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Measurement of the branching fraction and charge asymmetry of the decay B+-> D+(D)over-bar(0) and search for B-0 -> D-0(D)over-bar(0)

Authors
Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Aushev, T.Bakich, A. M.Balagura, V.Belous, K.Bhardwaj, V.Bitenc, U.Blyth, S.Bondar, A.Bozek, A.Bracko, M.Brodzicka, J.Chao, Y.Chen, A.Chen, K. -F.Chen, W. T.Cheon, B. G.Chistov, R.Cho, I. -S.Choi, S. -K.Choi, Y.Dalseno, J.Dash, M.Eidelman, S.Epifanov, D.Fratina, S.Ha, H.Haba, J.Hara, T.Hazumi, M.Heffernan, D.Hoshi, Y.Hou, W. -S.Hyun, H. J.Inami, K.Ishikawa, A.Ishino, H.Iwasaki, M.Iwasaki, Y.Kah, D. H.Katayama, N.Kawai, H.Kawasaki, T.Kichimi, H.Kim, H. J.Kim, S. K.Kinoshita, K.Korpar, S.Krokovny, P.Kuo, C. C.Kuroki, Y.Kuzmin, A.Kwon, Y. -J.Lee, J. S.Lee, M. J.Lee, S. E.Lesiak, T.Lin, S. -W.Liu, C.Liventsev, D.Mandl, F.McOnie, S.Medvedeva, T.Mitaroff, W.Miyabayashi, K.Miyata, H.Miyazaki, Y.Mizuk, R.Mohapatra, D.Nakao, M.Natkaniec, Z.Nishida, S.Nitoh, O.Ogawa, S.Ohshima, T.Okuno, S.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Park, H. K.Peak, L. S.Piilonen, L. E.Poluektov, A.Sahoo, H.Sakai, Y.Schneider, O.Schumann, J.Schwanda, C.Senyo, K.Shapkin, M.Shibuya, H.Shiu, J. -G.Somov, A.Staric, M.Sumiyoshi, T.Tanaka, M.Teramoto, Y.Trabelsi, K.Tsuboyama, T.Uehara, S.Ueno, K.Unno, Y.Uno, S.Usov, Y.Varner, G.Varvell, K. E.Vervink, K.Wang, P.Watanabe, Y.Won, E.Yamashita, Y.Zhang, C. C.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zupanc, A.Zyukova, O.
Issue Date
5월-2008
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.77, no.9
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
77
Number
9
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123564
DOI
10.1103/PhysRevD.77.091101
ISSN
1550-7998
Abstract
We report an improved measurement of the B+-> D+(D) over bar (0) and B-0 -> D-0(D) over bar (0) decays based on 657 x 10(6) B (B) over bar events collected with the Belle detector at KEKB. We measure the branching fraction and charge asymmetry for the B+-> D+(D) over bar (0) decay: B(B+-> D+(D) over bar (0)) = (3.85 +/- 0.31 +/- 0.38) x 10(-4) and A(CP)(B+-> D+(D) over bar (0))= 0.00 +/- 0.08 +/- 0.02, where the first error is statistical and the second is systematic. We also set the upper limit for the B-0 -> D-0(D) over bar (0) decay: B(B-0 -> D-0(D) over bar (0)) < 0.43 x 10(-4) at 90% CL.
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