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Measurements of branching fractions for B-0 -> D-s(+) pi(-) and (B)over-bar(0) -> D-s(+) K-
- Authors
- Das, A.; Aziz, T.; Trabelsi, K.; Mohanty, B.; Adachi, I.; Aihara, H.; Arinstein, K.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Balagura, V.; Barberio, E.; Belous, K.; Bhardwaj, V.; Bhuyan, B.; Bischofberger, M.; Bondar, A.; Bozek, A.; Bracko, M.; Browder, T. E.; Chao, Y.; Chen, A.; Chen, K. -F.; Chen, P.; Cheon, B. G.; Chiang, C. -C.; Cho, I. -S.; Choi, Y.; Dalseno, J.; Danilov, M.; Dolezal, Z.; Drasal, Z.; Drutskoy, A.; Dungel, W.; Eidelman, S.; Esen, S.; Gabyshev, N.; Ha, H.; Hayasaka, K.; Hayashii, H.; Horii, Y.; Hoshi, Y.; Hou, W. -S.; Hyun, H. J.; Iijima, T.; Inami, K.; Itoh, R.; Iwabuchi, M.; Iwasaki, Y.; Joshi, N. J.; Julius, T.; Kah, D. H.; Kang, J. H.; Kapusta, P.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kiesling, C.; Kim, H. J.; Kim, H. O.; Kim, J. H.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Kodys, P.; Korpar, S.; Krizan, P.; Krokovny, P.; Kuhr, T.; Kumar, R.; Kumita, T.; Kwon, Y. -J.; Kyeong, S. -H.; Lange, J. S.; Lee, M. J.; Lee, S. -H.; Li, J.; Liu, C.; Liu, Y.; Liventsev, D.; Louvot, R.; MacNaughton, J.; Matyja, A.; McOnie, S.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Mori, T.; Nakano, E.; Nakao, M.; Neubauer, S.; Nishida, S.; Nitoh, O.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Pakhlova, G.; Park, C. W.; Park, H.; Park, H. K.; Park, K. S.; Pestotnik, R.; Petric, M.; Piilonen, L. E.; Roehrken, M.; Ryu, S.; Sahoo, H.; Sakai, K.; Sakai, Y.; Schneider, O.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shebalin, V.; Shen, C. P.; Shiu, J. -G.; Shwartz, B.; Simon, F.; Singh, J. B.; Sinha, R.; Smerkol, P.; Sokolov, A.; Solovieva, E.; Staric, M.; Sumiyoshi, T.; Suzuki, S.; Teramoto, Y.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Usov, Y.; Varner, G.; Vervink, K.; Wang, C. H.; Wang, P.; Watanabe, M.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamashita, Y.; Yamauchi, M.; Zhang, C. C.; Zhang, Z. P.; Zhilich, V.; Zhou, P.; Zhulanov, V.; Zupanc, A.; Zyukova, O.
- Issue Date
- Sep-2010
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.82, no.5, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 82
- Number
- 5
- Start Page
- 1
- End Page
- 7
- ISSN
- 1550-7998
- Abstract
- We present improved measurements of the branching fractions for the decays B-0 -> D-s(+) pi(-) and (B) over bar (0) -> D-s(+) K- using a data sample of 657 X 10(6) B (B) over bar events collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric- energy e(+)e(-) collider. The results are B(B-0 -> D-s(+) pi(-)) = (1.99 +/- 0.26 +/- 0.18) X 10(-5) and B((B) over bar (0) -> D-s(+) K-) = (1.91 +/- 0.24 +/- 0.17) X 10(-5), where the uncertainties are statistical and systematic, respectively. Based on these results, we determine the ratio between amplitudes of the doubly Cabibbo suppressed decay B-0 -> D+pi(-) and the Cabibbo favored decay B-0 -> D-pi(+), R-D pi = [1.71 +/- 0.11(stat) +/- 0.09(syst) +/- 0.02(theo)]%, where the last term denotes the theory error.
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)