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Improved measurement of CP-violating parameters in B ->rho(+)rho(-) decaysopen access
- Authors
- Somov, A.; Schwartz, A. J.; Adachi, I.; Aihara, H.; Anipko, D.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Bedny, I.; Bitenc, U.; Bizjak, I.; Bondar, A.; Bracko, M.; Browder, T. E.; Chang, M.-C.; Chao, Y.; Chen, A.; Chen, K.-F.; Chen, W. T.; Cheon, Byung Gu; Chistov, R.; Cho, I.-S.; Choi, Y.; Choi, Y. K.; Cole, S.; Dalseno, J.; Dash, M.; Dragic, J.; Drutskoy, A.; Eidelman, S.; Fratina, S.; Gokhroo, G.; Golob, B.; Ha, H.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hokuue, T.; Hoshi, Y.; Hou, W.-S.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Joshi, N.; Kah, D. H.; Kang, J. H.; Katayama, N.; Kichimi, H.; Kim, H. O.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Krizan, P.; Krokovny, P.; Kulasiri, R.; Kumar, R.; Kuo, C. C.; Kuzmin, A.; Kwon, Y.-J.; Lee, J. S.; Lee, M. J.; Lee, S. E.; Lesiak, T.; Limosani, A.; Lin, S.-W.; Marlow, D.; Matsumoto, T.; McOnie, S.; Medvedeva, T.; Mitaroff, W.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Mohapatra, D.; Moloney, G. R.; Nakao, M.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Schneider, O.; Schuemann, J.; Senyo, K.; Shapkin, M.; Shen, C. P.; Shibuya, H.; Shwartz, B.; Staric, M.; Stoeck, H.; Sumisawa, K.; Sumiyoshi, T.; Takasaki, F.; Tamura, N.; Tanaka, M.; Teramoto, Y.; Tian, X. C.; Trabelsi, K.; Tsukamoto, T.; Uehara, S.; Ueno, K.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Varner, G.; Varvell, K. E.; Villa, S.; Vinokurova, A.; Wang, C. C.; Wang, C. H.; Wang, M.-Z.; Wang, P.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Zhang, Z. P.; Zupanc, A.
- Issue Date
- Jul-2007
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.76, no.1, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 76
- Number
- 1
- Start Page
- 1
- End Page
- 7
- 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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Collections - 서울 자연과학대학 > 서울 물리학과 > 1. Journal Articles
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)