Measurement of the branching fraction of Λ<sub>c</sub><SUP>+</SUP> → <i>p</i>ω decay at Belle

  • Li, S. X.
  • Li, L. K.
  • Shen, C. P.
  • Adachi, I
  • Aihara, H.
  • ... Choi, S-K
  • 외 189명
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초록

Using 980.6 fb(-1) of data collected with the Belle detector operating at the KEKB asymmetric-energy e(+)e(-), we present a measurement of the branching fraction of the singly Cabibbo-suppressed decay Lambda(+)(c) -> p omega. A clear Lambda(+)(c) signal is observed for Lambda(+)(c) -> p omega with a statistical significance of 9.1 standard deviations, and we measure the ratio of branching fractions B(Lambda(+)(c) -> p omega)/Bo(Lambda(+)(c) -> p omega)/B(Lambda(+)(c) -> pK(-)pi(+)) = (1.32 +/- 0.12(stat) +/- 0.10(syst)) x 10(-2), from which we infer the branching fraction, B(Lambda(+)(c) -> p omega) = (8.27 +/- 0.75(stat) +/- 0.62(syst) +/- 0.42(ref) x 10(-4). The first quoted uncertainty is statistical, the second systematic, and the third from the reference mode Lambda(+)(c) -> pK(-) pi(+).

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NONLEPTONIC DECAYSBARYONS
제목
Measurement of the branching fraction of Λ<sub>c</sub><SUP>+</SUP> → <i>p</i>ω decay at Belle
저자
Li, S. X.Li, L. K.Shen, C. P.Adachi, IAihara, H.Al Said, S.Asner, D. M.Aushev, T.Behera, P.Belous, K.Bennett, J.Bessner, M.Bhardwaj, VBhuyan, B.Bilka, T.Biswal, J.Bobrov, A.Bodrov, D.Borah, J.Bozek, A.Bracko, M.Branchini, P.Browder, T. E.Budano, A.Campajola, M.Cervenkov, D.Chang, M-CChang, P.Chen, A.Cheon, B. G.Chilikin, K.Cho, H. E.Cho, K.Cho, S-JChoi, S-KChoi, Y.Choudhury, S.Cinabro, D.Cunliffe, S.Das, S.De Nardo, G.De Pietro, G.Dhamija, R.Di Capua, F.Dolezal, Z.Dong, T., VEpifanov, D.Ferber, T.Fulsom, B. G.Garg, R.Gaur, VGabyshev, N.Giri, A.Goldenzweig, P.Golob, B.Graziani, E.Gu, T.Guan, Y.Gudkova, K.Hadjivasiliou, C.Halder, S.Hartbrich, O.Hayasaka, K.Hayashii, H.Hou, W-SHsu, C-LIijima, T.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jacobs, W. W.Jia, S.Jin, Y.Joo, K. K.Kaliyar, A. B.Kang, K. H.Kato, Y.Kichimi, H.Kim, C. H.Kim, D. Y.Kim, K-HKim, K. T.Kim, Y-KKinoshita, K.Kodys, P.Konno, T.Korobov, A.Korpar, S.Kovalenko, E.Krizan, P.Kroeger, R.Krokovny, P.Kumar, R.Kumara, K.Kwon, Y-JLai, Y-TLange, J. S.Laurenza, M.Lee, S. C.Li, J.Li, Y. B.Li Gioi, L.Libby, J.Lieret, K.Liventsev, D.MacQueen, C.Masuda, M.Matsuda, T.Merola, M.Miyabayashi, K.Mizuk, R.Mussa, R.Nakao, M.Natochii, A.Nayak, L.Nayak, M.Niiyama, M.Nisar, N. K.Nishida, S.Ogawa, S.Ono, H.Oskin, P.Pakhlov, P.Pakhlova, G.Pang, T.Park, H.Park, S-HPatra, S.Paul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Podobnik, T.Popov, VPrencipe, E.Prim, M. T.Rohrken, M.Rostomyan, A.Rout, N.Russo, G.Sahoo, D.Sandilya, S.Santelj, L.Sanuki, T.Savinov, VSchnell, G.Schwanda, C.Seino, Y.Senyo, K.Sevior, M. E.Shapkin, M.Sharma, C.Shiu, J-GSimon, F.Sokolov, A.Solovieva, E.Staric, M.Stottler, Z. S.Strube, J. F.Sumihama, M.Sumiyoshi, T.Sutcliffe, W.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Uchida, M.Uglov, T.Unno, Y.Uno, K.Uno, S.Urquijo, P.Usov, Y.Vahsen, S. E.Van Tonder, R.Varner, G.Vinokurova, A.Waheed, E.Wang, C. H.Wang, E.Wang, M-ZWang, P.Won, E.Yabsley, B. D.Yan, W.Yang, S. B.Ye, H.Yelton, J.Yin, J. H.Yusa, Y.Zhang, Z. P.Zhilich, VZhukova, V
DOI
10.1103/PhysRevD.104.072008
발행일
2021-10
유형
Article
저널명
Physical Review d
104
7