Evidence for B0 --> D+ D- and observation of B- --> D0D- and B- -->D0D*- decays

G Majumder; K Abe; K Abe; I Adachi; H Aihara; Y Asano; V Aulchenko; T Aushev; S Bahinipati; A M Bakich; S Banerjee; I Bedny; U Bitenc; I Bizjak; S Blyth; A Bondar; A Bozek; M Bracko; J Brodzicka; T E Browder; M-C Chang; P Chang; Y Chao; A Chen; K-F Chen; W T Chen; B G Cheon; R Chistov; Y Choi; A Chuvikov; S Cole; J Dalseno; M Danilov; M Dash; A Drutskoy; S Eidelman; Y Enari; S Fratina; N Gabyshev; T Gershon; A Go; G Gokhroo; B Golob; A Gorisek; J Haba; T Hara; N C Hastings; K Hayasaka; H Hayashii; M Hazumi; L Hinz; T Hokuue; Y Hoshi; S Hou; W-S Hou; Y B Hsiung; T Iijima; A Imoto; K Inami; A Ishikawa; R Itoh; M Iwasaki; J H Kang; J S Kang; N Katayama; H Kawai; T Kawasaki; H R Khan; H Kichimi; H J Kim; S K Kim; S M Kim; P Krizan; P Krokovny; R Kulasiri; S Kumar; C C Kuo; A Kuzmin; Y-J Kwon; G Leder; S E Lee; T Lesiak; J Li; S-W Lin; D Liventsev; J Macnaughton; F Mandl; T Matsumoto; A Matyja; Y Mikami; W Mitaroff; K Miyabayashi; H Miyake; H Miyata; R Mizuk; D Mohapatra; G R Moloney; T Nagamine; Y Nagasaka; I Nakamura; E Nakano; M Nakao; H Nakazawa; Z Natkaniec; S Nishida; O Nitoh; S Ogawa; T Ohshima; T Okabe; S Okuno; S L Olsen; W Ostrowicz; H Ozaki; H Palka; C W Park; H Park; N Parslow; L S Peak; R Pestotnik; L E Piilonen; M Rozanska; H Sagawa; Y Sakai; N Sato; T Schietinger; O Schneider; P Schönmeier; J Schümann; M E Sevior; H Shibuya; B Shwartz; V Sidorov; J B Singh; A Somov; N Soni; R Stamen; S Stanic; M Staric; K Sumisawa; T Sumiyoshi; S Suzuki; S Y Suzuki; O Tajima; F Takasaki; K Tamai; N Tamura; M Tanaka; G N Taylor; Y Teramoto; X C Tian; T Tsukamoto; S Uehara; T Uglov; K Ueno; S Uno; P Urquijo; G Varner; K E Varvell; S Villa; C C Wang; C H Wang; M-Z Wang; Y Watanabe; Q L Xie; A Yamaguchi; Y Yamashita; M Yamauchi; Heyoung Yang; J Ying; C C Zhang; L M Zhang; Z P Zhang; V Zhilich; D Zontar; Belle Collaboration

doi:10.1103/PhysRevLett.95.041803

Evidence for B0 --> D+ D- and observation of B- --> D0D- and B- -->D0D*- decays

Phys Rev Lett. 2005 Jul 22;95(4):041803. doi: 10.1103/PhysRevLett.95.041803. Epub 2005 Jul 20.

Authors

G Majumder¹, K Abe, K Abe, I Adachi, H Aihara, Y Asano, V Aulchenko, T Aushev, S Bahinipati, A M Bakich, S Banerjee, I Bedny, U Bitenc, I Bizjak, S Blyth, A Bondar, A Bozek, M Bracko, J Brodzicka, T E Browder, M-C Chang, P Chang, Y Chao, A Chen, K-F Chen, W T Chen, B G Cheon, R Chistov, Y Choi, A Chuvikov, S Cole, J Dalseno, M Danilov, M Dash, A Drutskoy, S Eidelman, Y Enari, S Fratina, N Gabyshev, T Gershon, A Go, G Gokhroo, B Golob, A Gorisek, J Haba, T Hara, N C Hastings, K Hayasaka, H Hayashii, M Hazumi, L Hinz, T Hokuue, Y Hoshi, S Hou, W-S Hou, Y B Hsiung, T Iijima, A Imoto, K Inami, A Ishikawa, R Itoh, M Iwasaki, J H Kang, J S Kang, N Katayama, H Kawai, T Kawasaki, H R Khan, H Kichimi, H J Kim, S K Kim, S M Kim, P Krizan, P Krokovny, R Kulasiri, S Kumar, C C Kuo, A Kuzmin, Y-J Kwon, G Leder, S E Lee, T Lesiak, J Li, S-W Lin, D Liventsev, J Macnaughton, F Mandl, T Matsumoto, A Matyja, Y Mikami, W Mitaroff, K Miyabayashi, H Miyake, H Miyata, R Mizuk, D Mohapatra, G R Moloney, T Nagamine, Y Nagasaka, I Nakamura, E Nakano, M Nakao, H Nakazawa, Z Natkaniec, S Nishida, O Nitoh, S Ogawa, T Ohshima, T Okabe, S Okuno, S L Olsen, W Ostrowicz, H Ozaki, H Palka, C W Park, H Park, N Parslow, L S Peak, R Pestotnik, L E Piilonen, M Rozanska, H Sagawa, Y Sakai, N Sato, T Schietinger, O Schneider, P Schönmeier, J Schümann, M E Sevior, H Shibuya, B Shwartz, V Sidorov, J B Singh, A Somov, N Soni, R Stamen, S Stanic, M Staric, K Sumisawa, T Sumiyoshi, S Suzuki, S Y Suzuki, O Tajima, F Takasaki, K Tamai, N Tamura, M Tanaka, G N Taylor, Y Teramoto, X C Tian, T Tsukamoto, S Uehara, T Uglov, K Ueno, S Uno, P Urquijo, G Varner, K E Varvell, S Villa, C C Wang, C H Wang, M-Z Wang, Y Watanabe, Q L Xie, A Yamaguchi, Y Yamashita, M Yamauchi, Heyoung Yang, J Ying, C C Zhang, L M Zhang, Z P Zhang, V Zhilich, D Zontar; Belle Collaboration

Affiliation

¹ Tata Institute of Fundamental Research, Bombay.

PMID: 16090797
DOI: 10.1103/PhysRevLett.95.041803

Abstract

We report evidence for B(0) --> D(0)D(-) and the first observation of the decay modes B(-) --> D(0)D(-) and B(-) --> D(0)D(*-) based on a sample of 152 x 10(6) BB events collected by the Belle detector at KEKB. The branching fractions for B(0) --> D(+) D(-), B--->D(0)D(-), and B--> D(0)D(*-) are found to be (1.91 +/- 0.51 +/- 0.30) x10(-4), (4.83 +/- 0.78 +/- 0.58) x 10(-4), and (4.57 +/- 0.71 +/- 0.56) x 10(-4), respectively. Charge asymmetries in the B---> D(0)D(-) and B(-) --> D(0)D(*-) channels are consistent with zero.