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Measurement of the Branching Fraction B(Lambda(+)(c) -> pK(-)pi(+))

Authors
Zupanc, A.Bartel, C.Gabyshev, N.Adachi, I.Aihara, H.Asner, D. M.Aulchenko, V.Aushev, T.Bakich, A. M.Bala, A.Belous, K.Bhuyan, B.Bondar, A.Bonvicini, G.Bozek, A.Bracko, M.Browder, T. E.Cervenkov, D.Chang, M. -C.Chekelian, V.Cheon, B. G.Chilikin, K.Chistov, R.Cho, I. -S.Cho, K.Chobanova, V.Choi, S. -K.Choi, Y.Cinabro, D.Dalseno, J.Danilov, M.Dolezal, Z.Drasal, Z.Dutta, D.Dutta, K.Eidelman, S.Epifanov, D.Farhat, H.Fast, J. E.Feindt, M.Ferber, T.Gaur, V.Ganguly, S.Garmash, A.Gillard, R.Glattauer, R.Goh, Y. M.Golob, B.Haba, J.Hayasaka, K.Hayashii, H.He, X. H.Hoshi, Y.Hou, W. -S.Huschle, M.Hyun, H. J.Iijima, T.Ishikawa, A.Itoh, R.Iwasaki, Y.Iwashita, T.Jaegle, I.Julius, T.Kang, J. H.Kato, E.Kato, Y.Kawasaki, T.Kichimi, H.Kim, D. Y.Kim, H. J.Kim, J. B.Kim, J. H.Kim, M. J.Kim, Y. J.Kinoshita, K.Klucar, J.Ko, B. R.Kodys, P.Korpar, S.Krizan, P.Krokovny, P.Kronenbitter, B.Kuhr, T.Kumita, T.Kuzmin, A.Kwon, Y. -J.Lee, S. -H.Li, J.Li, Y.Libby, J.Liu, C.Liu, Y.Liu, Z. Q.Liventsev, D.MacNaughton, J.Miyabayashi, K.Miyata, H.Mizuk, R.Mohanty, G. B.Moll, A.Mussa, R.Nakano, E.Nakao, M.Nakazawa, H.Natkaniec, Z.Nayak, M.Nedelkovska, E.Niiyama, M.Nisar, N. K.Nishida, S.Nitoh, O.Ogawa, S.Olsen, S. L.Ostrowicz, W.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Park, H. K.Pedlar, T. K.Pestotnik, R.Petric, M.Piilonen, L. E.Ritter, M.Roehrken, M.Rostomyan, A.Ryu, S.Sahoo, H.Saito, T.Sakai, Y.Sandilya, S.Santelj, L.Sanuki, T.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Semmler, D.Senyo, K.Seon, O.Sevior, M. E.Shapkin, M.Shen, C. P.Shibata, T. -A.Shiu, J. -G.Shwartz, B.Sibidanov, A.Simon, F.Sohn, Y. -S.Sokolov, A.Solovieva, E.Stanic, S.Staric, M.Steder, M.Sumiyoshi, T.Tamponi, U.Tanida, K.Tatishvili, G.Teramoto, Y.Trabelsi, K.Uchida, M.Uehara, S.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Van Hulse, C.Vanhoefer, P.Varner, G.Varvell, K. E.Vinokurova, A.Vorobyev, V.Wagner, M. N.Wang, C. H.Wang, P.Wang, X. L.Watanabe, M.Watanabe, Y.Williams, K. M.Won, E.Yamamoto, H.Yamashita, Y.Yashchenko, S.Yook, Y.Zhang, Z. P.Zhilich, V.Zhulanov, V.
Issue Date
25-7월-2014
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.113, no.4
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW LETTERS
Volume
113
Number
4
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/97933
DOI
10.1103/PhysRevLett.113.042002
ISSN
0031-9007
Abstract
We present the first model-independent measurement of the absolute branching fraction of the Lambda(+)(c) -> pK(-)pi(+)decay using a data sample of 978 fb(-1) collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The number of Lambda(+)(c) baryons is determined by reconstructing the recoiling D(*)(-)(p) over bar pi(+)system in events of the type e(+)e(-) -> D(*)(-)(p) over bar pi(+)Lambda(+)(c). The branching fraction is measured to be B(Lambda(+)(c) -> pK(-)pi(+)) = (6.84 +/- 0.24(-0.27)(+0.21))%, where the first and second uncertainties are statistical and systematic, respectively.
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