Observation of a near-threshold D0D̄0π0 enhancement in B→D0D̄0π0K decay

G. Gokhroo, G. Majumder, K. Abe, K. Abe, I. Adachi, H. Aihara, D. Anipko, T. Aushev, T. Aziz, A. M. Bakich, V. Balagura, S. Banerjee, K. Belous, U. Bitenc, I. Bizjak, S. Blyth, A. Bozek, M. Bračko, J. Brodzicka, T. E. BrowderP. Chang, Y. Chao, A. Chen, K. F. Chen, W. T. Chen, R. Chistov, S. K. Choi, Y. Choi, Y. K. Choi, A. Chuvikov, S. Cole, J. Dalseno, M. Danilov, M. Dash, S. Eidelman, S. Fratina, T. Gershon, A. Go, B. Golob, A. Gorišek, H. Ha, J. Haba, K. Hayasaka, M. Hazumi, D. Heffernan, T. Hokuue, Y. Hoshi, S. Hou, W. S. Hou, Y. B. Hsiung, T. Iijima, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, J. H. Kang, H. Kawai, T. Kawasaki, H. Kichimi, H. O. Kim, Y. J. Kim, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, C. C. Kuo, Y. J. Kwon, J. S. Lange, G. Leder, T. Lesiak, S. W. Lin, D. Liventsev, F. Mandl, T. Matsumoto, S. McOnie, W. Mitaroff, H. Miyata, Y. Miyazaki, R. Mizuk, G. R. Moloney, T. Nagamine, Y. Nagasaka, M. Nakao, S. Nishida, O. Nitoh, S. Noguchi, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, W. Ostrowicz, H. Ozaki, P. Pakhlov, H. Palka, R. Pestotnik, L. E. Piilonen, Y. Sakai, T. R. Sarangi, T. Schietinger, O. Schneider, R. Seidl, K. Senyo, M. Shapkin, H. Shibuya, V. Sidorov, J. B. Singh, A. Sokolov, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, A. Sugiyama, T. Sumiyoshi, F. Takasaki, M. Tanaka, Y. Teramoto, X. C. Tian, T. Tsukamoto, S. Uehara, T. Uglov, K. Ueno, Y. Usov, G. Varner, S. Villa, C. H. Wang, M. Z. Wang, Y. Watanabe, E. Won, C. H. Wu, A. Yamaguchi, Y. Yamashita, M. Yamauchi, C. C. Zhang, Z. P. Zhang, V. Zhilich

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Abstract

We report the first observation of a near-threshold enhancement in the D0D̄0π0 system from B→D0D̄0π0K decays using a 414fb-1 data sample collected at the Υ(4S) resonance. The enhancement peaks at a mass M=3875.2±0.7-1.6+0.3±0.8MeV/c2 and the branching fraction for events in the peak is B(B→D0D̄0π0K)=(1.22±0.31+0.23-0.30) ×10-4. The data were collected with the Belle detector at the KEKB energy-asymmetric e+e- collider.

Original languageEnglish
Article number162002
JournalPhysical review letters
Volume97
Issue number16
DOIs
Publication statusPublished - 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Gokhroo, G., Majumder, G., Abe, K., Abe, K., Adachi, I., Aihara, H., Anipko, D., Aushev, T., Aziz, T., Bakich, A. M., Balagura, V., Banerjee, S., Belous, K., Bitenc, U., Bizjak, I., Blyth, S., Bozek, A., Bračko, M., Brodzicka, J., ... Zhilich, V. (2006). Observation of a near-threshold D0D̄0π0 enhancement in B→D0D̄0π0K decay. Physical review letters, 97(16), [162002]. https://doi.org/10.1103/PhysRevLett.97.162002