Measurement of Υ(5S) decays to B^{0} and B^{+} mesons
Drutskoy, A.; Adachi, I.; Aihara, H.; Aulchenko, V.; Aushev, T.; Bakich, A.; Balagura, V.; Bhardwaj, V.; Bischofberger, M.; Bondar, A.; Bozek, A.; Bračko, M.; Browder, T.; Chao, Y.; Chen, A.; Chen, P.; Cheon, B.; Choi, S.-K.; Choi, Y.; Dalseno, J.; Danilov, M.; Doležal, Z.; Dungel, W.; Eidelman, S.; Gabyshev, N.; Golob, B.; Ha, H.; Haba, J.; Hayashii, H.; Horii, Y.; Hoshi, Y.; Hou, W.-S.; Hsiung, Y.; Hyun, H.; Iijima, T.; Inami, K.; Itoh, R.; Iwabuchi, M.; Iwasaki, Y.; Julius, T.; Kah, D.; Kang, J.; Katayama, N.; Kichimi, H.; Kiesling, C.; Kim, H.; Kim, H.; Kim, M.; Kinoshita, K.; Ko, B.; Korpar, S.; Krokovny, P.; Kumita, T.; Kuzmin, A.; Kwon, Y.-J.; Kyeong, S.-H.; Lange, J.; Lee, S.-H.; Li, J.; Liu, C.; Liventsev, D.; Louvot, R.; Matyja, A.; Mconie, S.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Mohanty, G.; Mori, T.; Mussa, R.; Nagasaka, Y.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ohshima, T.; Okuno, S.; Olsen, S.; Pakhlova, G.; Park, H.; Park, H.; Pestotnik, R.; Petrič, M.; Piilonen, L.; Poluektov, A.; Ryu, S.; Sakai, Y.; Schneider, O.; Schwanda, C.; Schwartz, A.; Senyo, K.; Sevior, M.; Shapkin, M.; Shen, C.; Shiu, J.-G.; Shwartz, B.; Simon, F.; Smerkol, P.; Stanič, S.; Starič, M.; Sumisawa, K.; Sumiyoshi, T.; Teramoto, Y.; Trabelsi, K.; Tsuboyama, T.; Unno, Y.; Uno, S.; Usov, Y.; Varner, G.; Varvell, K.; Vervink, K.; Wang, M.-Z.; Wang, P.; Watanabe, Y.; Wicht, J.; Won, E.; Yabsley, B.; Yamashita, Y.; Zhang, Z.; Zhulanov, V.; Zivko, T.; Zupanc, A.; Belle Collaboration
2010

Abstract

Decays of the Gamma(5S) resonance to channels with B+ and B-0 mesons are studied using a 23.6 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+) e(-) collider. Fully reconstructed B+ -> J/psi K+, B-0 -> J/psi K-*0, B+ ->(D) over bar (0)pi(+), and B-0 -> D-pi(+) decays are used to obtain the charged and neutral B production rates per b (b) over bar event, f(B+) = (72.1(-3.8)(+3.9) +/- 5.0)% and f(B-0) = (77.0(-5.6)(+5.8) +/- 6.1)%. Assuming equal rates to B+ and B-0 mesons in all channels produced at the Gamma(5S) energy, we measure the fractions for transitions to two-body and three-body channels with B meson pairs, f(B (B) over bar) = (5.5(-0.9)(+1.0) +/- 0.4)%, f(B (B) over bar* + B*(B) over bar) = (13.7 +/- 1.3 +/- 1.1)%, f(B*(B) over bar*) = (37.5(-1.9)(+2.1) +/- 3.0)%, f(B (B) over bar) = (5.5(-0.9)(+1.0) +/- 0.4)%, f(B (B) over bar* + B*(B) over bar) = (13.7 +/- 1.3 +/- 1.1)%, f(B*(B) over bar*) = (37.5(-1.9)(+2.1) +/- 3.0)%, f(B (B) over bar pi) = (0.0 +/-1.2 +/- 0.3)%, f(B (B) over bar*pi + B*(B) over bar pi) = (7.3(-2.1)(+2.3) +/- 0.8)%, and f(B*(B) over bar*pi) = (1.0(-1.3)(+1.4) +/- 0.4)%. The latter three fractions are obtained assuming isospin conservation.

Details

Title Measurement of Υ(5S) decays to B^{0} and B^{+} mesons
Author(s) Drutskoy, A. ; Adachi, I. ; Aihara, H. ; Aulchenko, V. ; Aushev, T. ; Bakich, A. ; Balagura, V. ; Bhardwaj, V. ; Bischofberger, M. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Browder, T. ; Chao, Y. ; Chen, A. ; Chen, P. ; Cheon, B. ; Choi, S.-K. ; Choi, Y. ; Dalseno, J. ; Danilov, M. ; Doležal, Z. ; Dungel, W. ; Eidelman, S. ; Gabyshev, N. ; Golob, B. ; Ha, H. ; Haba, J. ; Hayashii, H. ; Horii, Y. ; Hoshi, Y. ; Hou, W.-S. ; Hsiung, Y. ; Hyun, H. ; Iijima, T. ; Inami, K. ; Itoh, R. ; Iwabuchi, M. ; Iwasaki, Y. ; Julius, T. ; Kah, D. ; Kang, J. ; Katayama, N. ; Kichimi, H. ; Kiesling, C. ; Kim, H. ; Kim, H. ; Kim, M. ; Kinoshita, K. ; Ko, B. ; Korpar, S. ; Krokovny, P. ; Kumita, T. ; Kuzmin, A. ; Kwon, Y.-J. ; Kyeong, S.-H. ; Lange, J. ; Lee, S.-H. ; Li, J. ; Liu, C. ; Liventsev, D. ; Louvot, R. ; Matyja, A. ; Mconie, S. ; Miyabayashi, K. ; Miyata, H. ; Miyazaki, Y. ; Mohanty, G. ; Mori, T. ; Mussa, R. ; Nagasaka, Y. ; Nakao, M. ; Natkaniec, Z. ; Nishida, S. ; Nitoh, O. ; Ohshima, T. ; Okuno, S. ; Olsen, S. ; Pakhlova, G. ; Park, H. ; Park, H. ; Pestotnik, R. ; Petrič, M. ; Piilonen, L. ; Poluektov, A. ; Ryu, S. ; Sakai, Y. ; Schneider, O. ; Schwanda, C. ; Schwartz, A. ; Senyo, K. ; Sevior, M. ; Shapkin, M. ; Shen, C. ; Shiu, J.-G. ; Shwartz, B. ; Simon, F. ; Smerkol, P. ; Stanič, S. ; Starič, M. ; Sumisawa, K. ; Sumiyoshi, T. ; Teramoto, Y. ; Trabelsi, K. ; Tsuboyama, T. ; Unno, Y. ; Uno, S. ; Usov, Y. ; Varner, G. ; Varvell, K. ; Vervink, K. ; Wang, M.-Z. ; Wang, P. ; Watanabe, Y. ; Wicht, J. ; Won, E. ; Yabsley, B. ; Yamashita, Y. ; Zhang, Z. ; Zhulanov, V. ; Zivko, T. ; Zupanc, A. ; Belle Collaboration
Published in Physical Review D
Volume 81
Issue 11
Pages 112003
Date 2010
ISSN 1550-2368
Keywords
DOI https://doi.org/10.1103/PhysRevD.81.112003
Other identifier(s) View record in Web of Science
Laboratories LPHE
Record Appears in Scientific production and competences > SB - School of Basic Sciences > IPHYS - Institute of Physics > LPHE - High Energy Physics Laboratory
Peer-reviewed publications
Work produced at EPFL
Journal Articles
Published
Record creation date 2010-11-05

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