Measurement of the branching fractions for B-→D(*)+π-+ -ν̄ and B0̄→D(*)0π+ -ν̄ and B

D. Liventsev, T. Matsumoto, K. Abe, K. Abe, H. Aihara, Y. Asano, T. Aushev, A. M. Bakich, V. Balagura, M. Barbero, I. Bedny, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, M. Bračko, T. E. Browder, Y. Chao, A. Chen, W. T. ChenB. G. Cheon, R. Chistov, Y. Choi, A. Chuvikov, S. Cole, J. Dalseno, M. Dash, L. Y. Dong, S. Eidelman, Y. Enari, S. Fratina, N. Gabyshev, T. Gershon, A. Go, G. Gokhroo, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, M. Hazumi, L. Hinz, T. Hokuue, Y. Hoshi, S. Hou, W. S. Hou, T. Iijima, K. Ikado, A. Imoto, A. Ishikawa, R. Itoh, M. Iwasaki, J. H. Kang, J. S. Kang, S. U. Kataoka, T. Kawasaki, H. R. Khan, H. Kichimi, S. M. Kim, K. Kinoshita, P. Križan, P. Krokovny, C. C. Kuo, A. Kuzmin, Y. J. Kwon, T. Lesiak, S. W. Lin, F. Mandl, A. Matyja, W. Mitaroff, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, Y. Onuki, W. Ostrowicz, H. Ozaki, P. Pakhlov, H. Palka, C. W. Park, N. Parslow, R. Pestotnik, L. E. Piilonen, F. J. Ronga, M. Rozanska, Y. Sakai, N. Sato, N. Satoyama, K. Sayeed, T. Schietinger, O. Schneider, C. Schwanda, H. Shibuya, B. Shwartz, A. Somov, N. Soni, S. Stanič, M. Starič, T. Sumiyoshi, S. Y. Suzuki, K. Tamai, N. Tamura, M. Tanaka, Y. Teramoto, X. C. Tian, T. Tsukamoto, S. Uehara, T. Uglov, K. Ueno, Y. Unno, S. Uno, P. Urquijo, G. Varner, K. E. Varvell, S. Villa, C. H. Wang, M. Z. Wang, Y. Watanabe, Eunil Won, Q. L. Xie, A. Yamaguchi, Y. Yamashita, M. Yamauchi, J. Ying, L. M. Zhang, Z. P. Zhang, V. Zhilich

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13 Citations (Scopus)

Abstract

We report on a measurement of the branching fractions for B-→D(*)+π- -ν̄ and B0̄→D(*)0π+ -ν̄ with 275×106 BB̄ events collected at the Υ(4S) resonance with the Belle detector at KEKB. Events are tagged by fully reconstructing one of the B mesons in hadronic modes. We obtain B(B-→D+π- -ν̄)=(0.54±0.07(stat)±0.07(syst) ±0.06(BR))×10-2, B(B-→D*+π- -ν̄)=(0. 67±0.11(stat)±0.09(syst)±0.03(BR))×10-2, B(B0̄→D0π+ -ν̄)=(0.33±0.06(stat)±0.06(syst) ±0.03(BR))×10-2, B(B0̄→D*0π+ -ν̄)=(0.65±0.12(stat)±0.08(syst)±0.05(BR)) ×10-2, where the third error comes from the error on B̄→ D(*) -ν̄ decays. Contributions from B0̄→D*+- ν̄ decays are excluded in the measurement of B0̄→D0π+- ν̄.

Original languageEnglish
Article number051109
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume72
Issue number5
DOIs
Publication statusPublished - 2005 Sep 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics
  • Mathematical Physics

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    Liventsev, D., Matsumoto, T., Abe, K., Abe, K., Aihara, H., Asano, Y., Aushev, T., Bakich, A. M., Balagura, V., Barbero, M., Bedny, I., Bitenc, U., Bizjak, I., Blyth, S., Bondar, A., Bračko, M., Browder, T. E., Chao, Y., Chen, A., ... Zhilich, V. (2005). Measurement of the branching fractions for B-→D(*)+π-+ -ν̄ and B0̄→D(*)0π+ -ν̄ and B. Physical Review D - Particles, Fields, Gravitation and Cosmology, 72(5), [051109]. https://doi.org/10.1103/PhysRevD.72.051109