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Measurement of B-0 -> (Ds-KS0)pi(+) and B+ -> Ds-K+K+ branching fractionsopen access
- Authors
- Wiechczynski, J.; Stypula, J.; Abdesselam, A.; Adachi, I.; Adamczyk, K.; Aihara, H.; Al Said, S.; Arinstein, K.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Bakich, A. M.; Bansal, V.; Bhardwaj, V.; Bhuyan, B.; Bobrov, A.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bracko, M.; Browder, T. E.; Cervenkov, D.; Chekelian, V.; Cheon, Byung Gu; Cho, K.; Chobanova, V.; Choi, S. -K.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Dingfelder, J.; Dolezal, Z.; Drasal, Z.; Drutskoy, A.; Eidelman, S.; Farhat, H.; Fast, J. E.; Ferber, T.; Frost, O.; Gaur, V.; Gabyshev, N.; Ganguly, S.; Garmash, A.; Getzkow, D.; Gillard, R.; Goh, Y. M.; Grzymkowska, O.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; He, X. H.; Hou, W. -S.; Huschle, M.; Hyun, H. J.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Jaegle, I.; Joffe, D.; Joo, K. K.; Julius, T.; Kang, K. H.; Kato, E.; Kawasaki, T.; Kichimi, H.; Kim, D. Y.; Kim, J. B.; Kim, J. H.; Kim, M. J.; Kim, S. H.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Kodys, P.; Krizan, P.; Krokovny, P.; Kuhr, T.; Kumita, T.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Lee, I. S.; Li, Y.; Gioi, L. Li; Libby, J.; Liventsev, D.; Lukin, P.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mori, T.; Mussa, R.; Nakao, M.; Nanut, T.; Natkaniec, Z.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H.; Pedlar, T. K.; Petric, M.; Piilonen, L. E.; Ribezl, E.; Ritter, M.; Rostomyan, A.; Sakai, Y.; Sandilya, S.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Senyo, K.; Seon, O.; Sevior, M. E.; Shebalin, V.; Shen, C. P.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. -S.; Solovieva, E.; Staric, M.; Steder, M.; Sumihama, M.; Tamponi, U.; Tanida, K.; Tatishvili, G.; Teramoto, Y.; Thorne, F.; Trabelsi, K.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vorobyev, V.; Vossen, A.; Wagner, M. N.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Watanabe, M.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamaoka, J.; Yashchenko, S.; Yook, Y.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.
- Issue Date
- Feb-2015
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.91, no.3, pp.1 - 9
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 91
- Number
- 3
- Start Page
- 1
- End Page
- 9
- ISSN
- 1550-7998
- Abstract
- We report a measurement of the B-0 and B+ meson decays to the (Ds-KS0)pi(+) and Ds-K+K+ final states, respectively, using 657 x 10(6)B (B) over bar pairs collected at the gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Using the D-s(-) -> phi pi(-), K*(892)K-0(-) and (KSK-)-K-0 decay modes for the D-s reconstruction, we measure the following branching fractions: B(B-0 -> (Ds-KS0)pi(+))= [0.47 +/- 0.06(stat) +/- 0.05(syst)] x 10(-4) and B(B+ -> Ds-K+K+)= [0.93 +/- 0.22(stat) +/- 0.10(syst)] x 10(-5). We find the ratio of the branching fraction of B+ -> Ds-K+K+ to that of the analogous Cabibbo-favored B+ -> Ds-K+pi(+) decay to be R-B= 0.054 +/- 0.013(stat) +/- 0.006(syst), which is consistent with the naive factorization model. We also observe a deviation of the DsK invariant-mass distribution from the three-body phase-space model for both studied decays.
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)