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Phys Rev Lett. 2002 Oct 07;89(15):151802. doi: 10.1103/PhysRevLett.89.151802. Epub 2002 Sep 23.

Observation of B(0)-->D((*)0)pp.

Physical review letters

K Abe, K Abe, R Abe, T Abe, Byoung Sup Ahn, H Aihara, M Akatsu, Y Asano, T Aso, V Aulchenko, T Aushev, A M Bakich, Y Ban, E Banas, A Bay, I Bedny, P K Behera, A Bondar, A Bozek, M Bracko, J Brodzicka, T E Browder, B C K Casey, P Chang, Y Chao, B G Cheon, R Chistov, S-K Choi, Y Choi, M Danilov, L Y Dong, J Dragic, A Drutskoy, S Eidelman, V Eiges, Y Enari, F Fang, C Fukunaga, N Gabyshev, A Garmash, T Gershon, A Gordon, R Guo, F Handa, T Hara, Y Harada, N C Hastings, H Hayashii, M Hazumi, E M Heenan, I Higuchi, T Higuchi, T Hojo, T Hokune, Y Hoshi, K Hoshina, S R Hou, W-S Hou, S-C Hsu, H-C Huang, T Igaki, Y Igarashi, T Iijima, K Inami, A Ishikawa, R Itoh, H Iwasaki, Y Iwasaki, H K Jang, J Kaneko, J H Kang, J S Kang, P Kapusta, N Katayama, H Kawai, Y Kawakami, N Kawamura, T Kawasaki, H Kichimi, D W Kim, Heejong Kim, H J Kim, H O Kim, Hyunwoo Kim, S K Kim, T H Kim, K Kinoshita, S Korpar, P Krokovny, R Kulasiri, S Kumar, A Kuzmin, Y-J Kwon, J S Lange, G Leder, S H Lee, J Li, D Liventsev, R-S Lu, J MacNaughton, G Majumder, F Mandl, S Matsumoto, K Miyabayashi, H Miyake, H Miyata, G R Moloney, T Mori, T Nagamine, Y Nagasaka, T Nakadaira, E Nakano, M Nakao, J W Nam, Z Natkaniec, K Neichi, S Nishida, O Nitoh, S Noguchi, T Nozaki, S Ogawa, F Ohno, T Ohshima, T Okabe, S Okuno, S L Olsen, Y Onuki, W Ostrowicz, H Ozaki, P Pakhlov, H Palka, C W Park, H Park, K S Park, L S Peak, J-P Perroud, M Peters, L E Piilonen, N Root, M Rozanska, K Rybicki, H Sagawa, S Saitoh, Y Sakai, H Sakamoto, M Satapathy, A Satpathy, O Schneider, S Schrenk, C Schwanda, S Semenov, K Senyo, R Seuster, M E Sevior, H Shibuya, B Shwartz, V Sidorov, J B Singh, S Stanic, M Staric, A Sugi, A Sugiyama, K Sumisawa, T Sumiyoshi, K Suzuki, S Suzuki, S K Swain, T Takahashi, F Takasaki, K Tamai, N Tamura, M Tanaka, G N Taylor, Y Teramoto, S Tokuda, T Tomura, S N Tovey, K Trabelsi, T Tsuboyama, T Tsukamoto, S Uehara, K Ueno, Y Unno, S Uno, S E Vahsen, G Varner, K E Varvell, C C Wang, C H Wang, J G Wang, M-Z Wang, Y Watanabe, E Won, B D Yabsley, Y Yamada, A Yamaguchi, Y Yamashita, M Yamauchi, H Yanai, J Yashima, Y Yuan, J Zhang, Z P Zhang, V Zhilich, D Zontar,

Affiliations

  1. High Energy Accelerator Research Organization (KEK), Tsukuba.

PMID: 12365981 DOI: 10.1103/PhysRevLett.89.151802

Abstract

The B meson decay modes B-->Dpp; and B-->D(*)pp; have been studied using 29.4 fb(-1) of data collected with the Belle detector at KEKB. The B;(0)-->D(0)pp; and B;(0)-->D(*0)pp; decays have been observed for the first time with branching fractions B(B;(0)-->D(0)pp;)=(1.18+/-0.15+/-0.16)x10(-4) and B(B;(0)-->D(*0)pp;)=(1.20(+0.33)(-0.29)+/-0.21)x10(-4). No signal has been found for the B+-->D(+)pp; and B+-->D(*+)pp; decay modes, and the corresponding upper limits at 90% C.L. are presented.

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