Measurement of B→Ds(*)Kπ branching fractions

J. Wiechczynski, T. Lesiak, H. Aihara, K. Arinstein, V. Aulchenko, A. M. Bakich, V. Balagura, E. Barberio, A. Bay, K. Belous, V. Bhardwaj, A. Bondar, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, Y. Chao, A. Chen, B. G. Cheon, R. ChistovI. S. Cho, Y. Choi, J. Dalseno, M. Dash, A. Drutskoy, S. Eidelman, D. Epifanov, N. Gabyshev, A. Garmash, P. Goldenzweig, H. Ha, B. Y. Han, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, K. Inami, A. Ishikawa, M. Iwasaki, D. H. Kah, J. H. Kang, P. Kapusta, H. Kawai, T. Kawasaki, H. Kichimi, H. O. Kim, J. H. Kim, Y. I. Kim, Y. J. Kim, B. R. Ko, P. Križan, P. Krokovny, A. Kuzmin, Y. J. Kwon, S. H. Kyeong, S. E. Lee, C. Liu, Y. Liu, D. Liventsev, R. Louvot, A. Matyja, S. McOnie, T. Medvedeva, H. Miyata, Y. Miyazaki, T. Mori, Y. Nagasaka, E. Nakano, M. Nakao, H. Nakazawa, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Palka, C. W. Park, H. K. Park, K. S. Park, R. Pestotnik, L. E. Piilonen, A. Poluektov, H. Sahoo, Y. Sakai, O. Schneider, C. Schwanda, A. Sekiya, K. Senyo, M. E. Sevior, M. Shapkin, V. Shebalin, J. G. Shiu, B. Shwartz, J. B. Singh, A. Sokolov, S. Stanič, M. Starič, J. Stypula, T. Sumiyoshi, G. N. Taylor, Y. Teramoto, I. Tikhomirov, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, Y. Usov, G. Varner, K. E. Varvell, K. Vervink, A. Vinokurova, C. H. Wang, M. Z. Wang, P. Wang, Y. Watanabe, E. Won, B. D. Yabsley, Y. Yamashita, V. Zhilich, V. Zhulanov, T. Zivko, A. Zupanc, N. Zwahlen, O. Zyukova

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9 Citations (Scopus)

Abstract

We report a measurement of the exclusive B+ meson decay to the Ds(*)-K+π+ final state using 657×106BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We use Ds*-→Ds-γ and the Ds-→ π-, K̄*(892)0K- and KS0K- decay modes for Ds(*) reconstruction and measure the following branching fractions: B(B+→Ds-K+π+)=(1.71-0.07+0. 08(stat)-0.20+0.20(syst)±0.15(Bint))×10-4 and B(B+→Ds*- K+π+)=(1.31-0.12+0.13(stat)-0.25+0.25(syst)±0.12(Bint))×10-4. The uncertainties are due to statistics, experimental systematic errors, and uncertainties of intermediate branching fractions, respectively.

Original languageEnglish
Article number052005
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume80
Issue number5
DOIs
Publication statusPublished - 2009 Sep 17

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    Wiechczynski, J., Lesiak, T., Aihara, H., Arinstein, K., Aulchenko, V., Bakich, A. M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bhardwaj, V., Bondar, A., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., Chao, Y., Chen, A., Cheon, B. G., ... Zyukova, O. (2009). Measurement of B→Ds(*)Kπ branching fractions. Physical Review D - Particles, Fields, Gravitation and Cosmology, 80(5), [052005]. https://doi.org/10.1103/PhysRevD.80.052005