Search for Lambda(+)(c) -> phi p pi(0) and branching fraction measurement of Lambda(+)(c) -> K- pi(+) p pi(0)

  • Pal, B.
  • Schwartz, A. J.
  • Adachi, I.
  • Aihara, H.
  • Al Said, S.
  • ... Cheon, B. G.
  • 외 150명
Citations

WEB OF SCIENCE

24
Citations

SCOPUS

36

초록

We have searched for the Cabibbo-suppressed decay Lambda(+)(c) -> pi p(0) in e(+) e(-) collisions using a data sample corresponding to an integrated luminosity of 915 fb(-1). The data were collected by the Belle experiment at the KEKB e(+) e(-) asymmetric-energy collider running at or near the (4S) and (5S) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B(Lambda(+)(c) -> phi p(0)) < 15.3 x 10(-5) at 90% confidence level. The contribution of nonresonant Lambda(+)(c) -> K+ K- p pi(0) decays is found to be consistent with zero, and the corresponding upper limit on its branching fraction is set to be B(Lambda(+)(c) ->. K+ K- p pi(0))(NR) < 6.3 x 10(-5) at 90% confidence level. We also search for an intermediate hidden-strangeness pentaquark decay P-s(+) -> phi p. We see no evidence for this intermediate decay and set an upper limit on the product branching fraction of B(Lambda(+)(c) -> P-s(+) pi(0)) x B(P-s(+) -> phi p) < 8.3 x 10(-5) at 90% confidence level. Finally, we measure the branching fraction for the Cabibbo-favored decay Lambda(+)(c) -> K- pi(+) p pi(0); the result is B(Lambda(+)(c) -> K- pi(+) p pi(0)) = (4.42 +/- 0.05(stat)+/- 0.12(syst)+/- 0.16(norm))%, which is the most precise measurement to date.

제목
Search for Lambda(+)(c) -> phi p pi(0) and branching fraction measurement of Lambda(+)(c) -> K- pi(+) p pi(0)
저자
Pal, B.Schwartz, A. J.Adachi, I.Aihara, H.Al Said, S.Asner, D. M.Aushev, T.Ayad, R.Badhrees, I.Bakich, A. M.Bansal, V.Behera, P.Berger, M.Bhardwaj, V.Biswal, J.Bobrov, A.Bozek, A.Bracko, M.Browder, T. E.Cervenkov, D.Chekelian, V.Chen, A.Cheon, B. G.Chilikin, K.Cho, K.Choi, S. -K.Choi, Y.Cinabro, D.Dash, N.Di Carlo, S.Dolezal, Z.Drasal, Z.Eidelman, S.Ferber, T.Fulsom, B. G.Gaur, V.Gabyshev, N.Garmash, A.Goldenzweig, P.Guido, E.Hara, T.Hayasaka, K.Hayashii, H.Hou, W. -S.Hsu, C. -L.Inami, K.Ishikawa, A.Itoh, R.Jacobs, W. W.Jaegle, I.Jeon, H. B.Jia, S.Jin, Y.Joffe, D.Joo, K. K.Karyan, G.Kato, Y.Kim, D. Y.Kim, J. B.Kim, K. T.Kim, S. H.Kim, Y. J.Kinoshita, K.Kodys, P.Korpar, S.Kotchetkov, D.Krokovny, P.Kuhr, T.Kulasiri, R.Kwon, Y. -J.Li, C. H.Li, L.Li, Y.Gioi, L. LiLibby, J.Liventsev, D.Lubej, M.Luo, T.MacNaughton, J.Matvienko, D.Merola, M.Miyabayashi, K.Miyata, H.Mizuk, R.Mohanty, G. B.Moon, H. K.Mori, T.Mussa, R.Nakano, E.Nakao, M.Nanut, T.Nath, K. J.Nayak, M.Niiyama, M.Nishida, S.Ogawa, S.Ono, H.Pakhlov, P.Pakhlova, G.Pardi, S.Park, C. -S.Paul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Ritter, M.Rostomyan, A.Sakai, Y.Sandilya, S.Santelj, L.Sanuki, T.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Seino, Y.Senyo, K.Sevior, M. E.Shibata, T. -A.Shiu, J. -G.Simon, F.Sokolov, A.Solovieva, E.Staric, M.Strube, J. F.Sumihama, M.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Uchida, M.Uglov, T.Uno, S.Van Hulse, C.Varner, G.Varvell, K. E.Vinokurova, A.Vorobyev, V.Wang, C. H.Wang, M. -Z.Wang, X. L.Watanabe, M.Watanabe, Y.Watanuki, S.Widmann, E.Won, E.Yamashita, Y.Ye, H.Yelton, J.Yuan, C. Z.Zhang, Z. P.Zhilich, V.Zhukova, V.Zhulanov, V.Zupanc, A.
DOI
10.1103/PhysRevD.96.051102
발행일
2017-09
유형
Article
저널명
Physical Review d
96
5
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