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          Institute: MPI für Physik     Collection: YB 2016     Display Documents



ID: 716372.0, MPI für Physik / YB 2016
First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: $\\Lambda^{+}_{c} \\rightarrow p K^{+} \\pi^{-}$
Authors:Yang, S. B.; Tanida, K.; Kim, B. H.; Adachi, I.; Aihara, H.; Asner, D. M.; Aulchenko, V.; Babu, V.; Badhrees, I.; Bakich, A. M.; Barberio, E.; Bhardwaj, V.; Bhuyan, B.; Biswal, J.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E.; Červenkov, D.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Dash, N.; Doležal, Z.; Drásal, Z.; Dutta, D.; Eidelman, S.; Farhat, H.; Fast, J. E.; Ferber, T.; Fulsom, B. G.; Gaur, V.; Gabyshev, N.; Garmash, A.; Gillard, R.; Goh, Y. M.; Goldenzweig, P.; Greenwald, D.; Grygier, J.; Haba, J.; Hamer, P.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hou, W. -S.; Iijima, T.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Jacobs, W. W.; Jaegle, I.; Jeon, H. B.; Joo, K. K.; Julius, T.; Kang, K. H.; Kato, E.; Katrenko, P.; Kiesling, C.; Kim, D. Y.; Kim, H. J.; Kim, J. B.; Kim, K. T.; Kim, M. J.; Kim, S. H.; Kim, S. K.; Kim, Y. J.; Kinoshita, K.; Kobayashi, N.; Kodyš, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kuhr, T.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Lee, I. S.; Li, C. H.; Li, H.; Li, L.; Li, Y.; Li Gioi, L.; Libby, J.; Liventsev, D.; Lubej, M.; Masuda, M.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Moon, H. K.; Mussa, R.; Nakano, E.; Nakao, M.; Nanut, T.; Nath, K. J.; Nayak, M.; Negishi, K.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Olsen, S. L.; Pakhlova, G.; Pal, B.; Park, C. W.; Park, H.; Pedlar, T. K.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Pulvermacher, C.; Rauch, J.; Ritter, M.; Rostomyan, A.; Schneider, O.; Schnell, G.; Schwanda, C.; Schwartz, A. J.; Seino, Y.; Ryu, S.; Sahoo, H.; Sakai, Y.; Sandilya, S.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schlüter, T.; Senyo, K.; Seon, O.; Seong, I. S.; Sevior, M. E.; Shebalin, V.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Simon, F.; Sohn, Y. -S.; Sokolov, A.; Stanič, S.; Starič, M.; Stypula, J.; Sumihama, M.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Teramoto, Y.; Trabelsi, K.; Trusov, V.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Vanhoefer, P.; Varner, G.; Varvell, K. E.; Vinokurova, A.; Vossen, A.; Wagner, M. N.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamaoka, J.; Yashchenko, S.; Ye, H.; Yelton, J.; Yuan, C. Z.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We report the first observation of the decay $\\Lambda^{+}_{c} \\rightarrow p K^{+} \\pi^{-}$ using a 980 $\\mathrm{fb^{-1}}$ data sample collected by the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. This is the first doubly Cabibbo-suppressed decay of a charmed baryon to be observed. We measure the branching ratio of this decay with respect to its Cabibbo-favored counterpart to be $\\mathcal{B}(\\Lambda^{+}_{c} \\rightarrow p K^{+} \\pi^{-})/\\mathcal{B}(\\Lambda^{+}_{c} \\rightarrow p K^{-} \\pi^{+})=(2.35\\pm0.27\\pm0.21)\\times10^{-3}$, where the uncertainties are statistical and systematic, respectively.
Classification / Thesaurus:Belle II
Comment of the Author/Creator:6 pages, 3 figures
Document Type:Article
Communicated by:MPI für Physik
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2015-414
URL:http://inspirehep.net/search?p=find+eprint+1512.07...
URL:http://arxiv.org/abs/1512.07366
URL:http://arXiv.org/abs/arxiv:1512.07366
URL:https://publications.mppmu.mpg.de/?action=search&m...
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