Evidence for B0→χc1π0 at Belle

R. Kumar*, J. B. Singh, I. Adachi, H. Aihara, K. Arinstein, T. Aushev, T. Aziz, A. M. Bakich, V. Balagura, A. Bay, V. Bhardwaj, U. Bitenc, A. Bozek, M. Bračko, T. E. Browder, A. Chen, B. G. Cheon, R. Chistov, I. S. Cho, Y. ChoiJ. Dalseno, M. Dash, A. Drutskoy, W. Dungel, S. Eidelman, N. Gabyshev, P. Goldenzweig, B. Golob, H. Ha, J. Haba, K. Hayasaka, H. Hayashii, M. Hazumi, Y. Horii, Y. Hoshi, W. S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, D. H. Kah, J. H. Kang, N. Katayama, H. Kawai, T. Kawasaki, H. Kichimi, S. K. Kim, Y. I. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, A. Kuzmin, Y. J. Kwon, S. H. Kyeong, J. S. Lange, J. S. Lee, M. J. Lee, A. Limosani, S. W. Lin, D. Liventsev, R. Louvot, F. Mandl, A. Matyja, S. McOnie, T. Medvedeva, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, T. Mori, I. Nakamura, E. Nakano, H. Nakazawa, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, H. Ozaki, P. Pakhlov, G. Pakhlova, C. W. Park, H. Park, H. K. Park, R. Pestotnik, L. E. Piilonen, H. Sahoo, Y. Sakai, O. Schneider, A. Sekiya, K. Senyo, M. Shapkin, J. G. Shiu, B. Shwartz, A. Somov, S. Stanič, M. Starič, T. Sumiyoshi, S. Suzuki, M. Tanaka, G. N. Taylor, Y. Teramoto, K. Trabelsi, S. Uehara, Y. Unno, S. Uno, Y. Usov, G. Varner, K. Vervink, C. C. Wang, C. H. Wang, M. Z. Wang, P. Wang, Y. Watanabe, R. Wedd, E. Won, Y. Yamashita, C. C. Zhang, Z. P. Zhang, V. Zhulanov, T. Zivko, A. Zupanc, O. Zyukova

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

We present a measurement of the branching fraction for the Cabibbo- and color-suppressed B0→χc1π0 decay based on a data sample of 657×106BB̄ events collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We observe a signal of 40±9 events with a significance of 4.7σ including systematic uncertainties. The measured branching fraction is B(B0→χc1π0)=(1. 12±0.25(stat)±0.12(syst.))×10-5.

Original languageEnglish
Article number091104
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume78
Issue number9
DOIs
Publication statusPublished - 2008 Nov 21

ASJC Scopus subject areas

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

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