Observation of X(3872) in B -> X(3872)K pi decays

  • Bala, A.
  • Bhardwaj, V.
  • Trabelsi, K.
  • Singh, J. B.
  • Abdesselam, A.
  • ... Cheon, Byung Gu
  • 외 170명
Citations

WEB OF SCIENCE

24
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SCOPUS

31

초록

We report the first observation of B-0 -> X(3872)(K+pi(-)) and evidence for B+ -> X(3872)(K-0 pi(+)). We measure the product of branching fractions for the former to be B(B-0 -> X(3872)(K+pi(-)) x B(X(3872) -> J/psi pi(+)pi(-)) = (7.9 +/- 1.3(stat) +/- 0.4(syst) x 10(-6) and find that B-0 -> X(3872)K*(892)(0) does not dominate the B-0 -> X(3872)K+pi(-) decay mode. We also measure B(B+ -> X(3872)(K-0 pi(+))) x B(X(3872) -> J/psi pi(+)pi(-)) = (10.6 +/- 3.0(stat) +/- 0.9(syst) x 10(-6). This study is based on the full data sample of 711 fb(-1) (772 x 10(6)B (B) over bar pairs) collected at the Upsilon(4S) resonance with the Belle detector at the KEKB collider.

키워드

MONTE-CARLOPHOTOS
제목
Observation of X(3872) in B -> X(3872)K pi decays
저자
Bala, A.Bhardwaj, V.Trabelsi, K.Singh, J. B.Abdesselam, A.Adachi, I.Aihara, H.Arinstein, K.Asner, D. M.Aulchenko, V.Aushev, T.Ayad, R.Aziz, T.Bahinipati, S.Bakich, A. M.Bansal, V.Barberio, E.Bhuyan, B.Bobrov, A.Bonvicini, G.Bozek, A.Bracko, M.Browder, T. E.Cervenkov, D.Chen, A.Cheon, Byung GuChistov, R.Cho, K.Chobanova, V.Choi, S. -K.Choi, Y.Cinabro, D.Dalseno, J.Dingfelder, J.Dolezal, Z.Drutskoy, A.Dutta, D.Eidelman, S.Epifanov, D.Farhat, H.Fast, J. E.Ferber, T.Frost, O.Gaur, V.Gabyshev, N.Garmash, A.Getzkow, D.Goh, Y. M.Golob, B.Grzymkowska, O.Haba, J.Hara, T.Hayashii, H.He, X. H.Heller, A.Horiguchi, T.Hou, W. -S.Huschle, M.Iijima, T.Ishikawa, A.Itoh, R.Iwasaki, Y.Jaegle, I.Joffe, D.Kang, K. H.Kato, E.Kawasaki, T.Kiesling, C.Kim, D. Y.Kim, J. B.Kim, J. H.Kim, K. T.Kim, M. J.Kim, S. H.Kim, Y. J.Kinoshita, K.Ko, B. R.Kodys, P.Korpar, S.Krizan, P.Krokovny, P.Kuhr, T.Kumar, R.Kuzmin, A.Kwon, Y. -J.Lange, J. S.Lee, I. S.Li, Y.Gioi, L. LiLibby, J.Liventsev, D.Lukin, P.Matvienko, D.Miyabayashi, K.Miyake, H.Miyata, H.Mizuk, R.Mohanty, G. B.Mohanty, S.Moll, A.Moon, H. K.Mussa, R.Nakano, E.Nakao, M.Natkaniec, Z.Nayak, M.Nisar, N. K.Nishida, S.Ogawa, S.Okuno, S.Olsen, S. L.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Pestotnik, R.Petric, M.Piilonen, L. E.Ribezl, E.Ritter, M.Sakai, Y.Sandilya, S.Santelj, L.Sanuki, T.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Senyo, K.Seon, O.Sevior, M. E.Shebalin, V.Shen, C. P.Shibata, T. -A.Shiu, J. -G.Shwartz, B.Sibidanov, A.Simon, F.Sohn, Y. -S.Sokolov, A.Solovieva, E.Staric, M.Steder, M.Sumihama, M.Sumiyoshi, T.Tanida, K.Tatishvili, G.Teramoto, Y.Thorne, F.Trusov, V.Uchida, M.Uehara, S.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Vanhoefer, P.Varner, G.Vinokurova, A.Vorobyev, V.Wagner, M. N.Wang, C. H.Wang, X. L.Watanabe, Y.Williams, K. M.Won, E.Yamamoto, H.Yamashita, Y.Yashchenko, S.Yuan, C. Z.Zhang, Z. P.Zhilich, V.Zhulanov, V.Ziegler, M.Zupanc, A.
DOI
10.1103/PhysRevD.91.051101
발행일
2015-03
유형
Article
저널명
Physical Review d
91
5
페이지
1 ~ 7

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