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Search for B-s(0) -> hh decays at the Y(5S) resonance
- Authors
- Peng, CC[Peng, C. -C.]; Chang, P[Chang, P.]; Adachi, I[Adachi, I.]; Aihara, H[Aihara, H.]; Aushev, T[Aushev, T.]; Aziz, T[Aziz, T.]; Bakich, AM[Bakich, A. M.]; Balagura, V[Balagura, V.]; Barberio, E[Barberio, E.]; Belous, K[Belous, K.]; Bhardwaj, V[Bhardwaj, V.]; Bondar, A[Bondar, A.]; Bozek, A[Bozek, A.]; Bracko, M[Bracko, M.]; Browder, TE[Browder, T. E.]; Chang, MC[Chang, M. -C.]; Chao, Y[Chao, Y.]; Chen, A[Chen, A.]; Chen, KF[Chen, K. -F.]; Chen, P[Chen, P.]; Cheon, BG[Cheon, B. G.]; Chiang, CC[Chiang, C. -C.]; Chistov, R[Chistov, R.]; Cho, IS[Cho, I. -S.]; Choi, Y[Choi, Y.]; Dalseno, J[Dalseno, J.]; Danilov, M[Danilov, M.]; Das, A[Das, A.]; Dash, M[Dash, M.]; Drutskoy, A[Drutskoy, A.]; Dungel, W[Dungel, W.]; Eidelman, S[Eidelman, S.]; Gabyshev, N[Gabyshev, N.]; Goldenzweig, P[Goldenzweig, P.]; Golob, B[Golob, B.]; Ha, H[Ha, H.]; Haba, J[Haba, J.]; Hayashii, H[Hayashii, H.]; Horii, Y[Horii, Y.]; Hoshi, Y[Hoshi, Y.]; Hou, WS[Hou, W. -S.]; Hyun, HJ[Hyun, H. J.]; Iijima, T[Iijima, T.]; Inami, K[Inami, K.]; Itoh, R[Itoh, R.]; Iwabuchi, M[Iwabuchi, M.]; Iwasaki, M[Iwasaki, M.]; Iwasaki, Y[Iwasaki, Y.]; Joshi, NJ[Joshi, N. J.]; Julius, T[Julius, T.]; Kang, JH[Kang, J. H.]; Kawasaki, T[Kawasaki, T.]; Kim, HJ[Kim, H. J.]; Kim, HO[Kim, H. O.]; Kim, JH[Kim, J. H.]; Kim, MJ[Kim, M. J.]; Kim, SK[Kim, S. K.]; Kim, YJ[Kim, Y. J.]; Kinoshita, K[Kinoshita, K.]; Ko, BR[Ko, B. R.]; Kodys, P[Kodys, P.]; Korpar, S[Korpar, S.]; Krizan, P[Krizan, P.]; Krokovny, P[Krokovny, P.]; Kuhr, T[Kuhr, T.]; Kwon, YJ[Kwon, Y. -J.]; Kyeong, SH[Kyeong, S. -H.]; Lee, MJ[Lee, M. J.]; Lee, SH[Lee, S. -H.]; Li, J[Li, J.]; Limosani, A[Limosani, A.]; Liu, C[Liu, C.]; Liventsev, D[Liventsev, D.]; Louvot, R[Louvot, R.]; Matyja, A[Matyja, A.]; McOnie, S[McOnie, S.]; Miyabayashi, K[Miyabayashi, K.]; Miyata, H[Miyata, H.]; Mizuk, R[Mizuk, R.]; Mohanty, GB[Mohanty, G. B.]; Nakao, M[Nakao, M.]; Nakazawa, H[Nakazawa, H.]; Natkaniec, Z[Natkaniec, Z.]; Neubauer, S[Neubauer, S.]; Nishida, S[Nishida, S.]; Nishimura, K[Nishimura, K.]; Nitoh, O[Nitoh, O.]; Ogawa, S[Ogawa, S.]; Ohshima, T[Ohshima, T.]; Okuno, S[Okuno, S.]; Olsen, SL[Olsen, S. L.]; Pakhlova, G[Pakhlova, G.]; Park, CW[Park, C. W.]; Park, H[Park, H.]; Park, HK[Park, H. K.]; Pestotnik, R[Pestotnik, R.]; Petric, M[Petric, M.]; Piilonen, LE[Piilonen, L. E.]; Rohrken, M[Roehrken, M.]; Ryu, S[Ryu, S.]; Sakai, Y[Sakai, Y.]; Schneider, O[Schneider, O.]; Schwanda, C[Schwanda, C.]; Schwartz, AJ[Schwartz, A. J.]; Senyo, K[Senyo, K.]; Sevior, ME[Sevior, M. E.]; Shapkin, M[Shapkin, M.]; Shen, CP[Shen, C. P.]; Shiu, JG[Shiu, J. -G.]; Shwartz, B[Shwartz, B.]; Smerkol, P[Smerkol, P.]; Sokolov, A[Sokolov, A.]; Staric, M[Staric, M.]; Sumisawa, K[Sumisawa, K.]; Sumiyoshi, T[Sumiyoshi, T.]; Tanaka, M[Tanaka, M.]; Taylor, GN[Taylor, G. N.]; Teramoto, Y[Teramoto, Y.]; Trabelsi, K[Trabelsi, K.]; Uehara, S[Uehara, S.]; Unno, Y[Unno, Y.]; Uno, S[Uno, S.]; Varner, G[Varner, G.]; Varvell, KE[Varvell, K. E.]; Vervink, K[Vervink, K.]; Wang, CH[Wang, C. H.]; Wang, P[Wang, P.]; Watanabe, M[Watanabe, M.]; Watanabe, Y[Watanabe, Y.]; Wedd, R[Wedd, R.]; Wicht, J[Wicht, J.]; Won, E[Won, E.]; Yabsley, BD[Yabsley, B. D.]; Yamashita, Y[Yamashita, Y.]; Yuan, CZ[Yuan, C. Z.]; Zhang, CC[Zhang, C. C.]; Zhang, ZP[Zhang, Z. P.]; Zhilich, V[Zhilich, V.]; Zhulanov, V[Zhulanov, V.]; Zivko, T[Zivko, T.]; Zyukova, O[Zyukova, O.]
- Issue Date
- 15-Oct-2010
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.82, no.7
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 82
- Number
- 7
- ISSN
- 1550-7998
- Abstract
- We have searched for B-s(0) --> hh decays, where h stands for a charged or neutral kaon, or a charged pion. These results are based on a 23: 6 fb(-1) data sample collected with the Belle detector on the Y(5S) resonance at the KEKB asymmetric-energy e(+)e(-) collider, containing 1.25 x 10(6) B-s(()*())(B) over bar (()(s)*()) events. We observe the decay B-s(0) --> K+K- and measure its branching fraction, B(B-s(0) --> K+K-) = [3.8(-0.9)(+1.0)(stat) +/- 0.5(syst) +/- 0.5(f(s))] x 10(-5). The first error is statistical, the second is systematic, and the third error is due to the uncertainty in the B-s(0) production fraction in e(+)e(-) --> b (b) over bar events. No significant signals are seen in other decay modes, and we set upper limits at the 90% confidence level: B(B-s(0) --> K- pi+) < 1.2 x 10(-5), B(B-s(0) --> pi(+)pi(-)) < 2.6 x 10(-5), and B(B-s(0) --> K-0(K) over bar (0)) < 6.6 x 10(-5).
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