Search for the decay Bs0 →j/ψπ0 at Belle experiment

D. Kumar, B. Bhuyan, H. Aihara, D. M. Asner, T. Aushev, R. Ayad, V. Babu, Sw Banerjee, M. Bauer, P. Behera, K. Belous, J. Bennett, M. Bessner, T. Bilka, D. Biswas, A. Bobrov, D. Bodrov, J. Borah, M. Bračko, P. BranchiniT. E. Browder, A. Budano, M. Campajola, D. Červenkov, M. C. Chang, C. Chen, B. G. Cheon, K. Chilikin, K. Cho, S. K. Choi, Y. Choi, S. Choudhury, S. Das, N. Dash, G. De Nardo, G. De Pietro, R. Dhamija, Z. DoleŽal, T. V. Dong, P. Ecker, D. Epifanov, D. Ferlewicz, B. G. Fulsom, R. Garg, V. Gaur, A. Garmash, A. Giri, P. Goldenzweig, E. Graziani, K. Gudkova, C. Hadjivasiliou, K. Hayasaka, H. Hayashii, S. Hazra, D. Herrmann, W. S. Hou, C. L. Hsu, N. Ipsita, A. Ishikawa, R. Itoh, M. Iwasaki, W. W. Jacobs, S. Jia, Y. Jin, D. Kalita, A. B. Kaliyar, C. Kiesling, C. H. Kim, D. Y. Kim, K. H. Kim, Y. K. Kim, K. Kinoshita, P. Kodyš, A. Korobov, S. Korpar, E. Kovalenko, P. KriŽan, P. Krokovny, T. Kuhr, R. Kumar, K. Kumara, T. Kumita, A. Kuzmin, Y. J. Kwon, T. Lam, S. C. Lee, D. Levit, L. K. Li, Y. Li, Y. B. Li, L. Li Gioi, J. Libby, D. Liventsev, Y. Ma, M. Masuda, T. Matsuda, D. Matvienko, S. K. Maurya, F. Meier, M. Merola, F. Metzner, K. Miyabayashi, R. Mizuk, G. B. Mohanty, R. Mussa, M. Nakao, Z. Natkaniec, A. Natochii, L. Nayak, M. Nayak, S. Nishida, S. Ogawa, H. Ono, P. Pakhlov, G. Pakhlova, S. Pardi, J. Park, S. H. Park, A. Passeri, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, T. Podobnik, M. T. Prim, N. Rout, G. Russo, S. Sandilya, L. Santelj, V. Savinov, G. Schnell, C. Schwanda, Y. Seino, M. E. Sevior, W. Shan, C. Sharma, C. P. Shen, J. G. Shiu, J. B. Singh, E. Solovieva, M. Starič, Z. S. Stottler, M. Sumihama, M. Takizawa, K. Tanida, F. Tenchini, R. Tiwary, T. Uglov, Y. Unno, S. Uno, Y. Ushiroda, S. E. Vahsen, K. E. Varvell, A. Vinokurova, D. Wang, X. L. Wang, S. Watanuki, E. Won, B. D. Yabsley, W. Yan, J. Yelton, J. H. Yin, L. Yuan, Z. P. Zhang, V. Zhilich, V. Zhukova

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Abstract

We have analyzed 121.4 fb-1 of data collected at the ?(5S) resonance by the Belle experiment using the KEKB asymmetric-energy e+e- collider to search for the decay Bs0→J/ψπ0. We observe no signal and report an upper limit on the branching fraction B(Bs0→J/ψπ0) of 1.21×10-5 at 90% confidence level. This result is the most stringent, improving the previous bound by 2 orders of magnitude.

Original languageEnglish
Article number032007
JournalPhysical Review D
Volume109
Issue number3
DOIs
Publication statusPublished - 2024 Feb 1

Bibliographical note

Publisher Copyright:
© 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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