Measurement of branching fractions of hadronic decays of the Ω c 0 baryon

J. Yelton, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, V. Aulchenko, T. Aushev, R. Ayad, T. Aziz, V. Babu, A. M. Bakich, V. Bansal, P. Behera, M. Berger, V. Bhardwaj, J. Biswal, A. Bobrov, A. Bondar, A. BozeKM. Bračko, T. E. Browder, D. Servenkov, M. C. Chang, P. Chang, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, K. Cho, S. K. Choi, Y. Choi, S. Choudhury, D. Cinabro, T. CzanK, N. Dash, S. Di Carlo, Z. Doleal, S. Eidelman, J. E. Fast, T. Ferber, B. G. Fulsom, R. Garg, V. Gaur, N. Gabyshev, A. Garmash, M. Gelb, A. Giri, P. Goldenzweig, D. Greenwald, Y. Guan, E. Guido, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, W. S. Hou, T. Iijima, K. Inami, G. Inguglia, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, H. B. Jeon, Y. Jin, D. Joffe, T. Julius, G. Karyan, T. Kawasaki, H. Kichimi, C. Kiesling, D. Y. Kim, H. J. Kim, J. B. Kim, S. H. Kim, Y. J. Kim, K. Kinoshita, P. Kodyš, S. Korpar, D. Kotchetkov, P. Krian, R. Kroeger, P. Krokovny, T. Kuhr, R. Kulasiri, T. Kumita, A. Kuzmin, Y. J. Kwon, K. Lalwani, J. S. Lange, I. S. Lee, S. C. Lee, L. K. Li, Y. Li, L. Li Gioi, J. Libby, D. Liventsev, M. Lubej, T. Luo, M. Masuda, T. Matsuda, D. Matvienko, M. Merola, K. Miyabayashi, H. Miyata, R. MizuK, G. B. Mohanty, H. K. Moon, T. Mori, R. Mussa, E. Nakano, M. Nakao, T. Nanut, K. J. Nath, M. NayaK, M. Niiyama, N. K. Nisar, S. Nishida, S. Ogawa, S. Okuno, P. Pakhlov, G. Pakhlova, B. Pal, S. Pardi, C. W. ParK, H. ParK, S. Paul, I. Pavelkin, T. K. Pedlar, R. PestotniK, L. E. Piilonen, V. Popov, M. Ritter, G. Russo, Y. Sakai, S. Sandilya, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, Y. Seino, M. E. Sevior, V. Shebalin, C. P. Shen, T. A. Shibata, N. Shimizu, J. G. Shiu, B. Shwartz, J. B. Singh, A. Sokolov, E. Solovieva, M. Starič, J. F. Strube, M. Sumihama, T. Sumiyoshi, K. Suzuki, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, M. Uchida, T. Uglov, Y. Unno, S. Uno, Y. Usov, G. Varner, V. Vorobyev, A. Vossen, E. Waheed, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, Y. Watanabe, E. Widmann, E. Won, H. Ye, C. Z. Yuan, Y. Yusa, S. Zakharov, Z. P. Zhang, V. Zhilich, V. Zhukova, V. Zhulanov, A. Zupanc

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Abstract

Using a data sample of 980 fb-1 of e+e- annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy e+e- collider, we report the results of a study of the decays of the Ωc0 charmed baryon into hadronic final states. We report the most precise measurements to date of the relative branching fractions of the Ωc0 into Ω-π+π0, Ω-π+π-π+, Ξ-K-π+π+, and Ξ0K-π+, as well as the first measurements of the branching fractions of the Ωc0 into Ξ-K̄0π+, Ξ0K̄0, and ΛK̄0K̄0, all with respect to the Ω-π+ decay. In addition, we investigate the resonant substructure of these modes. Finally, we present a limit on the branching fraction for the decay Ωc0→Σ+K-K-π+.

Original languageEnglish
Article number032001
JournalPhysical Review D
Volume97
Issue number3
DOIs
StatePublished - 1 Feb 2018

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