{"paper":{"title":"Evidence for $B^+ \\rightarrow h_c K^+$ and observation of $\\eta_c(2S) \\to p \\bar{p} \\pi^+ \\pi^-$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. B. Kaliyar, A. Bobrov, A. Bondar, A. Bozek, A. Chen, A. Garmash, A. Giri, A. Ishikawa, A. Rostomyan, A. Sokolov, A. Vinokurova, Belle Collaboration: K. Chilikin, B. G. Cheon, B. G. Fulsom, B. Pal, B. Shwartz, B. Wang, C. Bele\\~no, C. H. Kim, C. H. Wang, C. Kiesling, C.-L. Hsu, C. MacQueen, C. P. Shen, C. Schwanda, C. Z. Yuan, D. Cinabro, D. Epifanov, D. Joffe, D. Kotchetkov, D. Liventsev, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Solovieva, E. Won, F. Simon, F. Tenchini, G. B. Mohanty, G. Karyan, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Hayashii, H. Ono, H. Park, H. Ye, I. Adachi, I. Badhrees, J. Biswal, J. E. Fast, J. F. Strube, J.-G. Shiu, J. Haba, J. H. Yin, J. K. Lee, J. Libby, J. MacNaughton, J. S. Lange, J. Yelton, J. Y. Lee, J. Zhang, K. Cho, K. Hayasaka, K. Inami, K. J. Nath, K. Kinoshita, K. K. Joo, K. Lalwani, K. Miyabayashi, K. Nishimura, K. Senyo, K. Tanida, K. Trabelsi, L. Cao, L. E. Piilonen, L. K. Li, L. Li Gioi, M. Berger, M. Bra\\v{c}ko, M. Campajola, M. E. Sevior, M. Gelb, M. Iwasaki, M. Masuda, M. Merola, M. Nakao, M. Nayak, M. Niiyama, M. Ritter, M. Salehi, M. Stari\\v{c}, M. Takizawa, M. Uchida, M. Watanabe, M.-Z. Wang, N. Gabyshev, N. K. Nisar, O. Grzymkowska, O. Schneider, P. Behera, P.-C. Lu, P. Goldenzweig, P. Kody\\v{s}, P. Krokovny, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Garg, R. Itoh, R. Kroeger, R. Kulasiri, R. Kumar, R. Mizuk, R. Pestotnik, R. van Tonder, S. B. Yang, S. C. Lee, S. Cunliffe, S. Di Carlo, S. Eidelman, S. H. Kim, S. Jia, S.-K. Choi, S. Korpar, S. Nishida, S. Pardi, S. Patra, S. Paul, S. Sandilya, S. Uno, S. Watanuki, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Hara, T. Julius, T. K. Pedlar, T. Luo, T. Matsuda, T. Mori, T. Sanuki, T. Sumiyoshi, T. V. Dong, U. Tamponi, V. Aulchenko, V. Babu, V. Bansal, V. Bhardwaj, V. Chekelian, V. Gaur, V. Popov, V. Savinov, V. Zhilich, V. Zhukova, W.-S. Hou, W. Sutcliffe, W. W. Jacobs, Y. B. Li, Y. Choi, Y. Iwasaki, Y. Jin, Y.-J. Kwon, Y. Kato, Y. Onuki, Y. Sakai, Y. Seino, Y. Usov, Z. Dole\\v{z}al, Z. P. Zhang, Z. S. Stottler","submitted_at":"2019-03-15T08:53:32Z","abstract_excerpt":"A search for the decays $B^+ \\rightarrow h_c K^+$ and $B^0 \\rightarrow h_c K_S^0$ is performed. Evidence for the decay $B^+ \\rightarrow h_c K^+$ is found; its significance is $4.8\\sigma$. No evidence is found for $B^0 \\rightarrow h_c K_S^0$. The branching fraction for $B^+ \\rightarrow h_c K^+$ is measured to be $(3.7^{+1.0}_{-0.9}{}^{+0.8}_{-0.8}) \\times 10^{-5}$; the upper limit for the $B^0 \\rightarrow h_c K_S^0$ branching fraction is $1.4 \\times 10^{-5}$ at $90\\%$ C.L. In addition, a study of the $p \\bar{p} \\pi^+ \\pi^-$ invariant mass distribution in the channel $B^+ \\to (p \\bar{p} \\pi^+ \\p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.06414","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}