{"paper":{"title":"First search for the weak radiative decays $\\Lambda_c^+ \\to \\Sigma^+ \\gamma$ and $\\Xi_c^0 \\to \\Xi^0 \\gamma$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. Bobrov, A. Bozek, A. Budano, A. Garmash, A. Giri, A. Ishikawa, A. Korobov, A. Natochii, A. Sangal, A. Vinokurova, B. Bhuyan, B. D. Yabsley, Belle Collaboration: Y. Li, B. G. Cheon, B. G. Fulsom, C. Hadjivasiliou, C. H. Kim, C. H. Li, C. Kiesling, C.-L. Hsu, C. P. Shen, C. Schwanda, C. Sharma, C. Z. Yuan, D. Bodrov, D. Cinabro, D. Dossett, D. Epifanov, D. Ferlewicz, D. Liventsev, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Graziani, E.-J. Jang, E. Kovalenko, E. Prencipe, E. Solovieva, E. Waheed, E. Wang, E. Won, F. Di Capua, F. Meier, F. Metzner, F. Tenchini, G. Bonvicini, G. De Pietro, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, H. E. Cho, H. Hayashii, H. Ono, H. Park, I. Adachi, I. Nakamura, J. Bennett, J. Borah, J. B. Singh, J. Dingfelder, J.-G. Shiu, J. H. Yin, J. Li, J. Libby, J. Schueler, J. S. Lange, J. Yelton, K. Belous, K. Chilikin, K. Cho, K. E. Varvell, K. Gudkova, K. Hayasaka, K. H. Kang, K.-H. Kim, K. Inami, K. Kinoshita, K. K. Joo, K. Kumara, K. Lieret, K. Miyabayashi, K. Senyo, K. Tanida, K. Trabelsi, 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. E. Sevior, M. Iwasaki, M. Kumar, M. Laurenza, M. Masuda, M. Merola, M. Mrvar, M. Nakao, M. Nayak, M. Shapkin, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Prim, M. Uchida, M. Watanabe, M.-Z. Wang, N. Dash, N. Ipsita, N. K. Nisar, N. Rout, O. Werbycka, P. Behera, P. Branchini, P. Chang, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Oskin, P. Pakhlov, Q. P. Ji, R. Dhamija, R. Garg, R. Itoh, R. Kumar, R. Mizuk, R. Pestotnik, R. van Tonder, S. B. Yang, S. Choudhury, S. C. Lee, S. Das, S.-H. Park, S.-J. Cho, S. Jia, S.-K. Choi, S. K. Maurya, S. Korpar, S. Nishida, S. Ogawa, S. Pardi, S. Patra, S. Paul, S. Sandilya, S. Uno, S. Watanuki, T. Aushev, T. Bilka, T. E. Browder, T. Gu, T. Iijima, T. K. Pedlar, T. Lam, T. Matsuda, T. Podobnik, T. Sumiyoshi, T. Tsuboyama, T. V. Dong, U. Tamponi, V. Aulchenko, V. Babu, V. Bhardwaj, V. Gaur, V. Savinov, V. Zhilich, V. Zhukova, W.-S. Hou, W. W. Jacobs, W. Yan, Y. B. Li, Y. Choi, Y. Jin, Y.-J. Kwon, Y.-K. Kim, Y. Seino, Y. Unno, Y. Yusa, Y. Zhai, Z. Dole\\v{z}al, Z. Natkaniec, Z. P. Zhang, Z. S. Stottler","submitted_at":"2022-06-25T00:16:18Z","abstract_excerpt":"We present the first search for the weak radiative decays $\\Lambda_c^+ \\to \\Sigma^+ \\gamma$ and $\\Xi_c^0 \\to \\Xi^0 \\gamma$ using a data sample of 980~fb$^{-1}$ collected by the Belle detector operating at the KEKB asymmetric-energy $e^+e^-$ collider. There are no evident $\\Lambda_c^+ \\to \\Sigma^+ \\gamma$ or $\\Xi_c^0 \\to \\Xi^0 \\gamma$ signals. Taking the decays $\\Lambda_c^+ \\to p K^- \\pi^+$ and $\\Xi_c^0 \\to \\Xi^- \\pi^+$ as normalization channels, the upper limits at 90\\% credibility level on the ratios of branching fractions ${\\cal B}(\\Lambda_c^+ \\to \\Sigma^+ \\gamma)/{\\cal B}(\\Lambda_c^+ \\to p "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.12517","kind":"arxiv","version":3},"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/2206.12517/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"}