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Book: Measurement of the inclusive cross section of jets in [gamma] [gamma] interactions at TRISTAN

Hayashii, H

(INS-rep ; 990 ; KEK preprint ; 93-47)

1993

Author's details	TOPAZ Collaboration. [H. Hayashii ...]
Series title	INS-rep ; 990 KEK preprint ; 93-47
Language	English
Size	20 Doppels., graph. Darst.
Publisher	KEK, National Laboratory for High Energy Physics
Publishing place	Tsukuba
Document type	Book
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Book: An experimental study of muon pair production in tagged two-photon interactions

Hayashii, H

(INS-Rep / [Institute for Nuclear Study, University of Tokyo] ; 911 ; KEK preprint ; 91-208)

1992

Author's details	TOPAZ Collaboration. [H. Hayashii]
Series title	INS-Rep / [Institute for Nuclear Study, University of Tokyo] ; 911 KEK preprint ; 91-208
Language	English
Size	13 Doppels., graph. Darst.
Publisher	KEK, National Laboratory for High Energy Physics
Publishing place	Tsukuba
Document type	Book
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Book: Performance of the TOPAZ forward calorimeter at the TRISTAN experiment

Hayashii, H

(KEK preprint ; 91-201)

1992

Author's details	H. Hayashii
Series title	KEK preprint ; 91-201
Language	English
Size	55 Doppels., graph. Darst.
Publisher	KEK, National Laboratory for High Energy Physics
Publishing place	Tsukuba
Document type	Book
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Book: A Monte-Carlo program to generate mini-jet events in the two-photon process

Miyamoto, A / Hayashii, H

(KEK Preprint ; 94-204)

1994

Author's details	A. Miyamoto; H. Hayashii
Series title	KEK Preprint ; 94-204
Size	21 S, graph. Darst
Publisher	National Laboratory for High Energy Physics
Publishing place	Ibaraki
Document type	Book
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Article ; Online: First Simultaneous Determination of Inclusive and Exclusive |V_{ub}|.

Cao, L / Bernlochner, F / Tackmann, K / Adachi, I / Aihara, H / Al Said, S / Asner, D M / Atmacan, H / Aushev, T / Ayad, R / Babu, V / Bahinipati, S / Banerjee, Sw / Behera, P / Belous, K / Bennett, J / Bessner, M / Bhuyan, B / Bilka, T /

Biswas, D / Bobrov, A / Bodrov, D / Borah, J / Bozek, A / Bračko, M / Branchini, P / Browder, T E / Budano, A / Campajola, M / Červenkov, D / Chang, M-C / Cheon, B G / Chilikin, K / Cho, H E / Cho, K / Cho, S-J / Choi, S-K / Choi, Y / Choudhury, S / Cinabro, D / Cunliffe, S / Das, S / de Marino, G / De Nardo, G / De Pietro, G / Dhamija, R / Di Capua, F / Dingfelder, J / Doležal, Z / Dong, T V / Ferber, T / Ferlewicz, D / Frey, A / Fulsom, B G / Gaur, V / Garmash, A / Giri, A / Goldenzweig, P / Graziani, E / Gu, T / Guan, Y / Gudkova, K / Hadjivasiliou, C / Halder, S / Hara, T / Hartbrich, O / Hayasaka, K / Hayashii, H / Hedges, M T / Herrmann, D / Hou, W-S / Hsu, C-L / Iijima, T / Inami, K / Ipsita, N / Ishikawa, A / Itoh, R / Iwasaki, M / Jacobs, W W / Jang, E-J / Jia, S / Jin, Y / Joo, K K / Kalita, D / Kang, K H / Kiesling, C / Kim, C H / Kim, D Y / Kim, K-H / Kim, Y-K / Kinoshita, K / Kodyš, P / Konno, T / Korobov, A / Korpar, S / Kovalenko, E / Križan, P / Krokovny, P / Kuhr, T / Kumar, R / Kumara, K / Kuzmin, A / Kwon, Y-J / Lange, J S / Laurenza, M / Lee, S C / Lewis, P / Li, J / Li, L K / Li, Y / Libby, J / Lin, Y-R / Liventsev, D / Luo, T / Ma, Y / Martini, A / Masuda, M / Matsuda, T / Matvienko, D / Maurya, S K / Meier, F / Merola, M / Metzner, F / Miyabayashi, K / Mizuk, R / Mohanty, G B / Mrvar, M / Mussa, R / Nakamura, I / Nakao, M / Natkaniec, Z / Natochii, A / Nayak, L / Nayak, M / Nisar, N K / Nishida, S / Ogawa, K / Ogawa, S / Ono, H / Oskin, P / Pakhlov, P / Pakhlova, G / Pang, T / Pardi, S / Park, H / Park, J / Park, S-H / Passeri, A / Patra, S / Paul, S / Pedlar, T K / Pestotnik, R / Piilonen, L E / Podobnik, T / Prencipe, E / Prim, M T / Rout, N / Rozanska, M / Russo, G / Sandilya, S / Sangal, A / Santelj, L / Savinov, V / Schnell, G / Schwanda, C / Seino, Y / Senyo, K / Sevior, M E / Shan, W / Shapkin, M / Sharma, C / Shen, C P / Shiu, J-G / Shwartz, B / Sokolov, A / Solovieva, E / Starič, M / Stottler, Z S / Sumihama, M / Sutcliffe, W / Takizawa, M / Tamponi, U / Tanida, K / Tenchini, F / Tiwary, R / Trabelsi, K / Uchida, M / Uglov, T / Unno, Y / Uno, K / Uno, S / Ushiroda, Y / Usov, Y / Vahsen, S E / Varner, G / Varvell, K E / Vossen, A / Wang, D / Wang, E / Wang, M-Z / Watanuki, S / Werbycka, O / Won, E / Xu, X / Yabsley, B D / Yan, W / Yang, S B / Yin, J H / Yook, Y / Yusa, Y / Zhang, Z P / Zhilich, V / Zhukova, V

Physical review letters

2023 Volume 131, Issue 21, Page(s) 211801

Abstract: The first simultaneous determination of the absolute value of the Cabibbo-Kobayashi-Maskawa matrix element V_{ub} using inclusive and exclusive decays is performed with the full Belle data set at the ϒ(4S) resonance, corresponding to an integrated ... ...

Abstract	The first simultaneous determination of the absolute value of the Cabibbo-Kobayashi-Maskawa matrix element V_{ub} using inclusive and exclusive decays is performed with the full Belle data set at the ϒ(4S) resonance, corresponding to an integrated luminosity of 711 fb^{-1}. We analyze collision events in which one B meson is fully reconstructed in hadronic modes. This allows for the reconstruction of the hadronic X_{u} system of the semileptonic b→uℓν[over ¯]_{ℓ} decay. We separate exclusive B→πℓν[over ¯]_{ℓ} decays from other inclusive B→X_{u}ℓν[over ¯]_{ℓ} and backgrounds with a two-dimensional fit that utilizes the number of charged pions in the X_{u} system and the four-momentum transfer q^{2} between the B and X_{u} systems. Combining our measurement with information from lattice QCD and QCD calculations of the inclusive partial rate as well as external experimental information on the shape of the B→πℓν[over ¯]_{ℓ} form factor, we determine \|V_{ub}^{excl}\|=(3.78±0.23±0.16±0.14)×10^{-3} and \|V_{ub}^{incl}\|=(3.88±0.20±0.31±0.09)×10^{-3}, respectively, with the uncertainties being the statistical error, systematic errors, and theory errors. The ratio of \|V_{ub}^{excl}\|/\|V_{ub}^{incl}\|=0.97±0.12 is compatible with unity.
Language	English
Publishing date	2023-09-29
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.131.211801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: First Measurement of the B^{+}→π^{+}π^{0}π^{0} Branching Fraction and CP Asymmetry.

Lai, Y-T / Adachi, I / Aihara, H / Al Said, S / Asner, D M / Atmacan, H / Aulchenko, V / Aushev, T / Ayad, R / Babu, V / Bahinipati, S / Behera, P / Belous, K / Bennett, J / Bessner, M / Bhuyan, B / Bilka, T / Bobrov, A / Borah, J /

Bozek, A / Bračko, M / Branchini, P / Browder, T E / Budano, A / Campajola, M / Červenkov, D / Chang, M-C / Chang, P / Chekelian, V / Chen, A / Cheon, B G / Chilikin, K / Cho, H E / Cho, K / Cho, S-J / Choi, S-K / Choi, Y / Cinabro, D / Cunliffe, S / Czank, T / Das, S / De Nardo, G / De Pietro, G / Dhamija, R / Di Capua, F / Dingfelder, J / Doležal, Z / Dong, T V / Ferber, T / Fulsom, B G / Garg, R / Gaur, V / Gabyshev, N / Giri, A / Goldenzweig, P / Graziani, E / Gu, T / Guan, Y / Gudkova, K / Hadjivasiliou, C / Halder, S / Hartbrich, O / Hayasaka, K / Hayashii, H / Higuchi, T / Hou, W-S / Hsu, C-L / Iijima, T / Inami, K / Ishikawa, A / Itoh, R / Iwasaki, M / Iwasaki, Y / Jacobs, W W / Jang, E-J / Jia, S / Jin, Y / Kaliyar, A B / Kang, K H / Kim, C H / Kim, D Y / Kim, K-H / Kim, Y-K / Kinoshita, K / Kodyš, P / Konno, T / Korobov, A / Korpar, S / Kovalenko, E / Križan, P / Krokovny, P / Kumar, M / Kumar, R / Kumara, K / Kuzmin, A / Kwon, Y-J / Lam, T / Lange, J S / Laurenza, M / Lee, S C / Levit, D / Li, J / Li, L K / Li, Y B / Li Gioi, L / Libby, J / Lieret, K / Liventsev, D / Martini, A / Masuda, M / Matvienko, D / Meier, F / Merola, M / Metzner, F / Mizuk, R / Mohanty, G B / Moon, T J / Mrvar, M / Mussa, R / Nakao, M / Natochii, A / Nayak, L / Nisar, N K / Nishida, S / Ogawa, S / Pakhlova, G / Pang, T / Pardi, S / Park, H / Park, S-H / Passeri, A / Patra, S / Paul, S / Pedlar, T K / Pestotnik, R / Piilonen, L E / Podobnik, T / Prencipe, E / Prim, M T / Rostomyan, A / Rout, N / Russo, G / Sahoo, D / Sakai, Y / Sandilya, S / Sangal, A / Santelj, L / Sanuki, T / Savinov, V / Schnell, G / Schueler, J / Schwanda, C / Seino, Y / Senyo, K / Sevior, M E / Shapkin, M / Sharma, C / Shen, C P / Shiu, J-G / Singh, J B / Sokolov, A / Solovieva, E / Starič, M / Stottler, Z S / Strube, J F / Sumihama, M / Sumisawa, K / Sutcliffe, W / Takizawa, M / Tamponi, U / Tanida, K / Tenchini, F / Trabelsi, K / Uglov, T / Unno, Y / Uno, K / Uno, S / Urquijo, P / van Tonder, R / Varner, G / Varvell, K E / Vinokurova, A / Vossen, A / Waheed, E / Wang, C H / Wang, X L / Watanabe, M / Watanuki, S / Won, E / Yabsley, B D / Yan, W / Yang, S B / Ye, H / Yelton, J / Zhai, Y / Zhang, Z P / Zhilich, V / Zhukova, V

Physical review letters

2023 Volume 130, Issue 18, Page(s) 181804

Abstract: We study B^{+}→π^{+}π^{0}π^{0} using 711 fb^{-1} of data collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We measure an inclusive branching fraction of (19.0±1.5±1.4)×10^{-6} and an inclusive CP ...

Abstract	We study B^{+}→π^{+}π^{0}π^{0} using 711 fb^{-1} of data collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We measure an inclusive branching fraction of (19.0±1.5±1.4)×10^{-6} and an inclusive CP asymmetry of (9.2±6.8±0.7)%, where the first uncertainties are statistical and the second are systematic, and a B^{+}→ρ(770)^{+}π^{0} branching fraction of (11.2±1.1±0.9_{-1.6}^{+0.8})×10^{-6}, where the third uncertainty is due to possible interference with B^{+}→ρ(1450)^{+}π^{0}. We present the first observation of a structure around 1 GeV/c^{2} in the π^{0}π^{0} mass spectrum, with a significance of 6.4σ, and measure a branching fraction to be (6.9±0.9±0.6)×10^{-6}. We also report a measurement of local CP asymmetry in this structure.
Language	English
Publishing date	2023-03-03
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.130.181804
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for a Heavy Neutrino in τ Decays at Belle.

Liventsev, D / Adachi, I / Aihara, H / Al Said, S / Asner, D M / Atmacan, H / Ayad, R / Babu, V / Banerjee, Sw / Bauer, M / Behera, P / Belous, K / Bennett, J / Bessner, M / Bilka, T / Biswas, D / Bodrov, D / Bonvicini, G / Borah, J /

Bozek, A / Bračko, M / Branchini, P / Browder, T E / Budano, A / Campajola, M / Červenkov, D / Chang, M-C / Chen, A / Cheon, B G / Cho, H E / Cho, K / Cho, S-J / Choi, S-K / Choi, Y / Choudhury, S / Cinabro, D / Das, S / De Nardo, G / De Pietro, G / Dhamija, R / Di Capua, F / Doležal, Z / Dong, T V / Dossett, D / Epifanov, D / Ferber, T / Ferlewicz, D / Fulsom, B G / Garg, R / Gaur, V / Giri, A / Goldenzweig, P / Graziani, E / Gu, T / Gudkova, K / Hadjivasiliou, C / Han, X / Hara, T / Hayasaka, K / Hayashii, H / Hedges, M T / Herrmann, D / Hernández Villanueva, M / Hsu, C-L / Inami, K / Ipsita, N / Ishikawa, A / Itoh, R / Iwasaki, M / Jacobs, W W / Jang, E-J / Jia, S / Jin, Y / Kaliyar, A B / Kang, K H / Kawasaki, T / Kiesling, C / Kim, C H / Kim, D Y / Kim, K-H / Kim, Y-K / Kodyš, P / Korobov, A / Korpar, S / Kovalenko, E / Križan, P / Krokovny, P / Kumar, M / Kumar, R / Kumara, K / Kwon, Y-J / Lam, T / Lange, J S / Lee, S C / Lewis, P / Li, L K / Li, Y / Li Gioi, L / Libby, J / Lieret, K / Lin, Y-R / Luo, T / Matsuda, T / Matvienko, D / Meier, F / Merola, M / Metzner, F / Miyabayashi, K / Mizuk, R / Mohanty, G B / Mussa, R / Nakamura, I / Nakano, T / Nakao, M / Natkaniec, Z / Natochii, A / Nayak, L / Nayak, M / Nisar, N K / Nishida, S / Ogawa, S / Ono, H / Oskin, P / Pakhlov, P / Pakhlova, G / Pardi, S / Park, H / Park, J / Passeri, A / Patra, S / Paul, S / Pedlar, T K / Pestotnik, R / Piilonen, L E / Podobnik, T / Prencipe, E / Prim, M T / Rostomyan, A / Rout, N / Russo, G / Sandilya, S / Sangal, A / Santelj, L / Savinov, V / Schnell, G / Schueler, J / Schwanda, C / Seino, Y / Senyo, K / Sevior, M E / Shapkin, M / Sharma, C / Shen, C P / Shiu, J-G / Shwartz, B / Simon, F / Sokolov, A / Solovieva, E / Starič, M / Sumihama, M / Sumiyoshi, T / Sutcliffe, W / Takizawa, M / Tamponi, U / Tanida, K / Tenchini, F / Uchida, M / Uehara, S / Uno, S / Usov, Y / van Tonder, R / Varner, G / Varvell, K E / Vinokurova, A / Wang, M-Z / Wang, X L / Watanabe, M / Watanuki, S / Werbycka, O / Won, E / Xu, X / Yabsley, B D / Yan, W / Yang, S B / Yelton, J / Yin, J H / Yuan, C Z / Yuan, L / Zhang, Z P / Zhilich, V / Zhukova, V

Physical review letters

2023 Volume 131, Issue 21, Page(s) 211802

Abstract: We report on a search for a heavy Majorana neutrino in the decays τ^{-}→π^{-}ν_{h}, ν_{h}→π^{±}ℓ^{∓}, ℓ=e, μ. The results are obtained using the full data sample of 988 fb^{-1} collected with the Belle detector at the KEKB asymmetric energy e^{+}e^{-} ... ...

Abstract	We report on a search for a heavy Majorana neutrino in the decays τ^{-}→π^{-}ν_{h}, ν_{h}→π^{±}ℓ^{∓}, ℓ=e, μ. The results are obtained using the full data sample of 988 fb^{-1} collected with the Belle detector at the KEKB asymmetric energy e^{+}e^{-} collider, which contains 912×10^{6} ττ pairs. We observe no significant signal and set 95% CL upper limits on the couplings of the heavy right-handed neutrinos to the conventional standard model left-handed neutrinos in the mass range 0.2-1.6 GeV/c^{2}. This is the first study of a mixed couplings of heavy neutrinos to τ leptons and light-flavor leptons.
Language	English
Publishing date	2023-09-29
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.131.211802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for the Lepton Flavor Violating Decays B^{+}→K^{+}τ^{±}ℓ^{∓} (ℓ=e, μ) at Belle.

Watanuki, S / de Marino, G / Trabelsi, K / Adachi, I / Aihara, H / Asner, D M / Atmacan, H / Aulchenko, V / Aushev, T / Ayad, R / Babu, V / Banerjee, Sw / Bauer, M / Behera, P / Belous, K / Bessner, M / Bhardwaj, V / Bhuyan, B / Biswas, D /

Bodrov, D / Bonvicini, G / Borah, J / Bozek, A / Bračko, M / Branchini, P / Browder, T E / Budano, A / Campajola, M / Cao, L / Červenkov, D / Chang, M-C / Cheon, B G / Chilikin, K / Cho, K / Cho, S-J / Choi, S-K / Choi, Y / Choudhury, S / Cinabro, D / Das, S / De Nardo, G / De Pietro, G / Dhamija, R / Di Capua, F / Dong, T V / Epifanov, D / Ferber, T / Ferlewicz, D / Fulsom, B G / Garg, R / Gaur, V / Garmash, A / Giri, A / Goldenzweig, P / Graziani, E / Gu, T / Guan, Y / Gudkova, K / Hadjivasiliou, C / Halder, S / Han, X / Hara, T / Hayasaka, K / Hayashii, H / Herrmann, D / Hou, W-S / Hsu, C-L / Inami, K / Inguglia, G / Ipsita, N / Ishikawa, A / Itoh, R / Iwasaki, M / Jacobs, W W / Ji, Q P / Jia, S / Jin, Y / Joo, K K / Kaliyar, A B / Kichimi, H / Kim, C H / Kim, D Y / Kim, K-H / Kim, Y-K / Kinoshita, K / Kodyš, P / Korobov, A / Korpar, S / Kovalenko, E / Križan, P / Krokovny, P / Kuhr, T / Kumar, M / Kumara, K / Kuzmin, A / Kwon, Y-J / Lange, J S / Laurenza, M / Lee, S C / Lewis, P / Li, L K / Li, Y / Li Gioi, L / Libby, J / Lin, Y-R / Liventsev, D / Matsuda, T / Maurya, S K / Meier, F / Merola, M / Metzner, F / Miyabayashi, K / Mizuk, R / Mohanty, G B / Nakao, M / Nayak, L / Nayak, M / Nisar, N K / Nishida, S / Ono, H / Oskin, P / Pakhlova, G / Pardi, S / Park, H / Park, J / Park, S-H / Passeri, A / Pedlar, T K / Pestotnik, R / Piilonen, L E / Podobnik, T / Prencipe, E / Prim, M T / Röhrken, M / Rout, N / Russo, G / Sandilya, S / Sangal, A / Santelj, L / Savinov, V / Schnell, G / Schwanda, C / Seino, Y / Senyo, K / Sevior, M E / Shan, W / Shapkin, M / Shiu, J-G / Shwartz, B / Simon, F / Solovieva, E / Starič, M / Sumihama, M / Sumiyoshi, T / Takizawa, M / Tanida, K / Tenchini, F / Uchida, M / Uglov, T / Unno, Y / Uno, K / Uno, S / van Tonder, R / Varner, G / Varvell, K E / Wang, D / Wang, E / Wang, M-Z / Won, E / Xu, X / Yabsley, B D / Yan, W / Yang, S B / Yelton, J / Yusa, Y / Zhang, Z P / Zhilich, V / Zhukova, V

Physical review letters

2023 Volume 130, Issue 26, Page(s) 261802

Abstract: We present a search for the lepton flavor violating decays B^{+}→K^{+}τ^{±}ℓ^{∓}, with ℓ=(e,μ), using the full data sample of 772×10^{6} BB[over ¯] pairs recorded by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We use events in ... ...

Abstract	We present a search for the lepton flavor violating decays B^{+}→K^{+}τ^{±}ℓ^{∓}, with ℓ=(e,μ), using the full data sample of 772×10^{6} BB[over ¯] pairs recorded by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We use events in which one B meson is fully reconstructed in a hadronic decay mode. We find no evidence for B^{±}→K^{±}τℓ decays and set upper limits on their branching fractions at the 90% confidence level in the (1-3)×10^{-5} range. The obtained limits are the world's best results.
Language	English
Publishing date	2023-01-09
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.130.261802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Evidence of a New Excited Charmed Baryon Decaying to Σ_{c}(2455)^{0,++}π^{±}.

Li, Y B / Shen, C P / Adachi, I / Aihara, H / Asner, D M / Atmacan, H / Aushev, T / Ayad, R / Babu, V / Bahinipati, S / Behera, P / Belous, K / Bennett, J / Bessner, M / Bhardwaj, V / Bhuyan, B / Bilka, T / Bodrov, D / Borah, J /

Bozek, A / Bračko, M / Branchini, P / Browder, T E / Budano, A / Campajola, M / Červenkov, D / Chang, M-C / Chang, P / Cheon, B G / Chilikin, K / Cho, H E / Cho, K / Cho, S-J / Choi, S-K / Choi, Y / Choudhury, S / Cinabro, D / Das, S / De Pietro, G / Dhamija, R / Di Capua, F / Dingfelder, J / Doležal, Z / Dong, T V / Dossett, D / Epifanov, D / Fulsom, B G / Garg, R / Gaur, V / Garmash, A / Giri, A / Goldenzweig, P / Graziani, E / Gu, T / Guan, Y / Gudkova, K / Hadjivasiliou, C / Hayasaka, K / Hayashii, H / Hou, W-S / Hsu, C-L / Iijima, T / Inami, K / Ipsita, N / Ishikawa, A / Itoh, R / Iwasaki, M / Iwasaki, Y / Jacobs, W W / Jang, E-J / Ji, Q P / Jia, S / Jin, Y / Joo, K K / Karyan, G / Kawasaki, T / Kichimi, H / Kiesling, C / Kim, C H / Kim, D Y / Kim, K-H / Kim, Y-K / Kindo, H / Kinoshita, K / Kodyš, P / Konno, T / Korobov, A / Korpar, S / Kovalenko, E / Križan, P / Krokovny, P / Kumar, M / Kumar, R / Kumara, K / Kwon, Y-J / Lam, T / Lange, J S / Laurenza, M / Lee, S C / Li, C H / Li, J / Li, L K / Li, Y / Li Gioi, L / Libby, J / Lieret, K / Liventsev, D / Masuda, M / Matsuda, T / Matvienko, D / Maurya, S K / Meier, F / Merola, M / Metzner, F / Miyabayashi, K / Mizuk, R / Mohanty, G B / Nakamura, I / Nakao, M / Natkaniec, Z / Natochii, A / Nayak, L / Niiyama, M / Nisar, N K / Nishida, S / Ogawa, S / Ono, H / Oskin, P / Pakhlov, P / Pakhlova, G / Pardi, S / Park, H / Park, S-H / Patra, S / Paul, S / Pedlar, T K / Pestotnik, R / Piilonen, L E / Podobnik, T / Prencipe, E / Prim, M T / Rout, N / Russo, G / Sandilya, S / Santelj, L / Savinov, V / Schnell, G / Schueler, J / Schwanda, C / Seino, Y / Senyo, K / Sevior, M E / Shapkin, M / Sharma, C / Shiu, J-G / Singh, J B / Sokolov, A / Solovieva, E / Starič, M / Stottler, Z S / Sumihama, M / Sumiyoshi, T / Sutcliffe, W / Takizawa, M / Tamponi, U / Tanida, K / Tenchini, F / Trabelsi, K / Tsuboyama, T / Uchida, M / Uglov, T / Unno, Y / Uno, S / Usov, Y / van Tonder, R / Varner, G / Varvell, K E / Waheed, E / Wang, E / Wang, M-Z / Watanabe, M / Watanuki, S / Werbycka, O / Wiechczynski, J / Won, E / Yabsley, B D / Yan, W / Yang, S B / Yelton, J / Yin, J H / Yuan, C Z / Yusa, Y / Zhai, Y / Zhang, Z P / Zhilich, V / Zhukova, V

Physical review letters

2023 Volume 130, Issue 3, Page(s) 31901

Abstract: We present the study of B[over ¯]^{0}→Σ_{c}(2455)^{0,++}π^{±}p[over ¯] decays based on 772×10^{6} BB[over ¯] events collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. The Σ_{c}(2455)^{0,++} candidates are reconstructed ... ...

Abstract	We present the study of B[over ¯]^{0}→Σ_{c}(2455)^{0,++}π^{±}p[over ¯] decays based on 772×10^{6} BB[over ¯] events collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. The Σ_{c}(2455)^{0,++} candidates are reconstructed via their decay to Λ_{c}^{+}π^{∓} and Λ_{c}^{+} decays to pK^{-}π^{+}, pK_{S}^{0}, and Λπ^{+} final states. The corresponding branching fractions are measured to be B(B[over ¯]^{0}→Σ_{c}(2455)^{0}π^{+}p[over ¯])=(1.09±0.06±0.07)×10^{-4} and B(B[over ¯]^{0}→Σ_{c}(2455)^{++}π^{-}p[over ¯])=(1.84±0.11±0.12)×10^{-4}, which are consistent with the world average values with improved precision. A new structure is found in the M_{Σ_{c}(2455)^{0,++}π^{±}} spectrum with a significance of 4.2σ including systematic uncertainty. The structure is possibly an excited Λ_{c}^{+} and is tentatively named Λ_{c}(2910)^{+}. Its mass and width are measured to be (2913.8±5.6±3.8) MeV/c^{2} and (51.8±20.0±18.8) MeV, respectively. The products of branching fractions for the Λ_{c}(2910)^{+} are measured to be B(B[over ¯]^{0}→Λ_{c}(2910)^{+}p[over ¯])×B(Λ_{c}(2910)^{+}→Σ_{c}(2455)^{0}π^{+})=(9.5±3.6±1.6)×10^{-6} and B(B[over ¯]^{0}→Λ_{c}(2910)^{+}p[over ¯])×B(Λ_{c}(2910)^{+}→Σ_{c}(2455)^{++}π^{-})=(1.24±0.35±0.10)×10^{-5}. Here, the first and second uncertainties are statistical and systematic, respectively.
Language	English
Publishing date	2023-02-10
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.130.031901
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: First Observation of Λπ^{+} and Λπ^{-} Signals near the K[over ¯]N(I=1) Mass Threshold in Λ_{c}^{+}→Λπ^{+}π^{+}π^{-} Decay.

Ma, Y / Yelton, J / Tanida, K / Adachi, I / Ahn, J K / Aihara, H / Al Said, S / Asner, D M / Atmacan, H / Aushev, T / Ayad, R / Babu, V / Bahinipati, S / Banerjee, Sw / Behera, P / Belous, K / Bennett, J / Bessner, M / Bhuyan, B /

Bilka, T / Biswas, D / Bobrov, A / Bodrov, D / Borah, J / Bozek, A / Bračko, M / Branchini, P / Browder, T E / Budano, A / Campajola, M / Červenkov, D / Chang, M-C / Chen, A / Cheon, B G / Chilikin, K / Cho, H E / Cho, K / Cho, S-J / Choi, S-K / Choi, Y / Choudhury, S / Cinabro, D / Das, S / De Nardo, G / De Pietro, G / Dhamija, R / Di Capua, F / Dingfelder, J / Doležal, Z / Dong, T V / Epifanov, D / Ferber, T / Ferlewicz, D / Fulsom, B G / Garg, R / Gaur, V / Garmash, A / Giri, A / Goldenzweig, P / Golob, B / Graziani, E / Gudkova, K / Hadjivasiliou, C / Halder, S / Hayasaka, K / Hayashii, H / Hedges, M T / Hou, W-S / Hsu, C-L / Inami, K / Ipsita, N / Ishikawa, A / Itoh, R / Iwasaki, M / Jacobs, W W / Jang, E-J / Jia, S / Jin, Y / Kaliyar, A B / Kang, K H / Kawasaki, T / Kiesling, C / Kim, C H / Kim, D Y / Kim, Y-K / Kinoshita, K / Kodyš, P / Korobov, A / Korpar, S / Kovalenko, E / Križan, P / Krokovny, P / Kumar, R / Kumara, K / Kwon, Y-J / Lam, T / Lange, J S / Lee, S C / Lewis, P / Li, L K / Li, Y / Li Gioi, L / Libby, J / Lieret, K / Lin, Y-R / Liventsev, D / Luo, T / Masuda, M / Matsuda, T / Matvienko, D / Maurya, S K / Meier, F / Merola, M / Metzner, F / Miyabayashi, K / Mohanty, G B / Mussa, R / Nakamura, I / Nakano, T / Nakao, M / Natkaniec, Z / Natochii, A / Nayak, L / Nayak, M / Nisar, N K / Nishida, S / Ogawa, S / Ono, H / Oskin, P / Pakhlov, P / Pakhlova, G / Pardi, S / Park, H / Park, J / Patra, S / Paul, S / Pestotnik, R / Piilonen, L E / Podobnik, T / Prencipe, E / Prim, M T / Rostomyan, A / Rout, N / Russo, G / Sandilya, S / Santelj, L / Savinov, V / Schnell, G / Schueler, J / Schwanda, C / Seino, Y / Senyo, K / Sevior, M E / Shan, W / Shapkin, M / Sharma, C / Shen, C P / Shiu, J-G / Simon, F / Sokolov, A / Solovieva, E / Starič, M / Sumihama, M / Sumiyoshi, T / Sutcliffe, W / Takizawa, M / Tamponi, U / Tenchini, F / Uchida, M / Uehara, S / Uglov, T / Unno, Y / Uno, K / Uno, S / Urquijo, P / Usov, Y / Vahsen, S E / van Tonder, R / Varner, G / Vinokurova, A / Vossen, A / Wang, D / Wang, M-Z / Watanabe, M / Watanuki, S / Werbycka, O / Won, E / Xu, X / Yabsley, B D / Yan, W / Yang, S B / Yin, J H / Yuan, C Z / Yuan, L / Zhang, Z P / Zhilich, V / Zhukova, V

Physical review letters

2023 Volume 130, Issue 15, Page(s) 151903

Abstract: Using the data sample of 980 fb^{-1} collected with the Belle detector operating at the KEKB asymmetric-energy e^{+}e^{-} collider, we present the results of an investigation of the Λπ^{+} and Λπ^{-} invariant mass distributions looking for substructure ...

Abstract	Using the data sample of 980 fb^{-1} collected with the Belle detector operating at the KEKB asymmetric-energy e^{+}e^{-} collider, we present the results of an investigation of the Λπ^{+} and Λπ^{-} invariant mass distributions looking for substructure in the decay Λ_{c}^{+}→Λπ^{+}π^{+}π^{-}. We find a significant signal in each mass distribution. When interpreted as resonances, we find for the Λπ^{+} (Λπ^{-}) combination a mass of 1434.3±0.6(stat)±0.9(syst) MeV/c^{2} [1438.5±0.9(stat)±2.5(syst) MeV/c^{2}], an intrinsic width of 11.5±2.8(stat)±5.3(syst) MeV/c^{2} [33.0±7.5(stat)±23.6(syst) MeV/c^{2}] with a significance of 7.5σ (6.2σ). As these two signals are very close to the K[over ¯]N threshold, we also investigate the possibility of a K[over ¯]N cusp, and find that we cannot discriminate between these two interpretations due to the limited size of the data sample.
Language	English
Publishing date	2023-04-28
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.130.151903
Database	MEDical Literature Analysis and Retrieval System OnLINE

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