First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λ_{c}^{+}→pK^{+}π^{-}.

Published

Journal Article

We report the first observation of the decay Λ_{c}^{+}→pK^{+}π^{-} using a 980  fb^{-1} data sample collected by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. This is the first observation of a doubly Cabibbo-suppressed decay of a charmed baryon. We measure the branching ratio of this decay with respect to its Cabibbo-favored counterpart to be B(Λ_{c}^{+}→pK^{+}π^{-})/B(Λ_{c}^{+}→pK^{-}π^{+})=(2.35±0.27±0.21)×10^{-3}, where the uncertainties are statistical and systematic, respectively.

Full Text

Duke Authors

Cited Authors

  • Yang, SB; Tanida, K; Kim, BH; Adachi, I; Aihara, H; Asner, DM; Aulchenko, V; Aushev, T; Babu, V; Badhrees, I; Bakich, AM; Barberio, E; Bhardwaj, V; Bhuyan, B; Biswal, J; Bonvicini, G; Bozek, A; Bračko, M; Browder, TE; Červenkov, D; Chekelian, V; Chen, A; Cheon, BG; 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, JE; Ferber, T; Fulsom, BG; Gabyshev, N; Garmash, A; Gaur, V; Gillard, R; Goh, YM; 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, WW; Jaegle, I; Jeon, HB; Joo, KK; Julius, T; Kang, KH; Kato, E; Katrenko, P; Kiesling, C; Kim, DY; Kim, HJ; Kim, JB; Kim, KT; Kim, MJ; Kim, SH; Kim, SK; Kim, YJ; Kinoshita, K; Kobayashi, N; Kodyš, P; Korpar, S; Križan, P; Krokovny, P; Kuhr, T; Kuzmin, A; Kwon, Y-J; Lange, JS; Lee, IS; Li, CH; 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, GB; Moll, A; Moon, HK; Mussa, R; Nakano, E; Nakao, M; Nanut, T; Nath, KJ; Nayak, M; Negishi, K; Niiyama, M; Nisar, NK; Nishida, S; Ogawa, S; Okuno, S; Olsen, SL; Pakhlova, G; Pal, B; Park, CW; Park, H; Pedlar, TK; Pestotnik, R; Petrič, M; Piilonen, LE; Pulvermacher, C; Rauch, J; Ritter, M; Rostomyan, A; Ryu, S; Sahoo, H; Sakai, Y; Sandilya, S; Santelj, L; Sanuki, T; Sato, Y; Savinov, V; Schlüter, T; Schneider, O; Schnell, G; Schwanda, C; Schwartz, AJ; Seino, Y; Senyo, K; Seon, O; Seong, IS; Sevior, ME; 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, KE; Vinokurova, A; Vossen, A; Wagner, MN; Wang, CH; Wang, M-Z; Wang, P; Wang, XL; Watanabe, Y; Williams, KM; Won, E; Yamaoka, J; Yashchenko, S; Ye, H; Yelton, J; Yuan, CZ; Yusa, Y; Zhang, ZP; Zhilich, V; Zhulanov, V; Zupanc, A; Belle Collaboration,

Published Date

  • July 2016

Published In

Volume / Issue

  • 117 / 1

Start / End Page

  • 011801 -

PubMed ID

  • 27419562

Pubmed Central ID

  • 27419562

Electronic International Standard Serial Number (EISSN)

  • 1079-7114

International Standard Serial Number (ISSN)

  • 0031-9007

Digital Object Identifier (DOI)

  • 10.1103/physrevlett.117.011801

Language

  • eng