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Improved measurement of CP-violating parameters in B ->rho(+)rho(-) decays
- Authors
- Somov, A[Somov, A.]; Schwartz, AJ[Schwartz, A. J.]; Adachi, I[Adachi, I.]; Aihara, H[Aihara, H.]; Anipko, D[Anipko, D.]; Aulchenko, V[Aulchenko, V.]; Aushev, T[Aushev, T.]; Bakich, AM[Bakich, A. M.]; Bedny, I[Bedny, I.]; Bitenc, U[Bitenc, U.]; Bizjak, I[Bizjak, I.]; Bondar, A[Bondar, 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, WT[Chen, W. T.]; Cheon, BG[Cheon, B. G.]; Chistov, R[Chistov, R.]; Cho, IS[Cho, I.-S.]; Choi, Y[Choi, Y.]; Choi, YK[Choi, Y. K.]; Cole, S[Cole, S.]; Dalseno, J[Dalseno, J.]; Dash, M[Dash, M.]; Dragic, J[Dragic, J.]; Drutskoy, A[Drutskoy, A.]; Eidelman, S[Eidelman, S.]; Fratina, S[Fratina, S.]; Gokhroo, G[Gokhroo, G.]; Golob, B[Golob, B.]; Ha, H[Ha, H.]; Haba, J[Haba, J.]; Hara, T[Hara, T.]; Hayasaka, K[Hayasaka, K.]; Hayashii, H[Hayashii, H.]; Hazumi, M[Hazumi, M.]; Heffernan, D[Heffernan, D.]; Hokuue, T[Hokuue, T.]; 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.]; Joshi, N[Joshi, N.]; Kah, DH[Kah, D. H.]; Kang, JH[Kang, J. H.]; Katayama, N[Katayama, N.]; Kichimi, H[Kichimi, H.]; Kim, HO[Kim, H. O.]; Kim, YJ[Kim, Y. J.]; Kinoshita, K[Kinoshita, K.]; Korpar, S[Korpar, S.]; Krizan, P[Krizan, P.]; Krokovny, P[Krokovny, P.]; Kulasiri, R[Kulasiri, R.]; Kumar, R[Kumar, R.]; Kuo, CC[Kuo, C. C.]; Kuzmin, A[Kuzmin, A.]; Kwon, YJ[Kwon, Y.-J.]; 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.]; Marlow, D[Marlow, D.]; Matsumoto, T[Matsumoto, T.]; McOnie, S[McOnie, S.]; Medvedeva, T[Medvedeva, T.]; Mitaroff, W[Mitaroff, W.]; Miyake, H[Miyake, H.]; Miyata, H[Miyata, H.]; Miyazaki, Y[Miyazaki, Y.]; Mizuk, R[Mizuk, R.]; Mohapatra, D[Mohapatra, D.]; Moloney, GR[Moloney, G. R.]; Nakao, M[Nakao, M.]; Nitoh, O[Nitoh, O.]; Nozaki, T[Nozaki, T.]; Ogawa, S[Ogawa, S.]; Ohshima, T[Ohshima, T.]; Okuno, S[Okuno, S.]; Olsen, SL[Olsen, S. L.]; Onuki, Y[Onuki, Y.]; Ozaki, H[Ozaki, H.]; Pakhlov, P[Pakhlov, P.]; Pakhlova, G[Pakhlova, G.]; Park, CW[Park, C. W.]; Pestotnik, R[Pestotnik, R.]; Piilonen, LE[Piilonen, L. E.]; Sahoo, H[Sahoo, H.]; Sakai, Y[Sakai, Y.]; Schneider, O[Schneider, O.]; Schumann, J[Schuemann, J.]; Senyo, K[Senyo, K.]; Shapkin, M[Shapkin, M.]; Shen, CP[Shen, C. P.]; Shibuya, H[Shibuya, H.]; Shwartz, B[Shwartz, B.]; Staric, M[Staric, M.]; Stoeck, H[Stoeck, H.]; Sumisawa, K[Sumisawa, K.]; Sumiyoshi, T[Sumiyoshi, T.]; Takasaki, F[Takasaki, F.]; Tamura, N[Tamura, N.]; Tanaka, M[Tanaka, M.]; Teramoto, Y[Teramoto, Y.]; Tian, XC[Tian, X. C.]; Trabelsi, K[Trabelsi, K.]; Tsukamoto, T[Tsukamoto, T.]; Uehara, S[Uehara, S.]; Ueno, K[Ueno, K.]; Uglov, T[Uglov, T.]; Unno, Y[Unno, Y.]; Uno, S[Uno, S.]; Urquijo, P[Urquijo, P.]; Usov, Y[Usov, Y.]; Varner, G[Varner, G.]; Varvell, KE[Varvell, K. E.]; Villa, S[Villa, S.]; Vinokurova, A[Vinokurova, A.]; Wang, CC[Wang, C. C.]; Wang, CH[Wang, C. H.]; Wang, MZ[Wang, M.-Z.]; Wang, P[Wang, P.]; Watanabe, Y[Watanabe, Y.]; Won, E[Won, E.]; Yabsley, BD[Yabsley, B. D.]; Yamaguchi, A[Yamaguchi, A.]; Yamashita, Y[Yamashita, Y.]; Zhang, ZP[Zhang, Z. P.]; Zupanc, A[Zupanc, A.]
- Issue Date
- Jul-2007
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.76, no.1
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 76
- Number
- 1
- ISSN
- 1550-7998
- Abstract
- We present a measurement of the CP-violating asymmetry in B-0 ->rho(+)rho(-) decays using 535x10(6) B (B) over bar pairs collected with the Belle detector at the KEKB e(+)e(-) collider. We measure CP-violating coefficients A=0.16 +/- 0.21(stat)+/- 0.08(syst) and S=0.19 +/- 0.30(stat)+/- 0.08(syst). These values are used to determine the unitarity triangle angle phi(2) using an isospin analysis; the solution consistent with the standard model lies in the range 54 degrees <phi(2)< 113 degrees at the 90% confidence level.
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