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Time-dependent CP-violating asymmetry in B(0)->rho(0)gamma decays

Authors
Ushiroda, Y.Sumisawa, K.Taniguchi, N.Adachi, I.Aihara, H.Arinstein, K.Aushev, T.Bahinipati, S.Bakich, A. M.Balagura, V.Barberio, E.Belous, K.Bitenc, U.Bondar, A.Bozek, A.Bracko, M.Browder, T. E.Chang, P.Chao, Y.Chen, A.Chen, W. T.Cheon, Byung GuChistov, R.Cho, I.-S.Choi, Y.Dalseno, J.Dash, M.Eidelman, S.Epifanov, D.Gabyshev, N.Golob, B.Ha, H.Haba, J.Hara, K.Hara, T.Hayasaka, K.Hazumi, M.Heffernan, D.Hokuue, T.Hoshi, Y.Hou, W.-S.Hyun, H. J.Inami, K.Ishikawa, A.Ishino, H.Itoh, R.Iwasaki, Y.Kah, D. H.Kang, J. H.Kawai, H.Kawasaki, T.Kichimi, H.Kim, Y. J.Kinoshita, K.Korpar, S.Krizan, P.Krokovny, P.Kumar, R.Kuo, C. C.Kuzmin, A.Kwon, Y.-J.Lee, M. J.Lee, S. E.Lesiak, T.Lin, S.-W.Liventsev, D.Mandl, F.McOnie, S.Medvedeva, T.Miyabayashi, K.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Mohapatra, D.Moloney, G. R.Nagasaka, Y.Nakao, M.Nakazawa, H.Nishida, S.Nitoh, O.Noguchi, S.Nozaki, T.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S. L.Pakhlov, P.Pakhlov, G.Park, C. W.Park, H.Peak, L. S.Piilonen, L. E.Sahoo, H.Sakai, Y.Schneider, O.Schuemann, J.Schwartz, A. J.Senyo, K.Sevior, M. E.Shapkin, M.Shen, C. P.Shibuya, H.Shiu, J.-G.Shwartz, B.Singh, J. B.Sokolov, A.Somov, A.Stanic, S.Stanic, M.Sumiyoshi, T.Tajima, O.Takasaki, F.Tamai, K.Tanaka, M.Teramoto, Y.Tikhomirov, I.Trabelsi, K.Uehara, S.Ueno, K.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Varner, G.Vervink, K.Villa, S.Wang, C. C.Wang, C. H.Wang, M.-Z.Wang, P.Wang, X. L.Watanabe, Y.Won, E.Yabsley, B. D.Yamaguchi, A.Yamashita, Y.Yamauchi, M.Zhang, Z. P.Zupanc, A.Zyukova, O.
Issue Date
Jan-2008
Publisher
American Physical Society
Citation
Physical Review Letters, v.100, no.2, pp 1 - 5
Pages
5
Indexed
SCIE
SCOPUS
Journal Title
Physical Review Letters
Volume
100
Number
2
Start Page
1
End Page
5
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179125
DOI
10.1103/PhysRevLett.100.021602
ISSN
0031-9007
1079-7114
Abstract
We report the first measurement of CP-violation parameters in B(0)->rho(0)gamma decays based on a data sample of 657x10(6)B (B) over bar pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We obtain the time-dependent and direct CP-violating parameters, S(rho)(0)gamma=-0.83 +/- 0.65(stat)+/- 0.18(syst) and A(rho)(0)gamma=-0.44 +/- 0.49(stat)+/- 0.14(syst), respectively.
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