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, Hirokazu 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

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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
Volume78
Issue number9
DOIs
Publication statusPublished - Nov 21 2008
Externally publishedYes

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Kumar, R., Singh, J. B., Adachi, I., Aihara, H., Arinstein, K., Aushev, T., Aziz, T., Bakich, A. M., Balagura, V., Bay, A., Bhardwaj, V., Bitenc, U., Bozek, A., Bračko, M., Browder, T. E., Chen, A., Cheon, B. G., Chistov, R., Cho, I. S., ... Zyukova, O. (2008). Evidence for B0→χc1π0 at Belle. Physical Review D, 78(9), [091104]. https://doi.org/10.1103/PhysRevD.78.091104