Study of B0 → D(*)0π+π- decays

A. Satpathy, K. Abe, R. Abe, T. Abe, I. Adachi, H. Aihara, M. Akatsu, Y. Asano, T. Aso, T. Aushev, A. M. Bakich, Y. Ban, A. Bay, I. Bedny, P. K. Behera, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, B. C.K. CaseyP. Chang, Y. Chao, K. F. Chen, B. G. Cheon, R. Chistov, S. K. Choi, Y. Choi, M. Danilov, L. Y. Dong, S. Eidelman, V. Eiges, C. Fukunaga, N. Gabyshev, A. Garmash, T. Gershon, B. Golob, J. Haba, T. Hara, N. C. Hastings, H. Hayashii, M. Hazumi, I. Higuchi, L. Hinz, T. Hokuue, W. S. Hou, H. C. Huang, T. Igaki, Y. Igarashi, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, H. Iwasaki, Y. Iwasaki, H. K. Jang, J. H. Kang, P. Kapusta, S. U. Kataoka, N. Katayama, H. Kawai, Y. Kawakami, N. Kawamura, T. Kawasaki, T. Kichimi, D. W. Kim, H. J. Kim, Hyunwoo Kim, S. K. Kim, K. Kinoshita, S. Kobayashi, P. Krokovny, R. Kulasiri, S. Kumar, A. Kuzmin, Y. J. Kwon, S. H. Lee, J. Li, D. Liventsev, R. S. Lu, J. MacNaughton, G. Majumder, F. Mandl, S. Matsumoto, T. Matsumoto, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, T. Mori, T. Nagamine, Y. Nagasaka, T. Nakadaira, E. Nakano, M. Nakao, H. Nakazawa, J. W. Nam, Z. Natkaniec, S. Nishida

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We report on a study of B 0 → D(*)0 π+π- decays using 29.1 fb-1 of e+e- annihilation data recorded at the γ(4S) resonance with the Belle detector at the KEKB storage ring. Making no assumptions about the intermediate mechanism, the branching fractions for B 0 → D0π+π- and B 0 → D*+π+π- are determined to be (8.0 ± 0.6 ± 1.5) x 10-4 and (6.2 ± 1.2 ± 1.8) × 10-4, respectively. An analysis of B 0 → D0π+π- candidates yields to the first observation of the color-suppressed hadronic decay B 0 → D0ρ0 with the branching fraction (2.9 ± 1.0 ± 0.4) × 10-4. We measure the ratio of branching fractions Β(B 0 → D0ρ0)/Β(B 0 → D0ω) = 1.6 ± 0.8.

Original languageEnglish
Pages (from-to)159-166
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume553
Issue number3-4
DOIs
Publication statusPublished - 2003 Feb 6

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Fingerprint Dive into the research topics of 'Study of B<sup>0</sup> → D<sup>(*)0</sup>π<sup>+</sup>π<sup>-</sup> decays'. Together they form a unique fingerprint.

  • Cite this

    Satpathy, A., Abe, K., Abe, R., Abe, T., Adachi, I., Aihara, H., Akatsu, M., Asano, Y., Aso, T., Aushev, T., Bakich, A. M., Ban, Y., Bay, A., Bedny, I., Behera, P. K., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., ... Nishida, S. (2003). Study of B0 → D(*)0π+π- decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 553(3-4), 159-166. https://doi.org/10.1016/S0370-2693(02)03198-2