Study of the charmed baryonic decays B̄0→Σc++p̄π- and B̄0→Σc0p̄π+

K. S. Park, H. Kichimi, K. Abe, K. Abe, I. Adachi, H. Aihara, D. Anipko, K. Arinstein, V. Aulchenko, T. Aushev, S. Banerjee, E. Barberio, M. Barbero, I. Bedny, K. Belous, U. Bitenc, A. Bondar, A. Bozek, M. Bračko, T. E. BrowderY. Chao, A. Chen, W. T. Chen, B. G. Cheon, R. Chistov, Y. Choi, Y. K. Choi, S. Cole, J. Dalseno, M. Dash, A. Drutskoy, S. Eidelman, D. Epifanov, S. Fratina, N. Gabyshev, T. Gershon, A. Go, G. Gokhroo, P. Goldenzweig, B. Golob, H. Ha, J. Haba, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, Y. Hoshi, S. Hou, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, J. H. Kang, P. Kapusta, T. Kawasaki, H. R. Khan, H. O. Kim, S. K. Kim, Y. J. Kim, S. Korpar, P. Krokovny, R. Kulasiri, R. Kumar, C. C. Kuo, A. Kuzmin, Y. J. Kwon, T. Lesiak, J. Li, A. Limosani, S. W. Lin, D. Liventsev, G. Majumder, F. Mandl, T. Matsumoto, S. McOnie, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, I. Nakamura, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, W. Ostrowicz, P. Pakhlov, G. Pakhlova, C. W. Park, R. Pestotnik, L. E. Piilonen, A. Poluektov, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, A. J. Schwartz, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, A. Sokolov, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, T. Sumiyoshi, F. Takasaki, K. Tamai, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, T. Tsukamoto, S. Uehara, T. Uglov, Y. Unno, S. Uno, Y. Usov, G. Varner, S. Villa, C. H. Wang, M. Z. Wang, Y. Watanabe, E. Won, Q. L. Xie, A. Yamaguchi, Y. Yamashita, M. Yamauchi, L. M. Zhang, Z. P. Zhang, V. Zhilich, A. Zupanc

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Abstract

We study the three-body charmed baryonic decays B̄0→Σ c++p̄π- and B̄0→Σc0p̄π+ in the four-body final state B̄0→Λc+p̄π+π-, using a data sample of 357fb-1 accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions B(B̄0→Σc(2455)++p̄π-)=(2.1±0.2±0. 3±0.5)×10-4, B(B̄0→Σc(2455)0p̄π+)=(1. 4±0.2±0.2±0.4)×10-4 and B(B̄0→Σ c(2520)++p̄π-)=(1.2±0.1±0.2±0.3)×10-4 with signal significances of 13.1σ, 9.4σ and 7.1σ, respectively. The errors are statistical, systematic, and due to the uncertainty in B(Λc+→pK-π+), respectively. We also set an upper limit B(B̄0→Σc(2520)0p̄π+)<0.38×10-4 at the 90% confidence level. In addition, we obtain a nonresonant branching fraction of (6.4±0.4±0.9±1.7)×10-4, and a total branching fraction of (11.2±0.5±1.4±2.9)×10-4 for B̄0→Λc+p̄π+π-.

Original languageEnglish
Article number011101
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume75
Issue number1
DOIs
Publication statusPublished - Jan 29 2007

ASJC Scopus subject areas

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

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    Park, K. S., Kichimi, H., Abe, K., Abe, K., Adachi, I., Aihara, H., Anipko, D., Arinstein, K., Aulchenko, V., Aushev, T., Banerjee, S., Barberio, E., Barbero, M., Bedny, I., Belous, K., Bitenc, U., Bondar, A., Bozek, A., Bračko, M., ... Zupanc, A. (2007). Study of the charmed baryonic decays B̄0→Σc++p̄π- and B̄0→Σc0p̄π+. Physical Review D - Particles, Fields, Gravitation and Cosmology, 75(1), [011101]. https://doi.org/10.1103/PhysRevD.75.011101