{"paper":{"title":"Measurements of the branching fractions of $\\Lambda_c^+ \\to p \\eta$ and $\\Lambda_c^+ \\to p \\pi^0$ decays at Belle","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. B. Kaliyar, A. Bobrov, A. Bozek, A. Chen, A. Garmash, A. Giri, A. Ishikawa, A. Korobov, A. Kuzmin, A. Natochii, A. Rostomyan, A. Sangal, A. Vossen, B. Bhuyan, B. D. Yabsley, Belle Collaboration: S. X. Li, B. G. Cheon, B. G. Fulsom, B. Golob, B. H. Kim, B. Shwartz, C. Hadjivasiliou, C. H. Kim, C. H. Li, C. H. Wang, C.-L. Hsu, C. P. Shen, C. Schwanda, C. Sharma, C. W. Joo, C. Z. Yuan, D. Cinabro, D. Epifanov, D. Ferlewicz, D. Liventsev, D. M. Asner, D. Matvienko, D. Sahoo, D. \\v{C}ervenkov, D. Y. Kim, E.-J. Jang, E. Kovalenko, E. Prencipe, E. Solovieva, E. Wang, E. Won, F. Bernlochner, F. Di Capua, F. Metzner, F. Tenchini, G. De Nardo, G. Inguglia, G. Karyan, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, H. E. Cho, H. Hayashii, H. Kichimi, H. Ono, H. Park, H. Ye, I. Adachi, I. S. Lee, J. Bennett, J. Biswal, J.-G. Shiu, J. H. Yin, J. K. Ahn, J. Libby, J. Schueler, J. S. Lange, J. Yelton, K. Chilikin, K. Cho, K. Gudkova, K. Hayasaka, K. H. Kang, K.-H. Kim, K. Inami, K. Kinoshita, K. K. Joo, K. Kumara, K. Lalwani, K. Lieret, K. Senyo, K. Tanida, K. Trabelsi, K. Uno, L. Cao, L. E. Piilonen, L. K. Li, L. Li Gioi, L. Nayak, L. Santelj, M. Bessner, M. Bracko, M. Campajola, M.-C. Chang, M. E. Sevior, M. Iwasaki, M. Kumar, M. Masuda, M. Merola, M. Nakao, M. Niiyama, M. R\\\"ohrken, M. Shapkin, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Hedges, M. T. Prim, M. Uchida, M.-Z. Wang, N. Dash, N. K. Nisar, N. Rout, O. Grzymkowska, O. Hartbrich, P. Behera, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Dhamija, R. Garg, R. Itoh, R. Kroeger, R. Mizuk, R. Pestotnik, R. van Tonder, S. Bahinipati, S. B. Yang, S. Choudhury, S. C. Lee, S. Cunliffe, S. Das, S. Eidelman, S. H. Kim, S.-H. Park, S. Jia, S. Korpar, S. Mohanty, S. Nishida, S. Pardi, S. Patra, S. Paul, S. Sandilya, S. Stani\\v{c}, S. Uehara, S. Uno, S. Watanuki, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Iijima, T. Kawasaki, T. Konno, T. K. Pedlar, T. Kuhr, T. Matsuda, T. Mori, T. Pang, T. Podobnik, T. Sanuki, T. Sumiyoshi, T. Uglov, T. V. Dong, V. Babu, V. Bhardwaj, V. Gaur, V. Popov, V. Savinov, V. Shebalin, V. Zhilich, V. Zhukova, V. Zhulanov, W.-S. Hou, W. Sutcliffe, W. W. Jacobs, W. Yan, X. Xu, Y. B. Li, Y. Choi, Y. Iwasaki, Y. Jin, Y.-J. Kwon, Y. Kato, Y.-K. Kim, Y. Onuki, Y. Sakai, Y. Seino, Y. Tao, Y. Yusa, Z. Dole\\v{z}al, Z. Natkaniec, Z. P. Zhang, Z. S. Stottler","submitted_at":"2021-02-24T11:34:26Z","abstract_excerpt":"We report measurements of the branching fractions of singly Cabibbo-suppressed decays $\\Lambda_c^+ \\to p \\eta$ and $\\Lambda_c^+ \\to p \\pi^0$ using the full Belle data sample corresponding to an integrated luminosity of 980.6 $\\rm fb^{-1}$. The data were collected by the Belle detector at the KEKB $e^{+}$$e^{-}$ asymmetric-energy collider. A clear $\\Lambda_c^+$ signal is seen in the invariant mass distribution of $p \\eta$. The signal yield of the $\\Lambda_c^+ \\to p \\eta$ process is $7734 \\pm 263$; from this, we measure the ratio of branching fractions ${\\cal B}(\\Lambda_c^+ \\to p \\eta)/{\\cal B}("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.12226","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.12226/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}