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Measurement of the Time-Dependent CP Asymmetries in B-0 -> K-S(0)rho(0)gamma Decays
- Authors
- Li, J.; Adachi, I.; Arinstein, K.; Aushev, T.; Bakich, A. M.; Balagura, V.; Bedny, I.; Bhardwaj, V.; Bitenc, U.; Bozek, A.; Bracko, M.; Browder, T. E.; Chang, P.; Chao, Y.; Chen, A.; Cheon, B. G.; Chistov, R.; Choi, Y.; Dalseno, J.; Drutskoy, A.; Eidelman, S.; Gabyshev, N.; Ha, H.; Hara, K.; Hasegawa, Y.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hoshi, Y.; Hou, W. -S.; Hyun, H. J.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Joshi, N. J.; Kah, D. H.; Kang, J. H.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, Y. I.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Krizan, P.; Krokovny, P.; Kumar, R.; Kuzmin, A.; Kyeong, S. -H.; Liu, C.; Liu, Y.; Matyja, A.; McOnie, S.; Medvedeva, T.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Moloney, G. R.; Nagasaka, Y.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Ozaki, H.; Pakhlova, G.; Park, C. W.; Park, H.; Park, H. K.; Park, K. S.; Peak, L. S.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Schneider, O.; Schwanda, C.; Sekiya, A.; Senyo, K.; Shapkin, M.; Shiu, J. -G.; Shwartz, B.; Sokolov, A.; Somov, A.; Stanic, S.; Staric, M.; Sumiyoshi, T.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tikhomirov, I.; Trabelsi, K.; Tsuboyama, T.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Ushiroda, Y.; Usov, Y.; Varner, G.; Varvell, K. E.; Vervink, K.; Vinokurova, A.; Wang, C. H.; Wang, P.; Wang, X. L.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamamoto, H.; Yamashita, Y.; Yamauchi, M.; Zhang, Z. P.; Zhilich, V.; Zivko, T.; Zupanc, A.; Zyukova, O.
- Issue Date
- 19-Dec-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.101, no.25
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 101
- Number
- 25
- ISSN
- 0031-9007
- Abstract
- We report the first measurement of time-dependent CP asymmetry in B-0 -> K-S(0)rho(0)gamma decays based on 657 x 10(6) B (B) over bar B pairs collected with the Belle detector at the KEKB asymmetric-energy collider. We measure the CP-violating parameter S-KS0 rho 0 gamma = 0.11 +/- 0.33(stat)(-0.09)(+0.05)(syst) from a signal of 212 +/- 17 events. We also obtain the effective direct CP-violating parameter A(eff) = 0.05 +/- 0.18(stat) +/- 0.06(syst) for m(KS0 pi+pi-) < 1.8 GeV/c(2) and 0.6 GeV= c(2) < m(pi+pi-) < 0.9 GeV/c(2).
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Related Researcher
- Won, Eun il
- College of Science (Department of Physics)