{"paper":{"title":"Observation of $\\Omega(2012)^- \\to \\Xi(1530)\\bar{K}$ and measurement of the effective couplings of $\\Omega(2012)^-$ to $\\Xi(1530)\\bar{K}$ and $\\Xi\\bar{K}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. Budano, A. Garmash, A. Giri, A. Ishikawa, A. Korobov, A. Natochii, A. Sokolov, B. D. Yabsley, Belle Collaboration: S. Jia, B. G. Cheon, B. G. Fulsom, C. Hadjivasiliou, C. Kiesling, C. P. Shen, C. Schwanda, C. Z. Yuan, D. Biswas, D. Epifanov, D. Ferlewicz, D. Greenwald, D. Herrmann, D. Liventsev, D. M. Asner, D. Matvienko, D. Y. Kim, E. Graziani, E. Kovalenko, E. Prencipe, E. Solovieva, E. Won, F. Di Capua, F. Meier, F. Tenchini, G. De Pietro, G. Pakhlova, G. Russo, G. Schnell, H. Aihara, H. Atmacan, H. E. Cho, J. Bennett, J. Dingfelder, J.-G. Shiu, J. H. Yin, J. K. Ahn, J. Park, J. Yelton, K. Gudkova, K.-H. Kim, K. Kinoshita, K. K. Joo, K. Kumara, K. Senyo, K. Tanida, L. E. Piilonen, L. K. Li, L. Yuan, M. Bessner, M. Bra\\v{c}ko, M. Campajola, M.-C. Chang, M. Iwasaki, M. Masuda, M. Merola, M. Nakao, M. Niiyama, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Prim, M.-Z. Wang, N. Ipsita, P. Branchini, P. Ecker, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Pakhlov, P. Urquijo, R. Ayad, R. Dhamija, R. Itoh, R. Kumar, R. Mizuk, R. Mussa, R. Pestotnik, S. Bahinipati, S. Choudhury, S.-K. Choi, S. K. Maurya, S. Nishida, S. Pardi, S. Sandilya, S. Uno, Sw. Banerjee, S. X. Li, T. Ferber, T. K. Pedlar, T. Kumita, T. Lam, T. Podobnik, U. Tamponi, V. Gaur, V. Zhilich, V. Zhukova, W. Shan, 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. Usov, Z. P. Zhang","submitted_at":"2022-07-07T05:08:11Z","abstract_excerpt":"Using $\\Upsilon(1S)$, $\\Upsilon(2S)$, and $\\Upsilon(3S)$ data collected by the Belle detector, we discover a new three-body decay, $\\Omega(2012)^-\\to\\Xi(1530)\\bar K\\to\\Xi\\pi\\bar K$, with a significance of 5.2~$\\sigma$. The mass of the $\\Omega(2012)^-$ is $(2012.5\\pm0.7\\pm0.5)$ MeV and its effective couplings to $\\Xi(1530)\\bar{K}$ and $\\Xi\\bar{K}$ are $(39^{+31}_{-39}\\pm9)\\times10^{-2}$ and $(1.7\\pm0.3\\pm0.3)\\times10^{-2}$, where the first uncertainties are statistical and the second are systematic. The ratio of the branching fraction for the three-body decay to that for the two-body decay to $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.03090","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/2207.03090/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"}