학술논문

Search for the decay $B^0_s \rightarrow \pi^0 \pi^0$ at Belle
Document Type
Working Paper
Author
Belle CollaborationBorah, J.Bhuyan, B.Adachi, I.Aihara, H.Asner, D. M.Aulchenko, V.Aushev, T.Ayad, R.Babu, V.Bahinipati, S.Banerjee, Sw.Behera, P.Belous, K.Bennett, J.Bessner, M.Bhardwaj, V.Bilka, T.Biswas, D.Bodrov, D.Bozek, A.Bračko, M.Branchini, P.Browder, T. E.Budano, A.Campajola, M.Červenkov, D.Chang, M. C.Chekelian, V.Chen, C.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.Ferlewicz, D.Frey, A.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.Hara, T.Hayasaka, K.Hayashii, H.Hedges, M. T.Herrmann, D.Villanueva, M. HernándezHou, W. S.Hsu, C. L.Iijima, T.Inami, K.Inguglia, G.Ipsita, N.Ishikawa, A.Itoh, R.Iwasaki, M.Jacobs, W. W.Jang, E. J.Ji, Q. P.Jin, Y.Joo, K. K.Kalita, D.Kaliyar, A. B.Kang, K. H.Kawasaki, T.Kichimi, 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.Križan, P.Krokovny, P.Kuhr, T.Kumar, M.Kumar, R.Kumara, K.Kwon, Y. J.Lalwani, K.Lam, T.Lange, J. S.Laurenza, M.Lee, S. C.Levit, D.Li, L. K.Li, Y.Gioi, L. LiLibby, J.Lin, Y. R.Liventsev, D.Luo, T.Masuda, M.Matvienko, D.Maurya, S. K.Meier, F.Merola, M.Metzner, F.Miyabayashi, K.Mizuk, R.Mohanty, G. B.Mussa, R.Nakamura, I.Nakao, M.Narwal, D.Natkaniec, Z.Natochii, A.Nayak, L.Nisar, N. K.Nishida, S.Ogawa, K.Ogawa, S.Ono, H.Onuki, Y.Oskin, P.Pakhlov, P.Pakhlova, G.Pang, T.Pardi, S.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.Röhrken, M.Rostomyan, A.Russo, G.Sakai, Y.Sandilya, S.Santelj, L.Savinov, V.Schnell, G.Schwanda, C.Schwartz, A. J.Seino, Y.Senyo, K.Sevior, M. E.Shan, W.Shapkin, M.Sharma, C.Shen, C. P.Shiu, J. G.Simon, F.Singh, J. B.Sokolov, A.Solovieva, E.Starič, M.Stottler, Z. S.Sumihama, M.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Trabelsi, K.Uchida, M.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Vahsen, S. E.van Tonder, R.Varner, G.Varvell, K. E.Vinokurova, A.Vossen, A.Wang, D.Wang, M. Z.Watanabe, M.Won, E.Xu, X.Yabsley, B. D.Yan, W.Yang, S. B.Yelton, J.Yin, J. H.Yook, Y.Yuan, C. Z.Yuan, L.Yusa, Y.Zhang, Z. P.Zhilich, V.Zhukova, V.
Source
Phys.Rev.D 107 (2023) 5, L051101
Subject
High Energy Physics - Experiment
Language
Abstract
We report the results of the first search for the decay $B_s^0\rightarrow\pi^0\pi^0$ using $121.4\ \rm fb^{-1}$ of data collected at the $\Upsilon(5\rm S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We observe no signal and set a 90\% confidence level upper limit of $7.7\times 10^{-6}$ on the $B_s^0\rightarrow\pi^0\pi^0$ decay branching fraction.