{"paper":{"title":"Measurements of the branching fractions of the semileptonic decays $\\Xi_{c}^{0} \\to \\Xi^{-} \\ell^{+} \\nu_{\\ell}$ and the asymmetry parameter of $\\Xi_{c}^{0} \\to \\Xi^{-} \\pi^{+}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. Bozek, A. Chen, A. Garmash, A. Giri, A. Ishikawa, A. Korobov, A. Kuzmin, A. Natochii, A. Rostomyan, A. Sokolov, A. Vinokurova, A. Vossen, B. Bhuyan, Belle Collaboration: Y. B. Li, B. G. Cheon, B. G. Fulsom, 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. Liventsev, D. M. Asner, D. Matvienko, D. Sahoo, D. \\v{C}ervenkov, D. Y. Kim, E. Kovalenko, E. Prencipe, E. Solovieva, E. Won, F. Di Capua, F. Metzner, F. Tenchini, G. B. Mohanty, G. Bonvicini, G. De Nardo, G. Karyan, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, 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. Libby, J. S. Lange, J. T. McNeil, K. Adamczyk, K. Chilikin, K. Cho, K. Gudkova, K. Hayasaka, K. H. Kang, K.-H. Kim, K. Kinoshita, K. K. Joo, K. Kumara, K. Lalwani, K. Lieret, K. Nishimura, K. Senyo, K. Tanida, K. Uno, L. E. Piilonen, L. K. Li, L. Li Gioi, L. Nayak, L. Santelj, M. Bessner, M. Bra\\v{c}ko, M. Campajola, M.-C. Chang, M. Hernandez Villanueva, M. Iwasaki, M. Kumar, M. Masuda, M. Nayak, M. Niiyama, M. R\\\"ohrken, M. Shapkin, M. Stari\\v{c}, M. Sumihama, M. T. Prim, M. Uchida, M. Watanabe, M.-Z. Wang, N. Dash, N. Gabyshev, 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. Wang, R. Ayad, R. Dhamija, R. Garg, R. Itoh, R. Kroeger, R. Kumar, R. Mizuk, R. Mussa, R. Pestotnik, R. van Tonder, S. Al Said, S. B. Yang, S. Choudhury, S. C. Lee, S. Cunliffe, S. Das, S. Eidelman, S. H. Kim, S.-J. Cho, S. Jia, S.-K. Choi, S. Korpar, S. Nishida, S. Ogawa, S. Pardi, S. Patra, S. Paul, S. Sandilya, S. Uehara, S. Uno, S. Watanuki, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. J. Moon, T. Konno, T. K. Pedlar, T. Kuhr, T. Mori, T. Pang, T. Podobnik, T. Sanuki, T. Uglov, T. V. Dong, U. Tamponi, V. Babu, V. Bhardwaj, V. Gaur, V. Popov, V. Savinov, V. Zhilich, V. Zhukova, W. W. Jacobs, W. Yan, X. L. Wang, X. Xu, Y. Choi, Y. Iwasaki, Y. Jin, Y.-J. Kwon, Y. Kato, Y. Onuki, Y. Sakai, Y. Seino, Y. Usov, Z. P. Zhang, Z. S. Stottler","submitted_at":"2021-03-11T06:50:16Z","abstract_excerpt":"Using data samples of 89.5 and 711 fb$^{-1}$ recorded at energies of $\\sqrt{s}=10.52$ and $10.58$ GeV, respectively, with the Belle detector at the KEKB $e^+e^-$ collider, we report measurements of branching fractions of semileptonic decays $\\Xi_{c}^{0} \\to \\Xi^{-} \\ell^{+} \\nu_{\\ell}$ ($\\ell=e$ or $\\mu$) and the $CP$-asymmetry parameter of $\\Xi_{c}^{0} \\to \\Xi^{-} \\pi^{+}$ decay. The branching fractions are measured to be ${\\cal B}(\\Xi_{c}^{0} \\to \\Xi^{-} e^{+} \\nu_{e})=(1.31 \\pm 0.04 \\pm 0.07 \\pm 0.38)\\%$ and ${\\cal B}(\\Xi_{c}^{0} \\to \\Xi^{-} \\mu^{+} \\nu_{\\mu})=(1.27 \\pm 0.06 \\pm 0.10 \\pm 0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.06496","kind":"arxiv","version":4},"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/2103.06496/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"}