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Measurement of branching fractions, isospin, and CP-violating asymmetries for exclusive b -> d gamma modesopen access
- Authors
- Taniguchi, N.; Nakao, M.; Nishida, S.; Adachi, I.; Aihara, H.; Arinstein, K.; Aushev, T.; Aziz, T.; Bakich, A. M.; Balagura, V.; Bay, A.; Belous, K.; Bhardwaj, V.; Bitenc, U.; Bondar, A.; Bozek, A.; Bracko, M.; Browder, T. E.; Chang, M. -C.; Chang, P.; Chao, Y.; Chen, A.; Chen, K. -F.; Chen, W. T.; Cheon, Byung Gu; Chiang, C. -C.; Cho, I. -S.; Choi, Y.; Dalseno, J.; Dash, M.; Drutskoy, A.; Dungel, W.; Eidelman, S.; Golob, B.; Ha, H.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Hoshi, Y.; Hou, W. -S.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwabuchi, M.; Iwasaki, M.; Iwasaki, Y.; Joshi, N. J.; Kah, D. H.; Kaji, H.; Kang, J. H.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, S. K.; Kim, Y. I.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Krizan, P.; Krokovny, P.; Kumar, R.; Kuzmin, A.; Kwon, Y. -J.; Kyeong, S. -H.; Lange, J. S.; Lee, J. S.; Lee, S. E.; Lesiak, T.; Limosani, A.; Lin, S. -W.; Liu, C.; Liu, Y.; Liventsev, D.; Mandl, F.; McOnie, S.; Miyabayashi, K.; Miyazaki, Y.; Moloney, G. R.; Nagasaka, Y.; Nakamura, I.; Nakano, E.; Nakazawa, H.; Natkaniec, Z.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H.; Park, H. K.; Park, K. S.; Peak, L. S.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Sasao, N.; Schneider, O.; Schuemann, J.; Schwanda, C.; Schwartz, A. J.; Seidl, R.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shiu, J. -G.; Shwartz, B.; Singh, J. B.; Sokolov, A.; Stanic, S.; Staric, M.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S. Y.; Tamura, N.; Taylor, G. N.; Teramoto, Y.; Tikhomirov, I.; Trabelsi, K.; Tsuboyama, T.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Varner, G.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Wedd, R.; Wicht, J.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zivko, T.; Zupanc, A.; Zyukova, O.
- Issue Date
- Sep-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.101, no.11, pp.1 - 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 101
- Number
- 11
- Start Page
- 1
- End Page
- 6
- ISSN
- 0031-9007
- Abstract
- We report new measurements of the decays B+-> rho(+)gamma, B-0 -> rho(0)gamma, and B-0 -> omega gamma using a data sample of 657 x 10(6) B meson pairs accumulated with the Belle detector at the KEKB e(+) e(-) collider. We measure branching fractions B(B+ -> rho(+)gamma) = (8.7(-2.7-1.1)(+2.9+0.9)) x 10(-7), B(B-0 -> rho(0)gamma) = (7.8(-1.6-1.0)(+1.7+0.9)) x 10(-7), and B(B-0 -> omega gamma) = (4.0(-1.7)(+1.9)+/- 1.3) x 10(-7). We also report the isospin asymmetry Delta(rho gamma) = -0.48(-0.19-0.09)(+0.21+0.08) and the first measurement of the direct CP-violating asymmetry A(CP)(B+ -> rho(+)gamma) = -0.11 +/- 0.32 +/- 0.09, where the first and second errors are statistical and systematic, respectively.
- Appears in
Collections - 서울 자연과학대학 > 서울 물리학과 > 1. Journal Articles
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)