D / Li, W G / Li, X H / Li, X L / Li, Xiaoyu / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, G R / Liao, L Z / Libby, J / Limphirat, A / Lin, C X / Lin, D X / Lin, T / Liu, B J / Liu, C X / Liu, D / Liu, F H / Liu, Fang / Liu, Feng / Liu, G M / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J L / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, M H / Liu, P L / Liu, Q / Liu, S B / Liu, T / Liu, W M / Liu, X / Liu, Y / Liu, Y B / Liu, Z A / Liu, Z Q / Lou, X C / Lu, F X / Lu, H J / Lu, J D / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Lu, Z H / Luo, C L / Luo, M X / Luo, T / Luo, X L / Lyu, X R / Lyu, Y F / Ma, F C / Ma, H L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X X / Ma, X Y / Ma, Y / 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 / Miao, H / Min, T J / Mitchell, R E / Mo, X H / 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 / Plura, S / Pogodin, S / 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, J J / 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 / Ren, K J / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Rump, M / Sang, H S / Sarantsev, A / Schelhaas, Y / Schnier, C / Schoenning, K / Scodeggio, M / Shan, W / Shan, X Y / Shangguan, J F / Shao, L G / Shao, M / Shen, C P / Shen, H F / Shen, X Y / Shi, B-A / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, W M / Song, Y X / Sosio, S / Spataro, S / Stieler, F / Su, K X / Su, P P / Su, Y-J / Sun, G X / Sun, H K / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, X / Sun, Y J / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Tao, Q T / Teng, J X / Thoren, V / Tian, W H / Tian, Y T / Uman, I / Wang, B / Wang, D Y / Wang, H J / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, S / Wang, T J / Wang, W / 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, Y Y / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / 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, X H / Wu, Z / Xia, L / Xiang, T / Xiao, H / Xiao, S Y / Xiao, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xu, C F / Xu, C J / Xu, G F / Xu, Q J / Xu, W / Xu, X P / Xu, Y C / Yan, F / Yan, L / Yan, W B / Yan, W C / Yang, H J / Yang, H X / Yang, L / Yang, S L / 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, L / Yuan, S C / Yuan, Y / Yuan, Z Y / Yue, C X / Zafar, A A / Zeng, X Zeng / Zeng, Y / Zhang, A Q / Zhang, B L / Zhang, B X / Zhang, G Y / Zhang, H / 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 M / Zhang, L Q / Zhang, Lei / Zhang, P / Zhang, Shulei / Zhang, X D / Zhang, X M / Zhang, X Y / Zhang, Y / Zhang, Y T / Zhang, Y H / Zhang, Yan / Zhang, Yao / 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 H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhou, X Y / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, T J / Zhu, W J / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

Physical review letters

2022 Volume 129, Issue 19, Page(s) 192002

Abstract: Using a sample of (10.09±0.04)×10^{9} J/ψ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay J/ψ→γηη^{'} is performed. The first observation of an isoscalar state with exotic quantum ... ...

Abstract	Using a sample of (10.09±0.04)×10^{9} J/ψ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay J/ψ→γηη^{'} is performed. The first observation of an isoscalar state with exotic quantum numbers J^{PC}=1^{-+}, denoted as η_{1}(1855), is reported in the process J/ψ→γη_{1}(1855) with η_{1}(1855)→ηη^{'}. Its mass and width are measured to be (1855±9_{-1}^{+6}) MeV/c^{2} and (188±18_{-8}^{+3}) MeV, respectively, where the first uncertainties are statistical and the second are systematic, and its statistical significance is estimated to be larger than 19σ.
Language	English
Publishing date	2022-11-17
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.129.192002
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: First Measurement of the Absolute Branching Fraction of Λ→pμ^{-}ν[over ¯]_{μ}.

Ablikim, M / Achasov, M N / Adlarson, P / Ahmed, S / Albrecht, M / Aliberti, R / Amoroso, A / An, M R / An, Q / Bai, X H / Bai, Y / Bakina, O / Baldini Ferroli, R / Balossino, I / Ban, Y / Begzsuren, K / Berger, N / Bertani, M / Bettoni, D /

Bianchi, F / 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 E / 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 / Dong, X / Du, S X / Fan, Y L / Fang, J / Fang, S S / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Feng, J H / Fritsch, M / Fu, C D / Gao, Y / Gao, Y G / Garzia, I / Ge, P T / Geng, C / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Greco, M / Gu, L M / Gu, M H / Gu, Y T / Guan, C Y / Guo, A Q / Guo, L B / Guo, R P / Guo, Y P / Guskov, A / Han, T T / Han, W Y / Hao, X Q / Harris, F A / He, K L / Heinsius, F H / Heinz, C H / Heng, Y K / Herold, C / Himmelreich, M / Holtmann, T / Hou, G Y / 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 / Hussain, T / Hüsken, N / Ikegami Andersson, W / Imoehl, W / Irshad, M / Jaeger, S / Janchiv, S / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Ji, Y Y / Jiang, H B / Jiang, X S / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Jing, M Q / 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 / Lavania, A / Lavezzi, L / Lei, Z H / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H / Li, H B / Li, H J / Li, J L / Li, J Q / Li, J S / Li, Ke / Li, L K / Li, Lei / Li, P R / Li, S Y / Li, W D / Li, W G / Li, X H / Li, X L / Li, Xiaoyu / Li, Z Y / Liang, H / Liang, Y F / Liang, Y T / Liao, G R / Liao, L Z / Libby, J / Limphirat, A / Lin, C X / Lin, T / Liu, B J / Liu, C X / Liu, D / Liu, F H / Liu, Fang / Liu, Feng / Liu, H B / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J L / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, M H / Liu, P L / Liu, Q / Liu, S B / Liu, Shuai / Liu, T / Liu, W M / Liu, X / Liu, Y / Liu, Y B / Liu, Z A / Liu, Z Q / 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 / 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 X / Ma, X Y / 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 / 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 / Pogodin, S / Poling, R / Prasad, V / Qi, H / Qi, H R / Qi, K H / 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 / Sang, H S / Sarantsev, A / Schelhaas, Y / Schnier, C / Schoenning, K / Scodeggio, M / Shan, D C / Shan, W / Shan, X Y / Shangguan, J F / Shao, M / Shen, C P / Shen, H F / Shen, P X / Shen, X Y / Shi, H C / Shi, R S / Shi, X / Shi, X D / Song, J J / Song, W M / Song, Y X / Sosio, S / Spataro, S / Su, K X / Su, P P / Sui, F F / Sun, G X / Sun, H K / Sun, J F / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, X / Sun, Y J / Sun, Y Z / Sun, Z T / Tan, Y H / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Teng, J X / Thoren, V / Tian, W H / Tian, Y T / Uman, I / Wang, B / Wang, C W / Wang, D Y / Wang, H J / Wang, H P / Wang, K / Wang, L L / Wang, M / Wang, M Z / Wang, Meng / Wang, S / Wang, W / 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, Y Y / Wang, Z / Wang, Z Y / Wang, Ziyi / Wang, Zongyuan / Wei, D H / 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, Z J / Xie, X H / Xie, Y G / Xie, Y H / Xing, T Y / Xu, C J / Xu, G F / Xu, Q J / Xu, W / Xu, X P / Xu, Y C / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, Xu / Yang, H J / Yang, H X / Yang, L / Yang, S L / 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, L / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Zafar, A A / Zeng, X Zeng / Zeng, Y / Zhang, A Q / Zhang, B X / Zhang, Guangyi / Zhang, H / 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 M / Zhang, L Q / Zhang, Lei / Zhang, S / Zhang, S F / Zhang, Shulei / Zhang, X D / Zhang, X Y / Zhang, Y / Zhang, Y T / Zhang, Y H / Zhang, Yan / Zhang, Yao / 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 H / Zhong, B / Zhong, C / Zhou, L P / Zhou, Q / Zhou, X / Zhou, X K / Zhou, X R / Zhou, X Y / Zhu, A N / Zhu, J / Zhu, K / Zhu, K J / Zhu, S H / Zhu, T J / Zhu, W J / Zhu, Y C / Zhu, Z A / Zou, B S / Zou, J H

Physical review letters

2021 Volume 127, Issue 12, Page(s) 121802

Abstract: The absolute branching fraction of Λ→pμ^{-}ν[over ¯]_{μ} is reported for the first time based on an e^{+}e^{-} annihilation sample of 10×10^{9} J/ψ events collected with the BESIII detector at sqrt[s]=3.097 GeV. The branching fraction is determined to ... ...

Abstract	The absolute branching fraction of Λ→pμ^{-}ν[over ¯]_{μ} is reported for the first time based on an e^{+}e^{-} annihilation sample of 10×10^{9} J/ψ events collected with the BESIII detector at sqrt[s]=3.097 GeV. The branching fraction is determined to be B(Λ→pμ^{-}ν[over ¯]_{μ})=[1.48±0.21(stat)±0.08(syst)]×10^{-4}, which is improved by about 30% in precision over the previous indirect measurements. Combining this result with the world average of B(Λ→pe^{-}ν[over ¯]_{e}), we obtain the ratio {[Γ(Λ→pμ^{-}ν[over ¯]_{μ})]/[Γ(Λ→pe^{-}ν[over ¯]_{e})]} to be 0.178±0.028, which agrees with the standard model prediction assuming lepton flavor universality. The asymmetry of the branching fractions of Λ→pμ^{-}ν[over ¯]_{μ} and Λ[over ¯]→p[over ¯]μ^{+}ν_{μ} is also determined, and no evidence for CP violation is found.
Language	English
Publishing date	2021-10-01
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.127.121802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Measurement of the branching fraction of the doubly Cabibbo-suppressed decay $D^0\to K^+\pi^-\pi^0$ and search for $D^0\to K^+\pi^-\pi^0\pi^0$

BESIII Collaboration / Ablikim, M. / Achasov, M. N. / Adlarson, P. / Albrecht, M. / Aliberti, R. / Amoroso, A. / An, M. R. / An, Q. / Bai, X. H. / Bai, Y. / Bakina, O. / Ferroli, R. Baldini / Balossino, I. / Ban, Y. / Batozskaya, V. / Becker, D. / Begzsuren, K. / Berger, N. /

Bertani, M. / Bettoni, D. / Bianchi, F. / Bloms, J. / Bortone, A. / Boyko, I. / Briere, R. A. / Brueggemann, A. / Cai, H. / Cai, X. / Calcaterra, A. / Cao, G. F. / Cao, N. / Cetin, S. A. / Chang, J. F. / Chang, W. L. / Chelkov, G. / Chen, C. / Chen, G. / Chen, H. S. / Chen, M. L. / Chen, S. J. / Chen, T. / Chen, X. R. / Chen, X. T. / Chen, Y. B. / Chen, Z. J. / Cheng, W. S. / Cibinetto, G. / Cossio, F. / Cui, J. J. / Dai, H. L. / Dai, J. P. / Dbeyssi, A. / de Boer, R. E. / Dedovich, D. / Deng, Z. Y. / Denig, A. / Denysenko, I. / Destefanis, M. / De Mori, F. / Ding, Y. / Dong, J. / Dong, L. Y. / Dong, M. Y. / Dong, X. / Du, S. X. / Egorov, P. / Fan, Y. L. / Fang, J. / Fang, S. S. / Fang, Y. / Farinelli, R. / Fava, L. / Feldbauer, F. / Felici, G. / Feng, C. Q. / Feng, J. H. / Fischer, K / Fritsch, M. / Fu, C. D. / Gao, H. / Gao, Y. N. / Gao, Yang / Garbolino, S. / Garzia, I. / Ge, P. T. / Ge, Z. W. / Geng, C. / Gersabeck, E. M. / Gilman, A / Goetzen, K. / Gong, L. / Gong, W. X. / Gradl, W. / Greco, M. / Gu, L. M. / Gu, M. H. / Guan, C. Y / Guo, A. Q. / Guo, L. B. / Guo, R. P. / Guo, Y. P. / Guskov, A. / Han, T. T. / Han, W. Y. / Hao, X. Q. / Harris, F. A. / He, K. K. / He, K. L. / Heinsius, F. H. / Heinz, C. H. / Heng, Y. K. / Herold, C. / Himmelreich, M. / Holtmann, T. / Hou, G. Y. / Hou, Y. R. / Hou, Z. L. / Hu, H. M. / Hu, J. F. / Hu, T. / Hu, Y. / Huang, G. S. / Huang, K. X. / Huang, L. Q. / Huang, X. T. / Huang, Y. P. / Huang, Z. / Hussain, T. / Hüsken, N / Imoehl, W. / Irshad, M. / Jackson, J. / Jaeger, S. / Janchiv, S. / Ji, Q. / Ji, Q. P. / Ji, X. B. / Ji, X. L. / Ji, Y. Y. / Jia, Z. K. / Jiang, H. B. / Jiang, S. S. / Jiang, X. S. / Jiang, Y. / Jiao, J. B. / Jiao, Z. / Jin, S. / Jin, Y. / Jing, M. Q. / 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. / Kühn, W. / Lane, J. J. / Lange, J. S. / Larin, P. / Lavania, A. / Lavezzi, L. / Lei, Z. H. / Leithoff, H. / Lellmann, M. / Lenz, T. / Li, C. / Li, C. H. / Li, Cheng / Li, D. M. / Li, F. / Li, G. / Li, H. / Li, H. B. / Li, H. J. / Li, H. N. / Li, J. Q. / Li, J. S. / Li, J. W. / Li, Ke / Li, L. J / Li, L. K. / Li, Lei / Li, M. H. / Li, P. R. / Li, S. X. / Li, S. Y. / Li, T. / Li, W. D. / Li, W. G. / Li, X. H. / Li, X. L. / Li, Xiaoyu / Liang, H. / Liang, Y. F. / Liang, Y. T. / Liao, G. R. / Liao, L. Z. / Libby, J. / Limphirat, A. / Lin, C. X. / Lin, D. X. / Lin, T. / Liu, B. J. / Liu, C. X. / Liu, D. / Liu, F. H. / Liu, Fang / Liu, Feng / Liu, G. M. / Liu, H. M. / Liu, Huanhuan / Liu, Huihui / Liu, J. B. / Liu, J. L. / Liu, J. Y. / Liu, K. / Liu, K. Y. / Liu, Ke / Liu, L. / Liu, M. H. / Liu, P. L. / Liu, Q. / Liu, S. B. / Liu, T. / Liu, W. K. / Liu, W. M. / Liu, X. / Liu, Y. / Liu, Y. B. / Liu, Z. A. / Liu, Z. Q. / Lou, X. C. / Lu, F. X. / Lu, H. J. / Lu, J. G. / Lu, X. L. / Lu, Y. / Lu, Y. P. / Lu, Z. H. / Luo, C. L. / Luo, M. X. / Luo, T. / Luo, X. L. / Lyu, X. R. / Lyu, Y. F. / Ma, F. C. / Ma, H. L. / Ma, L. L. / Ma, M. M. / Ma, Q. M. / Ma, R. Q. / Ma, R. T. / Ma, X. Y. / Ma, Y. / 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. / Miao, H. / Min, T. J. / Mitchell, R. E. / Mo, X. H. / Muchnoi, N. Yu. / Muramatsu, H. / Nakhoul, S. / Nefedov, Y. / Nerling, F. / Nikolaev, I. B. / Ning, Z. / Nisar, S. / Niu, Y. / Olsen, S. L. / Ouyang, Q. / Pacetti, S. / Pan, X. / Pan, Y. / Pathak, A. / Pelizaeus, M. / Peng, H. P. / Peters, K. / Pettersson, J. / Ping, J. L. / Ping, R. G. / Plura, S. / Pogodin, S. / 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, J. J. / 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. / Ren, K. J. / Rivetti, A. / Rodin, V. / Rolo, M. / Rong, G. / Rosner, Ch. / Rump, M. / Sang, H. S. / Sarantsev, A. / Schelhaas, Y. / Schnier, C. / Schoenning, K. / Scodeggio, M. / Shan, K. Y. / Shan, W. / Shan, X. Y. / Shangguan, J. F. / Shao, L. G. / Shao, M. / Shen, C. P. / Shen, H. F. / Shen, X. Y. / Shi, B. -A. / Shi, H. C. / Shi, R. S. / Shi, X. / Shi, X. D / Song, J. J. / Song, W. M. / Song, Y. X. / Sosio, S. / Spataro, S. / Stieler, F. / Su, K. X. / Su, P. P. / Su, Y. -J. / Sun, G. X. / Sun, H. / Sun, H. K. / Sun, J. F. / Sun, L. / Sun, S. S. / Sun, T. / Sun, W. Y. / Sun, X / Sun, Y. J. / Sun, Y. Z. / Sun, Z. T. / Tan, Y. H. / Tan, Y. X. / Tang, C. J. / Tang, G. Y. / Tang, J. / Tao, L. Y / Tao, Q. T. / Teng, J. X. / Thoren, V. / Tian, W. H. / Tian, Y. / Uman, I. / Wang, B. / Wang, B. L. / Wang, C. W. / Wang, D. Y. / Wang, F. / Wang, H. J. / Wang, H. P. / Wang, K. / Wang, L. L. / Wang, M. / Wang, M. Z. / Wang, Meng / Wang, S. / Wang, T. / Wang, T. J. / Wang, W. / Wang, W. H. / Wang, W. P. / Wang, X. / Wang, X. F. / Wang, X. L. / Wang, Y. D. / Wang, Y. F. / Wang, Y. H. / Wang, Y. Q. / Wang, Z. / Wang, Z. Y. / Wang, Ziyi / Wei, D. H. / 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, X. H. / Wu, Y. / Wu, Z. / Xia, L. / Xiang, T. / Xiao, G. Y. / Xiao, H. / Xiao, S. Y. / Xiao, Y. L. / Xiao, Z. J. / Xie, C. / Xie, X. H. / Xie, Y. / Xie, Y. G. / Xie, Y. H. / Xie, Z. P. / Xing, T. Y. / Xu, C. F. / Xu, C. J. / Xu, G. F. / Xu, H. Y. / Xu, Q. J. / Xu, S. Y. / Xu, X. P. / Xu, Y. C. / Xu, Z. P. / Yan, F. / Yan, L. / Yan, W. B. / Yan, W. C. / Yang, H. J. / Yang, H. L. / Yang, H. X. / Yang, L. / Yang, S. L. / Yang, Y. X. / Yang, Yifan / 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, L. / Yuan, S. C. / Yuan, X. Q. / Yuan, Y. / Yuan, Z. Y. / Yue, C. X. / Zafar, A. A. / Zeng, F. R. / Zeng, X. Zeng / Zeng, Y. / Zhan, Y. H. / Zhang, A. Q. / Zhang, B. L. / Zhang, B. X. / Zhang, G. Y. / Zhang, H. / 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. M. / Zhang, L. Q. / Zhang, Lei / Zhang, P. / Zhang, Q. Y. / Zhang, Shulei / Zhang, X. D. / Zhang, X. M. / Zhang, X. Y. / Zhang, Y. / Zhang, Y. T. / Zhang, Y. H. / Zhang, Yan / Zhang, Yao / 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. H. / Zhong, B. / Zhong, C. / Zhong, X. / Zhou, H. / Zhou, L. P. / Zhou, X. / Zhou, X. K. / Zhou, X. R. / Zhou, X. Y. / Zhou, Y. Z. / Zhu, J. / Zhu, K. / Zhu, K. J. / Zhu, L. X. / Zhu, S. H. / Zhu, S. Q. / Zhu, T. J. / Zhu, W. J. / Zhu, Y. C. / Zhu, Z. A. / Zou, B. S. / Zou, J. H.

2022

Abstract: Using $2.93\,\rm fb^{-1}$ of $e^+e^-$ collision data collected at a center-of-mass energy of 3.773\,GeV with the BESIII detector, we present a measurement of the branching fraction of the doubly Cabibbo-suppressed (DCS) decay $D^0\to K^+\pi^-\pi^0$ and a ...

Abstract	Using $2.93\,\rm fb^{-1}$ of $e^+e^-$ collision data collected at a center-of-mass energy of 3.773\,GeV with the BESIII detector, we present a measurement of the branching fraction of the doubly Cabibbo-suppressed (DCS) decay $D^0\to K^+\pi^-\pi^0$ and a search for the DCS decay $D^0\to K^+\pi^-\pi^0\pi^0$. The branching fraction of $D^0\to K^+\pi^-\pi^0$ is determined to be $[3.13^{+0.60}_{-0.56}({\rm stat}) \pm 0.09({\rm syst})] \times 10^{-4}$. No signal is observed for $D^0\to K^+\pi^-\pi^0\pi^0$ and an upper limit of $3.6 \times 10^{-4}$ is set on the branching fraction at the 90\% C.L. We combine these results with the world-average branching fractions of their counterpart Cabibbo-favored decays to determine the ratios of the doubly Cabibbo-suppressed over the Cabibbo-favored branching fractions, ${\mathcal B}(D^0\to K^+\pi^-\pi^0)/{\mathcal B}(D^0\to K^-\pi^+\pi^0)=(0.22\pm 0.04)\%$~and ${\mathcal B}(D^0\to K^+\pi^-\pi^0\pi^0)/{\mathcal B}(D^0\to K^-\pi^+\pi^0\pi^0)<0.40\%$ at the 90\% C.L., which correspond to $(0.75\pm 0.14)\tan^{4} \theta_C$~and $1.37\times \tan^{4} \theta_C$, respectively, where $\theta_C$ is the Cabibbo angle.
Keywords	High Energy Physics - Experiment
Subject code	612
Publishing date	2022-03-03
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: New Features in the Electromagnetic Structure of the Neutron

Ablikim, M. / Achasov, M. N. / Adlarson, P. / Ahmed, S. / Albrecht, M. / Aliberti, R. / Amoroso, A. / An, M. R. / An, Q. / Bai, X. H. / Bai, Y. / Bakina, O. / Ferroli, R. Baldini / Balossino, I. / Ban, Y. / Begzsuren, K. / Berger, N. / Bertani, M. / Bettoni, D. /

Bianchi, F. / 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, X. C. / Dbeyssi, A. / de Boer, R. E. / Dedovich, D. / Deng, Z. Y. / Denig, A. / Denysenko, I. / Destefanis, M. / DeMori, F. / Ding, Y. / Dong, C. / Dong, J. / Dong, L. Y. / Dong, M. Y. / Dong, X. / Du, S. X. / Fan, Y. L. / Fang, J. / Fang, S. S. / Fang, Y. / Farinelli, R. / Fava, L. / Feldbauer, F. / Felici, G. / Feng, C. Q. / Feng, J. H. / Fritsch, M. / Fu, C. D. / Gao, Y. / Gao, Y. G. / Garzia, I. / Ge, P. T. / Geng, C. / 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, T. T. / Han, W. Y. / Hao, X. Q. / Harris, F. A. / He, K. L. / Heinsius, F. H. / Heinz, C. H. / Held, T. / Heng, Y. K. / Herold, C. / Himmelreich, M. / Holtmann, T. / Hou, G. Y. / 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. / Hussain, T. / Hüsken, N / Andersson, W. Ikegami / Imoehl, W. / Irshad, M. / Jaeger, S. / Janchiv, S. / Ji, Q. / Ji, Q. P. / Ji, X. B. / Ji, X. L. / Ji, Y. Y. / Jiang, H. B. / Jiang, X. S. / Jiao, J. B. / Jiao, Z. / Jin, S. / Jin, Y. / Jing, M. Q. / 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. / Lavania, A. / Lavezzi, L. / Lei, Z. H. / Leithoff, H. / Lellmann, M. / Lenz, T. / Li, C. / Li, C. H. / Li, Cheng / Li, D. M. / Li, F. / Li, G. / Li, H. / Li, H. B. / Li, H. J. / Li, J. L. / Li, J. Q. / Li, J. S. / Li, Ke / Li, L. K. / Li, Lei / Li, P. R. / Li, S. Y. / Li, W. D. / Li, W. G. / Li, X. H. / Li, X. L. / Li, Xiaoyu / Li, Z. Y. / Liang, H. / Liang, Y. F. / Liang, Y. T. / Liao, G. R. / Liao, L. Z. / Libby, J. / Lin, C. X. / Liu, B. J. / Liu, C. X. / Liu, D. / Liu, F. H. / Liu, Fang / Liu, Feng / Liu, H. B. / Liu, H. M. / Liu, Huanhuan / Liu, Huihui / Liu, J. B. / Liu, J. L. / Liu, J. Y. / Liu, K. / Liu, K. Y. / Liu, L. / Liu, M. H. / Liu, P. L. / Liu, Q. / Liu, S. B. / Liu, Shuai / Liu, T. / Liu, W. M. / Liu, X. / Liu, Y. / Liu, Y. B. / Liu, Z. A. / Liu, Z. Q. / 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. / 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. X. / Ma, X. Y. / 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. / Pogodin, S. / Poling, R. / Prasad, V. / Qi, H. / Qi, H. R. / Qi, K. H. / 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. / Sang, H. S. / Sarantsev, A. / Schelhaas, Y. / Schnier, C. / Schoenning, K. / Scodeggio, M. / Shan, D. C. / Shan, W. / Shan, X. Y. / Shangguan, J. F. / Shao, M. / Shen, C. P. / Shen, H. F. / Shen, P. X. / Shen, X. Y. / Shi, H. C. / Shi, R. S. / Shi, X. / Shi, X. D / Song, J. J. / Song, W. M. / Song, Y. X. / Sosio, S. / Spataro, S. / Su, K. X. / Su, P. P. / Sui, F. F. / Sun, G. X. / Sun, H. K. / 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. / Teng, J. X. / Thoren, V. / Tian, W. H. / Tian, Y. T. / Uman, I. / Wang, B. / Wang, C. W. / Wang, D. Y. / Wang, H. J. / Wang, H. P. / Wang, K. / Wang, L. L. / Wang, M. / Wang, M. Z. / Wang, Meng / Wang, W. / 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, Y. Y. / Wang, Z. / Wang, Z. Y. / Wang, Ziyi / Wang, Zongyuan / Wei, D. H. / 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, Z. J. / Xie, X. H. / Xie, Y. G. / Xie, Y. H. / Xing, T. Y. / Xu, G. F. / Xu, Q. J. / Xu, W. / Xu, X. P. / Xu, Y. C. / Yan, F. / Yan, L. / Yan, W. B. / Yan, W. C. / Yan, Xu / Yang, H. J. / Yang, H. X. / Yang, L. / Yang, S. L. / 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, L. / Yuan, X. Q. / Yuan, Y. / Yuan, Z. Y. / Yue, C. X. / Zafar, A. A. / Zeng, X. Zeng / Zeng, Y. / Zhang, A. Q. / Zhang, B. X. / Zhang, Guangyi / Zhang, H. / Zhang, H. H. / Zhang, H. Y. / Zhang, J. J. / Zhang, J. L. / Zhang, J. Q. / Zhang, J. W. / Zhang, J. Y. / Zhang, J. Z. / Zhang, Jianyu / Zhang, Jiawei / Zhang, L. M. / Zhang, L. Q. / Zhang, Lei / Zhang, S. / Zhang, S. F. / Zhang, Shulei / Zhang, X. D. / Zhang, X. Y. / Zhang, Y. / Zhang, Y. T. / Zhang, Y. H. / Zhang, Yan / Zhang, Yao / 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. / Zhou, X. Y. / Zhu, A. N. / Zhu, J. / Zhu, K. / Zhu, K. J. / Zhu, S. H. / Zhu, T. J. / Zhu, W. J. / Zhu, Y. C. / Zhu, Z. A. / Zou, B. S. / Zou, J. H.

2021

Abstract: Here we present new results for the Born cross section and the effective form factor of the neutron at the center-of-mass energies ${\bf \sqrt{s}}$ between 2.0 and 3.08 GeV, using 18 data sets corresponding to an integrated luminosity of 647.9 pb${\bf ^{- ...

Abstract	Here we present new results for the Born cross section and the effective form factor of the neutron at the center-of-mass energies ${\bf \sqrt{s}}$ between 2.0 and 3.08 GeV, using 18 data sets corresponding to an integrated luminosity of 647.9 pb${\bf ^{-1}}$ from e${\bf ^+}$e${\bf ^-}$ annihilation reactions collected at the BESIII experiment. The process $e^{+}e^{-}\to n\bar{n}$ is analyzed with three individual categories to improve the efficiency of $n\bar{n}$ reconstruction. The cross section of $e^{+}e^{-}\to n\bar{n}$ is measured at 18 c.m. energies where the best precision is 8.1\% at $\sqrt{s}=2.396$ GeV. The corresponding effective form factors are extracted under the assumption $\|G_{E}\|=\|G_{M}\|$. Our results improve the statistical precision on the neutron form factor by more than a factor of 60 over previous measurements from the FENICE and DM2 experiments and usher in a new era where neutron form factor data from annihilation in the time-like regime is on par with that from electron scattering experiments. In addition, an oscillatory behavior of the effective form factor observed for the proton is discussed for the neutron. Comment: 21 pages, 11 figures, 6 tables
Keywords	High Energy Physics - Experiment
Subject code	306
Publishing date	2021-03-23
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: Determination of the absolute branching fractions of $D^0\to K^-e^+\nu_e$ and $D^+\to \bar K^0 e^+\nu_e$

BESIII Collaboration / Ablikim, M. / Achasov, M. N. / Adlarson, P. / Ahmed, S. / Albrecht, M. / Aliberti, R. / Amoroso, A. / An, M. R. / An, Q. / Bai, X. H. / Bai, Y. / Bakina, O. / Ferroli, R. Baldini / Balossino, I. / Ban, Y. / Begzsuren, K. / Berger, N. / Bertani, M. /

Bettoni, D. / Bianchi, F. / 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, X. C. / Dbeyssi, A. / de Boer, R. E. / 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. / Dong, X. / Du, S. X. / Fan, Y. L. / Fang, J. / Fang, S. S. / Fang, Y. / Farinelli, R. / Fava, L. / Feldbauer, F. / Felici, G. / Feng, C. Q. / Feng, J. H. / Fritsch, M. / Fu, C. D. / Gao, Y. / Gao, Y. G. / Garzia, I. / Ge, P. T. / Geng, C. / 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, T. T. / Han, W. Y. / Hao, X. Q. / Harris, F. A. / He, K. L. / Heinsius, F. H. / Heinz, C. H. / Held, T. / Heng, Y. K. / Herold, C. / Himmelreich, M. / Holtmann, T. / Hou, G. Y. / 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. / Hussain, T. / Hüsken, N. / Andersson, W. Ikegami / Imoehl, W. / Irshad, M. / Jaeger, S. / Janchiv, S. / Ji, Q. / Ji, Q. P. / Ji, X. B. / Ji, X. L. / Ji, Y. Y. / Jiang, H. B. / Jiang, X. S. / Jiao, J. B. / Jiao, Z. / Jin, S. / Jin, Y. / Jing, M. Q. / 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. / Lavania, A. / Lavezzi, L. / Lei, Z. H. / Leithoff, H. / Lellmann, M. / Lenz, T. / Li, C. / Li, C. H. / Li, Cheng / Li, D. M. / Li, F. / Li, G. / Li, H. / Li, H. B. / Li, J. L. / Li, J. Q. / Li, J. S. / Li, Ke / Li, L. K. / Li, Lei / Li, P. R. / Li, S. Y. / Li, W. D. / Li, W. G. / Li, X. H. / Li, X. L. / Li, Xiaoyu / Li, Z. Y. / Liang, H. / Liang, Y. F. / Liang, Y. T. / Liao, G. R. / Liao, L. Z. / Libby, J. / Lin, C. X. / Liu, B. J. / Liu, C. X. / Liu, D. / Liu, F. H. / Liu, Fang / Liu, Feng / Liu, H. B. / Liu, H. M. / Liu, Huanhuan / Liu, Huihui / Liu, J. B. / Liu, J. L. / Liu, J. Y. / Liu, K. / Liu, K. Y. / Liu, L. / Liu, M. H. / Liu, P. L. / Liu, Q. / Liu, S. B. / Liu, Shuai / Liu, T. / Liu, W. M. / Liu, X. / Liu, Y. / Liu, Y. B. / Liu, Z. A. / Liu, Z. Q. / 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. X. / Ma, X. Y. / 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. / Poling, R. / Prasad, V. / Qi, H. / Qi, H. R. / Qi, K. H. / 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. / Sang, H. S. / Sarantsev, A. / Schelhaas, Y. / Schnier, C. / Schoenning, K. / Scodeggio, M. / Shan, D. C. / Shan, W. / Shan, X. Y. / Shangguan, J. F. / Shao, M. / Shen, C. P. / Shen, H. F. / Shen, P. X. / Shen, X. Y. / Shi, H. C. / Shi, R. S. / Shi, X. / Shi, X. D / Song, J. J. / Song, W. M. / Song, Y. X. / Sosio, S. / Spataro, S. / Su, K. X. / Su, P. P. / Sui, F. F. / Sun, G. X. / Sun, H. K. / 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. / Teng, J. X. / Thoren, V. / Tian, W. H. / Uman, I. / Wang, B. / Wang, C. W. / Wang, D. Y. / Wang, H. J. / Wang, H. P. / Wang, K. / Wang, L. L. / Wang, M. / Wang, M. Z. / Wang, Meng / Wang, W. / 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, Y. Y. / 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, Z. J. / Xie, X. H. / Xie, Y. G. / Xie, Y. H. / Xing, T. Y. / Xu, G. F. / Xu, Q. J. / Xu, W. / Xu, X. P. / Xu, Y. C. / Yan, F. / Yan, L. / Yan, W. B. / Yan, W. C. / Yan, Xu / Yang, H. J. / Yang, H. X. / Yang, L. / Yang, S. L. / 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, L. / Yuan, X. Q. / Yuan, Y. / Yuan, Z. Y. / Yue, C. X. / Zafar, A. A. / Zeng, X. Zeng / Zeng, Y. / Zhang, A. Q. / Zhang, B. X. / Zhang, Guangyi / Zhang, H. / Zhang, H. H. / Zhang, H. Y. / Zhang, J. J. / Zhang, J. L. / Zhang, J. Q. / Zhang, J. W. / Zhang, J. Y. / Zhang, J. Z. / Zhang, Jianyu / Zhang, Jiawei / Zhang, L. Q. / Zhang, Lei / Zhang, S. / Zhang, S. F. / Zhang, Shulei / Zhang, X. D. / Zhang, X. Y. / Zhang, Y. / Zhang, Y. T. / Zhang, Y. H. / Zhang, Yan / Zhang, Yao / 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, T. J. / Zhu, W. J. / Zhu, Y. C. / Zhu, Z. A. / Zou, B. S. / Zou, J. H.

2021

Abstract: Using 2.93 fb$^{-1}$ of $e^+e^-$ collision data collected with the BESIII detector at a center-of-mass energy of 3.773 GeV, we measure the absolute branching fractions of the decays $D^0\to K^-e^+\nu_e$ and $D^+\to \bar K^0 e^+\nu_e$ to be $(3.567\pm0 ... ...

Abstract	Using 2.93 fb$^{-1}$ of $e^+e^-$ collision data collected with the BESIII detector at a center-of-mass energy of 3.773 GeV, we measure the absolute branching fractions of the decays $D^0\to K^-e^+\nu_e$ and $D^+\to \bar K^0 e^+\nu_e$ to be $(3.567\pm0.031_{\rm stat}\pm 0.025_{\rm syst})\%$ and $(8.68\pm0.14_{\rm stat}\pm 0.16_{\rm syst})\%$, respectively. Starting with the process $e^+e^-\to D\bar{D}$, a new reconstruction method is employed to select events that contain candidates for both $D\to \bar Ke^+\nu_e$ and $\bar D\to Ke^-\bar \nu_e$ decays. The branching fractions reported in this work are consistent within uncertainties with previous BESIII measurements that selected events containing $D\to \bar Ke^+\nu_e$ and hadronic $\bar D$ decays. Combining our results with the lifetimes of the $D^0$ and $D^+$ mesons and the previous BESIII measurements leads to a ratio of the two decay partial widths of $\frac{\bar \Gamma_{D^0\to K^{-}e^+\nu_{e}}}{\bar \Gamma_{D^{+}\to \bar K^{0}e^+\nu_{e}}}=1.039\pm0.021$. This ratio supports isospin symmetry in the $D^0\to K^-e^+\nu_e$ and $D^+\to \bar K^0 e^+\nu_e$ decays within $1.9\sigma$. Comment: 10 pages, 3 figure, 3 tables
Keywords	High Energy Physics - Experiment
Subject code	660
Publishing date	2021-04-16
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: Study of the Decay $D^{+}_{s}\rightarrow \pi^{+}\pi^{+}\pi^{-}\eta$ and Observation of the W-annihilation Decay $D^{+}_{s}\rightarrow a_0(980)^+\rho^0$

Bianchi, F. / 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, X. C. / Dbeyssi, A. / de Boer, R. E. / 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. / Dong, X. / Du, S. X. / Fan, Y. L. / Fang, J. / Fang, S. S. / Fang, Y. / Farinelli, R. / Fava, L. / Feldbauer, F. / Felici, G. / Feng, C. Q. / Feng, J. H. / Fritsch, M. / Fu, C. D. / Gao, Y. / Gao, Y. G. / Garzia, I. / Ge, P. T. / Geng, C. / Gersabeck, E. M. / Gilman, A / Goetzen, K. / Gong, L. / Gong, W. X. / Gradl, W. / Greco, M. / Gu, L. M. / Gu, M. H. / Guan, C. Y / Guo, A. Q. / Guo, L. B. / Guo, R. P. / Guo, Y. P. / Guskov, A. / Han, T. T. / Han, W. Y. / Hao, X. Q. / Harris, F. A. / He, K. L. / Heinsius, F. H. / Heinz, C. H. / Held, T. / Heng, Y. K. / Herold, C. / Himmelreich, M. / Holtmann, T. / Hou, G. Y. / 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. / Hussain, T. / Hüsken, N / Andersson, W. Ikegami / Imoehl, W. / Irshad, M. / Jaeger, S. / Janchiv, S. / Ji, Q. / Ji, Q. P. / Ji, X. B. / Ji, X. L. / Ji, Y. Y. / Jiang, H. B. / Jiang, X. S. / Jiao, J. B. / Jiao, Z. / Jin, S. / Jin, Y. / Jing, M. Q. / 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. / Lavania, A. / Lavezzi, L. / Lei, Z. H. / Leithoff, H. / Lellmann, M. / Lenz, T. / Li, C. / Li, C. H. / Li, Cheng / Li, D. M. / Li, F. / Li, G. / Li, H. / Li, H. B. / Li, H. J. / Li, J. L. / Li, J. Q. / Li, J. S. / Li, Ke / Li, L. K. / Li, Lei / Li, P. R. / Li, S. Y. / Li, W. D. / Li, W. G. / Li, X. H. / Li, X. L. / Li, Xiaoyu / Li, Z. Y. / Liang, H. / Liang, Y. F. / Liang, Y. T. / Liao, G. R. / Liao, L. Z. / Libby, J. / Lin, C. X. / Lin, T. / Liu, B. J. / Liu, C. X. / Liu, D. / Liu, F. H. / Liu, Fang / Liu, Feng / Liu, H. M. / Liu, Huanhuan / Liu, Huihui / Liu, J. B. / Liu, J. L. / Liu, J. Y. / Liu, K. / Liu, K. Y. / Liu, L. / Liu, M. H. / Liu, P. L. / Liu, Q. / Liu, S. B. / Liu, Shuai / Liu, T. / Liu, W. M. / Liu, X. / Liu, Y. / Liu, Y. B. / Liu, Z. A. / Liu, Z. Q. / 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. / 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. X. / Ma, X. Y. / 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. / Muchnoi, N. Yu. / Muramatsu, H. / Nakhoul, S. / Nefedov, Y. / Nerling, F. / Nikolaev, I. B. / Ning, Z. / Nisar, S. / 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. / Pogodin, S. / Poling, R. / Prasad, V. / Qi, H. / Qi, H. R. / Qi, K. H. / 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. / Sang, H. S. / Sarantsev, A. / Schelhaas, Y. / Schnier, C. / Schoenning, K. / Scodeggio, M. / Shan, D. C. / Shan, W. / Shan, X. Y. / Shangguan, J. F. / Shao, M. / Shen, C. P. / Shen, H. F. / Shen, P. X. / Shen, X. Y. / Shi, H. C. / Shi, R. S. / Shi, X. / Shi, X. D / Song, J. J. / Song, W. M. / Song, Y. X. / Sosio, S. / Spataro, S. / Su, K. X. / Su, P. P. / Sui, F. F. / Sun, G. X. / Sun, H. K. / Sun, J. F. / Sun, L. / Sun, S. S. / Sun, T. / Sun, W. Y. / Sun, X / Sun, Y. J. / Sun, Y. Z. / Sun, Z. T. / Tan, Y. H. / Tan, Y. X. / Tang, C. J. / Tang, G. Y. / Tang, J. / Teng, J. X. / Thoren, V. / Tian, W. H. / Tian, Y. T. / Uman, I. / Wang, B. / Wang, C. W. / Wang, D. Y. / Wang, H. J. / Wang, H. P. / Wang, K. / Wang, L. L. / Wang, M. / Wang, M. Z. / Wang, Meng / Wang, S. / Wang, W. / 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, Y. Y. / Wang, Z. / Wang, Z. Y. / Wang, Ziyi / Wang, Zongyuan / Wei, D. H. / 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, Z. J. / Xie, X. H. / Xie, Y. G. / Xie, Y. H. / Xing, T. Y. / Xu, G. F. / Xu, Q. J. / Xu, W. / Xu, X. P. / Xu, Y. C. / Yan, F. / Yan, L. / Yan, W. B. / Yan, W. C. / Yan, Xu / Yang, H. J. / Yang, H. X. / Yang, L. / Yang, S. L. / 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, L. / Yuan, X. Q. / Yuan, Y. / Yuan, Z. Y. / Yue, C. X. / Zafar, A. A. / Zeng, X. Zeng / Zeng, Y. / Zhang, A. Q. / Zhang, B. X. / Zhang, Guangyi / Zhang, H. / Zhang, H. H. / Zhang, H. Y. / Zhang, J. J. / Zhang, J. L. / Zhang, J. Q. / Zhang, J. W. / Zhang, J. Y. / Zhang, J. Z. / Zhang, Jianyu / Zhang, Jiawei / Zhang, L. M. / Zhang, L. Q. / Zhang, Lei / Zhang, S. / Zhang, S. F. / Zhang, Shulei / Zhang, X. D. / Zhang, X. Y. / Zhang, Y. / Zhang, Y. T. / Zhang, Y. H. / Zhang, Yan / Zhang, Yao / 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. H. / Zhong, B. / Zhong, C. / Zhou, L. P. / Zhou, Q. / Zhou, X. / Zhou, X. K. / Zhou, X. R. / Zhou, X. Y. / Zhu, A. N. / Zhu, J. / Zhu, K. / Zhu, K. J. / Zhu, S. H. / Zhu, T. J. / Zhu, W. J. / Zhu, Y. C. / Zhu, Z. A. / Zou, B. S. / Zou, J. H.

2021

Abstract: The decay $D^{+}_{s}\rightarrow \pi^{+}\pi^{+}\pi^{-}\eta$ is observed for the first time, using $e^+e^-$ collision data corresponding to an integrated luminosity of 6.32 fb$^{-1}$, collected by the BESIII detector at center-of-mass energies between 4 ... ...

Abstract	The decay $D^{+}_{s}\rightarrow \pi^{+}\pi^{+}\pi^{-}\eta$ is observed for the first time, using $e^+e^-$ collision data corresponding to an integrated luminosity of 6.32 fb$^{-1}$, collected by the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV. The absolute branching fraction for this decay is measured to be $\mathcal{B}(D^+_s \to \pi^+ \pi^+ \pi^- \eta) = (3.12\pm0.13_{\rm stat.}\pm0.09_{\rm syst.})$%. The first amplitude analysis of this decay reveals the sub-structures in $D^{+}_{s}\rightarrow \pi^{+}\pi^{+}\pi^{-}\eta$ and determines the relative fractions and the phases among these sub-structures. The dominant intermediate process is $D^{+}_{s}\rightarrow a_1(1260)^+ \eta, a_1(1260)^+ \rightarrow \rho(770)^0\pi^+$ with a branching fraction of $(1.73 \pm 0.14_{\rm stat.} \pm 0.08_{\rm syst.})$%. We also observe the W-annihilation process $D^{+}_{s}\rightarrow a_0(980)^+\rho(770)^0$, $a_0(980)^+ \to \pi^+ \eta$ with a branching fraction of $(0.21\pm0.08_{\rm stat.}\pm0.05_{\rm syst.})$%, which is larger than the branching fractions of other measured pure W-annihilation decays by one order of magnitude. Comment: 8 pages, 3 figures
Keywords	High Energy Physics - Experiment
Subject code	551
Publishing date	2021-06-25
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: First Measurement of the Absolute Branching Fraction of $\Lambda \to p \mu^- \bar{\nu}_{\mu}$

Bianchi, F. / 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, X. C. / Dbeyssi, A. / de Boer, R. E. / 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. / Dong, X. / Du, S. X. / Fan, Y. L. / Fang, J. / Fang, S. S. / Fang, Y. / Farinelli, R. / Fava, L. / Feldbauer, F. / Felici, G. / Feng, C. Q. / Feng, J. H. / Fritsch, M. / Fu, C. D. / Gao, Y. / Gao, Y. G. / Garzia, I. / Ge, P. T. / Geng, C. / Gersabeck, E. M. / Gilman, A / Goetzen, K. / Gong, L. / Gong, W. X. / Gradl, W. / Greco, M. / Gu, L. M. / Gu, M. H. / Gu, Y. T. / Guan, C. Y / Guo, A. Q. / Guo, L. B. / Guo, R. P. / Guo, Y. P. / Guskov, A. / Han, T. T. / Han, W. Y. / Hao, X. Q. / Harris, F. A. / He, K. L. / Heinsius, F. H. / Heinz, C. H. / Held, T. / Heng, Y. K. / Herold, C. / Himmelreich, M. / Holtmann, T. / Hou, G. Y. / 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. / Hussain, T. / Husken, N / Andersson, W. Ikegami / Imoehl, W. / Irshad, M. / Jaeger, S. / Janchiv, S. / Ji, Q. / Ji, Q. P. / Ji, X. B. / Ji, X. L. / Ji, Y. Y. / Jiang, H. B. / Jiang, X. S. / Jiao, J. B. / Jiao, Z. / Jin, S. / Jin, Y. / Jing, M. Q. / 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. / Kuhn, W. / Lane, J. J. / Lange, J. S. / Larin, P. / Lavania, A. / Lavezzi, L. / Lei, Z. H. / Leithoff, H. / Lellmann, M. / Lenz, T. / Li, C. / Li, C. H. / Li, Cheng / Li, D. M. / Li, F. / Li, G. / Li, H. / Li, H. B. / Li, H. J. / Li, J. L. / Li, J. Q. / Li, J. S. / Li, Ke / Li, L. K. / Li, Lei / Li, P. R. / Li, S. Y. / Li, W. D. / Li, W. G. / Li, X. H. / Li, X. L. / Li, Xiaoyu / Li, Z. Y. / Liang, H. / Liang, Y. F. / Liang, Y. T. / Liao, G. R. / Liao, L. Z. / Libby, J. / Lin, C. X. / Lin, T. / Liu, B. J. / Liu, C. X. / Liu, D. / Liu, F. H. / Liu, Fang / Liu, Feng / Liu, H. B. / Liu, H. M. / Liu, Huanhuan / Liu, Huihui / Liu, J. B. / Liu, J. L. / Liu, J. Y. / Liu, K. / Liu, K. Y. / Liu, L. / Liu, M. H. / Liu, P. L. / Liu, Q. / Liu, S. B. / Liu, Shuai / Liu, T. / Liu, W. M. / Liu, X. / Liu, Y. / Liu, Y. B. / Liu, Z. A. / Liu, Z. Q. / 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. / 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. X. / Ma, X. Y. / 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. / 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. / Pogodin, S. / Poling, R. / Prasad, V. / Qi, H. / Qi, H. R. / Qi, K. H. / 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. / Sang, H. S. / Sarantsev, A. / Schelhaas, Y. / Schnier, C. / Schoenning, K. / Scodeggio, M. / Shan, D. C. / Shan, W. / Shan, X. Y. / Shangguan, J. F. / Shao, M. / Shen, C. P. / Shen, H. F. / Shen, P. X. / Shen, X. Y. / Shi, H. C. / Shi, R. S. / Shi, X. / Shi, X. D / Song, J. J. / Song, W. M. / Song, Y. X. / Sosio, S. / Spataro, S. / Su, K. X. / Su, P. P. / Sui, F. F. / Sun, G. X. / Sun, H. K. / Sun, J. F. / Sun, L. / Sun, S. S. / Sun, T. / Sun, W. Y. / Sun, X / Sun, Y. J. / Sun, Y. Z. / Sun, Z. T. / Tan, Y. H. / Tan, Y. X. / Tang, C. J. / Tang, G. Y. / Tang, J. / Teng, J. X. / Thoren, V. / Tian, W. H. / Tian, Y. T. / Uman, I. / Wang, B. / Wang, C. W. / Wang, D. Y. / Wang, H. J. / Wang, H. P. / Wang, K. / Wang, L. L. / Wang, M. / Wang, M. Z. / Wang, Meng / Wang, S. / Wang, W. / 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, Y. Y. / Wang, Z. / Wang, Z. Y. / Wang, Ziyi / Wang, Zongyuan / Wei, D. H. / 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, Z. J. / Xie, X. H. / Xie, Y. G. / Xie, Y. H. / Xing, T. Y. / Xu, G. F. / Xu, Q. J. / Xu, W. / Xu, X. P. / Xu, Y. C. / Yan, F. / Yan, L. / Yan, W. B. / Yan, W. C. / Yan, Xu / Yang, H. J. / Yang, H. X. / Yang, L. / Yang, S. L. / 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, L. / Yuan, X. Q. / Yuan, Y. / Yuan, Z. Y. / Yue, C. X. / Zafar, A. A. / Zeng, X. Zeng / Zeng, Y. / Zhang, A. Q. / Zhang, B. X. / Zhang, Guangyi / Zhang, H. / Zhang, H. H. / Zhang, H. Y. / Zhang, J. J. / Zhang, J. L. / Zhang, J. Q. / Zhang, J. W. / Zhang, J. Y. / Zhang, J. Z. / Zhang, Jianyu / Zhang, Jiawei / Zhang, L. M. / Zhang, L. Q. / Zhang, Lei / Zhang, S. / Zhang, S. F. / Zhang, Shulei / Zhang, X. D. / Zhang, X. Y. / Zhang, Y. / Zhang, Y. T. / Zhang, Y. H. / Zhang, Yan / Zhang, Yao / 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. / Zhou, X. Y. / Zhu, A. N. / Zhu, J. / Zhu, K. / Zhu, K. J. / Zhu, S. H. / Zhu, T. J. / Zhu, W. J. / Zhu, Y. C. / Zhu, Z. A. / Zou, B. S. / Zou, J. H. / Collaboration, BESIII

2021

Abstract: The absolute branching fraction of $\Lambda \to p \mu^- \bar{\nu}_{\mu}$ is reported for the first time based on an $e^+e^-$ annihilation sample of ten billion $J/\psi$ events collected with the BESIII detector at $\sqrt{s}=3.097$ GeV. The branching ... ...

Abstract	The absolute branching fraction of $\Lambda \to p \mu^- \bar{\nu}_{\mu}$ is reported for the first time based on an $e^+e^-$ annihilation sample of ten billion $J/\psi$ events collected with the BESIII detector at $\sqrt{s}=3.097$ GeV. The branching fraction is determined to be ${\mathcal B}(\Lambda \to p\mu^- \bar{\nu}_{\mu}) = [1.48\pm0.21(\rm stat) \pm 0.08(\rm syst)]\times 10^{-4}$, which is a significant improvement in precision over the previous indirect measurements. Combining this result with the world average of ${\mathcal B}(\Lambda \to p e^- \bar{\nu}_{e})$, we obtain the ratio, $\frac{\Gamma(\Lambda \to p \mu^- \bar{\nu}_{\mu})}{\Gamma(\Lambda \to p e^- \bar{\nu}_{e})}$, to be $0.178 \pm 0.028$, which agrees with the standard model prediction assuming lepton flavor universality. The asymmetry of the branching fractions of $\Lambda \to p \mu^- \bar{\nu}_{\mu}$ and $\bar{\Lambda} \to \bar{p} \mu^+ \nu_{\mu}$ is also determined, and no evidence for $CP$ violation is found. Comment: 8 pages, 2figures
Keywords	High Energy Physics - Experiment ; High Energy Physics - Phenomenology
Subject code	612
Publishing date	2021-07-14
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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