Measurement of γ 5S decays to B0 and B+ mesons

A. Drutskoy, I. Adachi, H. Aihara, V. Aulchenko, T. Aushev, A. M. Bakich, V. Balagura, V. Bhardwaj, M. Bischofberger, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, Y. Chao, A. Chen, P. Chen, B. G. Cheon, S. K. Choi, Y. Choi, J. DalsenoM. Danilov, Z. Doležal, W. Dungel, S. Eidelman, N. Gabyshev, B. Golob, H. Ha, J. Haba, H. Hayashii, Y. Horii, Y. Hoshi, W. S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, K. Inami, R. Itoh, M. Iwabuchi, Y. Iwasaki, T. Julius, D. H. Kah, J. H. Kang, N. Katayama, H. Kichimi, C. Kiesling, H. J. Kim, H. O. Kim, M. J. Kim, K. Kinoshita, B. R. Ko, S. Korpar, P. Krokovny, T. Kumita, A. Kuzmin, Y. J. Kwon, S. H. Kyeong, J. S. Lange, S. H. Lee, J. Li, C. Liu, D. Liventsev, R. Louvot, A. Matyja, S. McOnie, K. Miyabayashi, H. Miyata, Y. Miyazaki, G. B. Mohanty, T. Mori, R. Mussa, Y. Nagasaka, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Ohshima, S. Okuno, S. L. Olsen, G. Pakhlova, H. Park, H. K. Park, R. Pestotnik, M. Petrič, L. E. Piilonen, A. Poluektov, S. Ryu, Y. Sakai, O. Schneider, C. Schwanda, A. J. Schwartz, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, J. G. Shiu, B. Shwartz, F. Simon, P. Smerkol, S. Stanič, M. Starič, K. Sumisawa, T. Sumiyoshi, Y. Teramoto, K. Trabelsi, T. Tsuboyama, Y. Unno, S. Uno, Y. Usov, G. Varner, K. E. Varvell, K. Vervink, M. Z. Wang, P. Wang, Y. Watanabe, J. Wicht, E. Won, B. D. Yabsley, Y. Yamashita, Z. P. Zhang, V. Zhulanov, T. Zivko, A. Zupanc

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Decays of the Υ(5S) resonance to channels with B+ and B0 mesons are studied using a 23.6fb-1 data sample collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. Fully reconstructed B+→J/ψK+, B0→J/ψK*0, B+→D̄+, and B0→D-π+ decays are used to obtain the charged and neutral B production rates per bb̄ event, f(B +)=(72.1-3.8+3.9±5.0)% and f(B0)=(77.0-5.6+5.8±6.1)%. Assuming equal rates to B+ and B0 mesons in all channels produced at the Υ(5S) energy, we measure the fractions for transitions to two-body and three-body channels with B meson pairs, f(BB̄)=(5.5-0.9+1.0±0.4)%, f(BB̄*+B*B̄)=(13. 7±1.3±1.1)%, f(B*B̄ *)=(37.5-1.9+2.1±3.0)%, f(BB̄π)=(0.0±1. 2±0.3)%, f(BB̄*π+B *B̄π)=(7.3-2.1+2.3±0.8)%, and f(B *B̄*π)=(1.0-1.3+1. 4±0.4)%. The latter three fractions are obtained assuming isospin conservation.

Original languageEnglish
Article number112003
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume81
Issue number11
DOIs
Publication statusPublished - 2010 Jun 22

All Science Journal Classification (ASJC) codes

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

Fingerprint Dive into the research topics of 'Measurement of γ 5S decays to B0 and B<sup>+</sup> mesons'. Together they form a unique fingerprint.

  • Cite this

    Drutskoy, A., Adachi, I., Aihara, H., Aulchenko, V., Aushev, T., Bakich, A. M., Balagura, V., Bhardwaj, V., Bischofberger, M., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., Chao, Y., Chen, A., Chen, P., Cheon, B. G., Choi, S. K., Choi, Y., ... Zupanc, A. (2010). Measurement of γ 5S decays to B0 and B+ mesons. Physical Review D - Particles, Fields, Gravitation and Cosmology, 81(11), [112003]. https://doi.org/10.1103/PhysRevD.81.112003