$B^0\to p\bar{p}\pi^0$ 衰变的证据
高能物理 - 实验
2019-06-05 v1
摘要
我们报告了对无粲重子衰变 的寻找，数据样本对应于 711~ 的积分光度，包含 对 。数据由在 KEKB 对撞机上运行于 共振态的 Belle 实验收集。我们测得的分支比为 ，其中第一个不确定度为统计不确定度，第二个为系统不确定度。该信号的显著性为 3.1 个标准差，构成了该衰变模式的首次证据。我们还寻找了中间两体衰变 和 ，并设置了分支比的上限：在 90% 置信水平下 。
引用
@article{arxiv.1904.05713,
title = {Evidence for the decay $B^0\to p\bar{p}\pi^0$},
author = {Belle Collaboration and B. Pal and I. Adachi and K. Adamczyk and H. Aihara and D. M. Asner and H. Atmacan and V. Aulchenko and T. Aushev and R. Ayad and V. Babu and I. Badhrees and V. Bansal and P. Behera and C. Beleño and M. Berger and V. Bhardwaj and B. Bhuyan and T. Bilka and J. Biswal and A. Bobrov and A. Bozek and M. Bračko and T. E. Browder and M. Campajola and L. Cao and D. Červenkov and V. Chekelian and A. Chen and B. G. Cheon and K. Chilikin and K. Cho and S. -K. Choi and Y. Choi and D. Cinabro and S. Cunliffe and S. Di Carlo and Z. Doležal and T. V. Dong and D. Dossett and S. Eidelman and D. Epifanov and J. E. Fast and T. Ferber and B. G. Fulsom and R. Garg and V. Gaur and N. Gabyshev and A. Garmash and A. Giri and P. Goldenzweig and Y. Guan and J. Haba and T. Hara and K. Hayasaka and H. Hayashii and W. -S. Hou and C. -L. Hsu and T. Iijima and K. Inami and A. Ishikawa and R. Itoh and Y. Iwasaki and W. W. Jacobs and S. Jia and Y. Jin and D. Joffe and K. K. Joo and A. B. Kaliyar and G. Karyan and H. Kichimi and C. Kiesling and C. H. Kim and D. Y. Kim and K. T. Kim and S. H. Kim and K. Kinoshita and P. Kodyš and S. Korpar and D. Kotchetkov and P. Križan and R. Kroeger and P. Krokovny and R. Kulasiri and Y. -J. Kwon and J. Y. Lee and S. C. Lee and L. K. Li and Y. B. Li and L. Li Gioi and J. Libby and D. Liventsev and P. -C. Lu and T. Luo and J. MacNaughton and C. MacQueen and M. Masuda and T. Matsuda and D. Matvienko and M. Merola and K. Miyabayashi and H. Miyata and R. Mizuk and G. B. Mohanty and M. Nakao and K. J. Nath and M. Nayak and N. K. Nisar and S. Nishida and K. Nishimura and S. Ogawa and H. Ono and Y. Onuki and P. Pakhlov and G. Pakhlova and S. Pardi and S. -H. Park and S. Patra and S. Paul and T. K. Pedlar and R. Pestotnik and L. E. Piilonen and V. Popov and E. Prencipe and A. Rostomyan and G. Russo and Y. Sakai and M. Salehi and S. Sandilya and T. Sanuki and V. Savinov and O. Schneider and G. Schnell and J. Schueler and C. Schwanda and A. J. Schwartz and Y. Seino and K. Senyo and M. E. Sevior and C. P. Shen and J. -G. Shiu and F. Simon and A. Sokolov and E. Solovieva and M. Starič and Z. S. Stottler and J. F. Strube and T. Sumiyoshi and W. Sutcliffe and M. Takizawa and U. Tamponi and K. Tanida and F. Tenchini and M. Uchida and T. Uglov and S. Uno and P. Urquijo and R. Van Tonder and G. Varner and A. Vinokurova and B. Wang and C. H. Wang and M. -Z. Wang and P. Wang and M. Watanabe and S. Watanuki and E. Won and S. B. Yang and H. Ye and J. Yelton and Y. Yusa and J. Zhang and Z. P. Zhang and V. Zhilich and V. Zhukova},
journal= {arXiv preprint arXiv:1904.05713},
year = {2019}
}
备注
8 pages, 3 figures, Submitted to Phys. Rev. D (RC)