Evidence for the decay $Ω_ c^ 0 → π^ + Ω ( 2012 )^ − → π^ + ( K ¯ Ξ )^ −$
Creators: name: Li, Y.
name: Tang, S. S.
name: Jia, S.
name: Shen, C. P.
name: Adachi, I.
name: Aihara, H.
name: Al Said, S.
name: Asner, D. M.
name: Atmacan, H.
name: Aulchenko, V.
name: Aushev, T.
name: Ayad, R.
name: Babu, V.
name: Bahinipati, S.
name: Behera, P.
name: Bessner, M.
name: Bilka, T.
name: Biswal, J.
name: Bozek, A.
name: Bračko, M.
name: Branchini, P.
name: Browder, T. E.
name: Budano, A.
name: Campajola, M.
name: Červenkov, D.
name: Chang, M.-C.
name: Chang, P.
name: Chekelian, V.
name: Chen, A.
name: Cheon, B. G.
name: Chilikin, K.
name: Cho, H. E.
name: Cho, K.
name: Cho, S.-J.
name: Choi, Y.
name: Choudhury, S.
name: Cinabro, D.
name: Cunliffe, S.
name: Das, S.
name: Dash, N.
name: De Nardo, G.
name: De Pietro, G.
name: Di Capua, F.
name: Doležal, Z.
name: Dong, T. V.
name: Epifanov, D.
name: Ferber, T.
name: Fulsom, B. G.
name: Garg, R.
name: Gaur, V.
name: Giri, A.
name: Goldenzweig, P.
name: Golob, B.
name: Graziani, E.
name: Gu, T.
name: Gudkova, K.
name: Hadjivasiliou, C.
name: Halder, S.
name: Hayasaka, K.
name: Hayashii, H.
name: Hou, W.-S.
name: Inami, K.
name: Ishikawa, A.
name: Iwasaki, M.
name: Iwasaki, Y.
name: Jacobs, W. W.
name: Jang, E.-J.
name: Jin, Y.
name: Joo, K. K.
name: Kang, K. H.
name: Karyan, G.
name: Kiesling, C.
name: Kim, C. H.
name: Kim, D. Y.
name: Kim, K.-H.
name: Kim, S. H.
name: Kim, Y.-K.
name: Kinoshita, K.
name: Kodyš, P.
name: Konno, T.
name: Korobov, A.
name: Korpar, S.
name: Kovalenko, E.
name: Križan, P.
name: Kroeger, R.
name: Krokovny, P.
name: Kuhr, T.
name: Kumar, M.
name: Kumara, K.
name: Kuzmin, A.
name: Kwon, Y.-J.
name: Lalwani, K.
name: Laurenza, M.
name: Lee, S. C.
name: Li, C. H.
name: Li, L. K.
name: Li Gioi, L.
name: Libby, J.
name: Lieret, K.
name: Liventsev, D.
name: Masuda, M.
name: Matsuda, T.
name: Matvienko, D.
name: McNeil, J. T.
name: Merola, M.
name: Miyabayashi, K.
name: Mizuk, R.
name: Mohanty, G. B.
name: Mori, T.
name: Mussa, R.
name: Nakao, M.
name: Natkaniec, Z.
name: Natochii, A.
name: Nayak, L.
name: Nayak, M.
name: Niiyama, M.
name: Nisar, N. K.
name: Nishida, S.
name: Nishimura, K.
name: Ono, H.
name: Onuki, Y.
name: Oskin, P.
name: Pakhlov, P.
name: Pakhlova, G.
name: Pardi, S.
name: Park, S.-H.
name: Passeri, A.
name: Paul, S.
name: Pedlar, T. K.
name: Pestotnik, R.
name: Piilonen, L. E.
name: Podobnik, T.
name: Popov, V.
name: Prencipe, E.
name: Prim, M. T.
name: Rout, N.
name: Russo, G.
name: Sahoo, D.
name: Sakai, Y.
name: Sandilya, S.
name: Sangal, A.
name: Santelj, L.
name: Sanuki, T.
name: Savinov, V.
name: Schnell, G.
name: Schwanda, C.
name: Seino, Y.
name: Senyo, K.
name: Shapkin, M.
name: Sharma, C.
name: Shebalin, V.
name: Shiu, J.-G.
name: Sokolov, A.
name: Solovieva, E.
name: Starič, M.
name: Stottler, Z. S.
name: Sumihama, M.
name: Sumiyoshi, T.
name: Sutcliffe, W.
name: Takizawa, M.
name: Tanida, K.
name: Tenchini, F.
name: Trabelsi, K.
name: Uchida, M.
name: Uglov, T.
name: Unno, Y.
name: Uno, K.
name: Uno, S.
name: Usov, Y.
name: Vahsen, S. E.
name: Van Tonder, R.
name: Varner, G.
name: Vinokurova, A.
name: Waheed, E.
name: Wang, C. H.
name: Wang, E.
name: Wang, M.-Z.
name: Wang, P.
name: Watanuki, S.
name: Werbycka, O.
name: Won, E.
name: Yabsley, B. D.
name: Yan, W.
name: Yang, S. B.
name: Ye, H.
name: Yelton, J.
name: Yin, J. H.
name: Yuan, C. Z.
name: Yusa, Y.
name: Zhang, Z. P.
name: Zhilich, V.
name: Zhukova, V.
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2021
Subjects: subject: 530
subject: electron positron: annihilation
subject: electron positron: colliding beams
subject: Omega/c0: hadronic decay
subject: branching ratio: ratio: measured
subject: Omega/c0: branching ratio
subject: isospin: 2
subject: mass spectrum: (anti-K0 Xi-)
subject: mass spectrum: (K- Xi0)
subject: BELLE
subject: structure
subject: KEK-B
subject: experimental results
subject: Omega/c0 --&gt; pi+ anti-K0 Xi-
subject: Omega/c0 --&gt; pi+ K- Xi0

description: Using a data sample of 980~fb$^{-1}$ collected with the Belle detector operating at the KEKB asymmetric-energy $e^+e^-$ collider, we present evidence for the $\Omega(2012)^-$ in the resonant substructure of $\Omega_{c}^{0} \to \pi^+ (\bar{K}\Xi)^{-}$ ($(\bar{K}\Xi)^{-}$ = $K^-\Xi^0$ + $\bar{K}^0 \Xi^-$) decays. The significance of the $\Omega(2012)^-$ signal is 4.2$\sigma$ after considering the systematic uncertainties. The ratio of the branching fraction of $\Omega_{c}^{0} \to \pi^{+} \Omega(2012)^- \to \pi^+ (\bar{K}\Xi)^{-}$ relative to that of $\Omega_{c}^{0} \to \pi^{+} \Omega^-$ is calculated to be 0.220 $\pm$ 0.059(stat.) $\pm$ 0.035(syst.). The individual ratios of the branching fractions of the two isospin modes are also determined, and found to be ${\cal B}(\Omega_{c}^0 \to \pi^+ \Omega(2012)^-) \times {\cal B}(\Omega(2012)^- \to K^-\Xi^0)/{\cal B}(\Omega_{c}^0 \to \pi^+ K^- \Xi^0)$ = (9.6 $\pm$ 3.2(stat.) $\pm$ 1.8(syst.))\% and ${\cal B}(\Omega_{c}^0 \to \pi^+ \Omega(2012)^-) \times {\cal B}(\Omega(2012)^- \to \bar{K}^0 \Xi^-)/{\cal B}(\Omega_{c}^0 \to \pi^+ \bar{K}^0 \Xi^-)$ = (5.5 $\pm$ 2.8(stat.) $\pm$ 0.7(syst.))\%.