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Observation of a resonancelike structure in the pi(+-)psi ' mass distribution in exclusive B -> K pi(+-)psi ' decays
- Authors
- Choi, SK[Choi, S. -K.]; Olsen, SL[Olsen, S. L.]; Adachi, I[Adachi, I.]; Aihara, H[Aihara, H.]; Aulchenko, V[Aulchenko, V.]; Aushev, T[Aushev, T.]; Aziz, T[Aziz, T.]; Bakich, AM[Bakich, A. M.]; Balagura, V[Balagura, V.]; Bedny, I[Bedny, I.]; Bitenc, U[Bitenc, U.]; Bondar, A[Bondar, A.]; Bozek, A[Bozek, A.]; Bracko, M[Bracko, M.]; Brodzicka, J[Brodzicka, J.]; Browder, TE[Browder, T. E.]; Chang, P[Chang, P.]; Chao, Y[Chao, Y.]; Chen, A[Chen, A.]; Chen, KF[Chen, K. -F.]; Chen, WT[Chen, W. T.]; Cheon, BG[Cheon, B. G.]; Chistov, R[Chistov, R.]; Choi, Y[Choi, Y.]; Dalseno, J[Dalseno, J.]; Danilov, M[Danilov, M.]; Dash, M[Dash, M.]; Eidelman, S[Eidelman, S.]; Gabyshev, N[Gabyshev, N.]; Golob, B[Golob, B.]; Haba, J[Haba, J.]; Hara, T[Hara, T.]; Hayasaka, K[Hayasaka, K.]; Hayashii, H[Hayashii, H.]; Hazumi, M[Hazumi, M.]; Heffernan, D[Heffernan, D.]; Hoshi, Y[Hoshi, Y.]; Hou, WS[Hou, W. -S.]; Hyun, HJ[Hyun, H. J.]; Iijima, T[Iijima, T.]; Inami, K[Inami, K.]; Ishikawa, A[Ishikawa, A.]; Ishino, H[Ishino, H.]; Itoh, R[Itoh, R.]; Iwasaki, M[Iwasaki, M.]; Iwasaki, Y[Iwasaki, Y.]; Kah, DH[Kah, D. H.]; Kang, JH[Kang, J. H.]; Katayama, N[Katayama, N.]; Kawai, H[Kawai, H.]; Kawasaki, T[Kawasaki, T.]; Kichimi, H[Kichimi, H.]; Kim, HO[Kim, H. O.]; Kim, SK[Kim, S. K.]; Kim, YJ[Kim, Y. J.]; Kinoshita, K[Kinoshita, K.]; Krizan, P[Krizan, P.]; Krokovny, P[Krokovny, P.]; Kumar, R[Kumar, R.]; Kuo, CC[Kuo, C. C.]; Kuzmin, A[Kuzmin, A.]; Kwon, YJ[Kwon, Y. -J.]; Lange, JS[Lange, J. S.]; Lee, JS[Lee, J. S.]; Lee, MJ[Lee, M. J.]; Lee, SE[Lee, S. E.]; Lesiak, T[Lesiak, T.]; Limosani, A[Limosani, A.]; Lin, SW[Lin, S. -W.]; Liu, Y[Liu, Y.]; Liventsev, D[Liventsev, D.]; Mandl, F[Mandl, F.]; Matyja, A[Matyja, A.]; McOnie, S[McOnie, S.]; Medvedeva, T[Medvedeva, T.]; Mitaroff, W[Mitaroff, W.]; Miyabayashi, K[Miyabayashi, K.]; Miyake, H[Miyake, H.]; Miyata, H[Miyata, H.]; Miyazaki, Y[Miyazaki, Y.]; Mizuk, R[Mizuk, R.]; Moloney, GR[Moloney, G. R.]; Nakano, E[Nakano, E.]; Nakao, M[Nakao, M.]; Nishida, S[Nishida, S.]; Nitoh, O[Nitoh, O.]; Nozaki, T[Nozaki, T.]; Ogawa, S[Ogawa, S.]; Ohshima, T[Ohshima, T.]; Okuno, S[Okuno, S.]; Ozaki, H[Ozaki, H.]; Pakhlov, P[Pakhlov, P.]; Pakhlova, G[Pakhlova, G.]; Park, CW[Park, C. W.]; Park, H[Park, H.]; Peak, LS[Peak, L. S.]; Pestotnik, R[Pestotnik, R.]; Piilonen, LE[Piilonen, L. E.]; Sahoo, H[Sahoo, H.]; Sakai, Y[Sakai, Y.]; Schneider, O[Schneider, O.]; Schwartz, AJ[Schwartz, A. J.]; Senyo, K[Senyo, K.]; Shapkin, M[Shapkin, M.]; Shen, CP[Shen, C. P.]; Shibuya, H[Shibuya, H.]; Shwartz, B[Shwartz, B.]; Singh, JB[Singh, J. B.]; Somov, A[Somov, A.]; Stanic, S[Stanic, S.]; Staric, M[Staric, M.]; Sumiyoshi, T[Sumiyoshi, T.]; Suzuki, SY[Suzuki, S. Y.]; Takasaki, F[Takasaki, F.]; Tamai, K[Tamai, K.]; Tanaka, M[Tanaka, M.]; Teramoto, Y[Teramoto, Y.]; Tikhomirov, I[Tikhomirov, I.]; Uehara, S[Uehara, S.]; Uglov, T[Uglov, T.]; Unno, Y[Unno, Y.]; Uno, S[Uno, S.]; Urquijo, P[Urquijo, P.]; Varner, G[Varner, G.]; Vervink, K[Vervink, K.]; Villa, S[Villa, S.]; Wang, CH[Wang, C. H.]; Wang, MZ[Wang, M. -Z.]; Wang, P[Wang, P.]; Wang, XL[Wang, X. L.]; Watanabe, Y[Watanabe, Y.]; Wedd, R[Wedd, R.]; Won, E[Won, E.]; Yabsley, BD[Yabsley, B. D.]; Yamashita, Y[Yamashita, Y.]; Yuan, CZ[Yuan, C. Z.]; Zhang, ZP[Zhang, Z. P.]; Zhulanov, V[Zhulanov, V.]; Zupanc, A[Zupanc, A.]; Zyukova, O[Zyukova, O.]
- Issue Date
- 11-Apr-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.100, no.14
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 100
- Number
- 14
- ISSN
- 0031-9007
- Abstract
- A distinct peak is observed in the pi(+/-)psi' invariant mass distribution near 4.43 GeV in B -> K pi(+/-)psi' decays. A fit using a Breit-Wigner resonance shape yields a peak mass and width of M=4433 +/- 4(stat)+/- 2(syst) MeV and Gamma=45(-13)(+18)(stat)(-13)(+30)(syst) MeV. The product branching fraction is determined to be B(B(0)-> K(-/+)Z(+/-)(4430))xB(Z(+/-)(4430)->pi(+/-)psi')=(4.1 +/- 1.0(stat)+/- 1.4(syst))x10(-5), where Z(+/-)(4430) is used to denote the observed structure. The statistical significance of the observed peak is 6.5 sigma. These results are obtained from a 605 fb(-1) data sample that contains 657x10(6) B (B) over bar pairs collected near the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric energy e(+)e(-) collider.
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Collections - Science > Department of Physics > 1. Journal Articles
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