학술논문

Study of $B^+ \rightarrow p \overline{n} \pi^0$
Document Type
Working Paper
Author
Belle CollaborationChu, K. -N.Lin, Y. -R.Wang, M. -Z.Adachi, I.Adamczyk, K.Aihara, H.Said, S. AlAsner, D. M.Atmacan, H.Aulchenko, V.Aushev, T.Ayad, R.Babu, V.Banerjee, Sw.Behera, P.Belous, K.Bennett, J.Bessner, M.Bhardwaj, V.Bhuyan, B.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.Chang, P.Chen, A.Cheon, B. G.Chilikin, K.Cho, H. E.Cho, K.Cho, S. -J.Choi, S. -K.Choi, Y.Choudhury, S.Cinabro, D.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.Gaur, V.Garmash, A.Giri, A.Goldenzweig, P.Golob, B.Graziani, E.Gu, T.Gudkova, K.Hadjivasiliou, C.Halder, S.Han, X.Hayasaka, K.Hayashii, H.Hou, W. -S.Hsu, C. -L.Huang, K.Iijima, T.Inami, K.Ipsita, N.Ishikawa, A.Itoh, R.Iwasaki, M.Jacobs, W. W.Jang, E. -J.Jin, Y.Joo, K. K.Kalita, D.Kaliyar, A. B.Kawasaki, T.Kiesling, C.Kim, C. H.Kim, D. Y.Kim, K. -H.Kim, Y. -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.Lai, Y. -T.Lam, T.Lange, J. S.Lee, S. C.Li, C. H.Li, J.Li, L. K.Li, S. X.Li, Y.Li, Y. B.Gioi, L. LiLibby, J.Lieret, K.Liventsev, D.Luo, T.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.Nisar, N. K.Nishida, S.Onuki, Y.Oskin, P.Pakhlov, P.Pakhlova, G.Pardi, S.Park, H.Park, J.Passeri, A.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.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.Simon, F.Sokolov, A.Solovieva, E.Starič, M.Stottler, Z. S.Strube, J. F.Sumihama, M.Sumisawa, K.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Trabelsi, K.Uchida, M.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Vahsen, S. E.van Tonder, R.Varner, G.Varvell, K. E.Vinokurova, A.Vossen, A.Watanuki, S.Won, E.Xu, X.Yabsley, B. D.Yan, W.Yang, S. B.Yelton, J.Yin, J. H.Yuan, C. Z.Yuan, L.Yusa, Y.Zhang, Z. P.Zhilich, V.Zhukova, V.
Source
Subject
High Energy Physics - Experiment
Language
Abstract
We search for the tree-diagram dominated process $B^+ \rightarrow p \overline{n} \pi^0$, using a data sample of $772 \times 10^6~B\overline B$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. This is the first search with the Belle detector for a decay mode including an anti-neutron. No significant signal is observed and an $90\%$ credible upper limit on the branching fraction is set at $6.1\times10^{-6}$.
Comment: 5 pages, 2 figures, 1 table. To be submitted to PRD. arXiv admin note: text overlap with arXiv:1912.05999