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Observation of B-+/-->psi(2S)pi(+/-) and search for direct CP violation
- Authors
- Bhardwaj, V.; Kumar, R.; Singh, J. B.; Adachi, I.; Aihara, H.; Arinstein, K.; Aushev, T.; Aziz, T.; Bahinipati, S.; Bakich, A. M.; Balagura, V.; Barberio, E.; Bay, A.; Belous, K.; Bitenc, U.; Bondar, A.; Bozek, A.; Bracko, M.; Brodzicka, J.; Browder, T. E.; Chang, M. -C.; Chang, P.; Chen, A.; Cheon, B. G.; Chistov, R.; Cho, I. -S.; Choi, S. -K.; Choi, Y.; Dalseno, J.; Dash, M.; Drutskoy, A.; Eidelman, S.; Goldenzweig, P.; Golob, B.; Ha, H.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Hoshi, Y.; Hou, W. -S.; Hsiung, Y. B.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Joshi, N. J.; Kah, D. H.; Kang, J. H.; Katayama, N.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. O.; Kim, S. K.; Kim, Y. I.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Krizan, P.; Krokovny, P.; Kuzmin, A.; Kwon, Y. -J.; Kyeong, S. -H.; Lange, J. S.; Lee, J. S.; Lin, S. -W.; Liu, C.; Liu, Y.; Liventsev, D.; Mandl, F.; Matyja, A.; McOnie, S.; Medvedeva, T.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Moloney, G. R.; Nagasaka, Y.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H.; Park, H. K.; Peak, L. S.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Schneider, O.; Schuemann, J.; Schwanda, C.; Schwartz, A. J.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shiu, J. -G.; Shwartz, B.; Somov, A.; Stanic, S.; Staric, M.; Sumiyoshi, T.; Suzuki, S.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Trabelsi, K.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Varner, G.; Varvell, K. E.; Vervink, K.; Wang, C. C.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Won, E.; Yamashita, Y.; Yamauchi, M.; Zhang, C. C.; Zhulanov, V.; Zivko, T.; Zupanc, A.; Zyukova, O.
- Issue Date
- 9월-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.78, no.5
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 78
- Number
- 5
- ISSN
- 1550-7998
- Abstract
- We report the first observation of B-+/- -> psi(2S)pi(+/-), a Cabibbo- and color-suppressed decay. This analysis is based on 657 x 10(6) B (B) over bar B events collected at the Y(4S) resonance with the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. The measured branching fraction is (2.44 +/- 0.22 +/- 0.20) x 10(-5) and the charge asymmetry is A = 0.022 +/- 0.085 +/- 0.016. The ratio of the branching fractions B(B-+/- -> psi(2S)pi(+/-))/B(B-+/- -> psi(2S)K-+/-) = (3.99 +/- 0.36 +/- 0.17)% is also determined.
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