Abe, K; Abe, K; Abe, N; Abe, R; Abe, T; Ahn, BS; Aihara, H; ... Belle Collaboration; + view all Abe, K; Abe, K; Abe, N; Abe, R; Abe, T; Ahn, BS; Aihara, H; Akatsu, M; Asano, Y; Aso, T; Aulchenko, V; Aushev, T; Bakich, AM; Ban, Y; Behera, PK; Bizjak, I; Bondar, A; Bozek, A; Bracko, M; Browder, TE; Casey, BCK; Chang, MC; Chang, P; Chao, Y; Cheon, BG; Chistov, R; Choi, Y; Choi, YK; Danilov, M; Dong, LY; Drutskoy, A; Eidelman, S; Eiges, V; Enari, Y; Fang, F; Fujii, H; Fukunaga, C; Gabyshev, N; Garmash, A; Gershon, T; Golob, B; Gordon, A; Guo, R; Haba, J; Hara, T; Harada, Y; Hayashii, H; Hazumi, M; Heenan, EM; Higuchi, I; Higuchi, T; Hinz, L; Hokuue, T; Hoshi, Y; Hou, SR; Hou, WS; Hsu, SC; Huang, HC; Igaki, T; Igarashi, Y; Iijima, T; Inami, K; Ishikawa, A; Ishino, H; Itoh, R; Iwasaki, H; Iwasaki, Y; Jang, HK; Kang, JH; Kang, JS; Katayama, N; Kawakami, Y; Kawamura, N; Kawasaki, T; Kichimi, H; Kim, DW; Kim, H; Kim, HJ; Kim, HO; Kim, H; Kim, SK; Kim, TH; Kinoshita, K; Korpar, S; Krizan, P; Krokovny, P; Kulasiri, R; Kumar, S; Kuzmin, A; Kwon, YJ; Lange, JS; Leder, G; Lee, SH; Li, J; Limosani, A; Liventsev, D; Lu, RS; MacNaughton, J; Majumder, G; Mandl, F; Marlow, D; Matsuishi, T; Matsumoto, S; Matsumoto, T; Mitaroff, W; Miyabayashi, K; Miyabayashi, Y; Miyake, H; Miyata, H; Moloney, GR; Mori, T; Murakami, A; Nagamine, T; Nagasaka, Y; Nakadaira, T; Nakano, E; Nakao, M; Nam, JW; Natkaniec, Z; Neichi, K; Nishida, S; Nitoh, O; Noguchi, S; Nozaki, T; Ogawa, S; Ohshima, T; Okabe, T; Okuno, S; Olsen, SL; Onuki, Y; Ostrowicz, W; Ozaki, H; Pakhlov, P; Palka, H; Park, CW; Park, H; Peak, LS; Perroud, JP; Peters, M; Piilonen, LE; Rodriguez, JL; Ronga, FJ; Root, N; Rozanska, M; Rybicki, K; Sagawa, H; Saitoh, S; Sakai, Y; Satapathy, M; Satpathy, A; Schneider, O; Schrenk, S; Schwanda, C; Semenov, S; Senyo, K; Seuster, R; Sevior, ME; Shibuya, H; Shwartz, B; Sidorov, V; Singh, JB; Stanic, S; Staric, M; Sugi, A; Sugiyama, A; Sumisawa, K; Sumiyoshi, T; Suzuki, K; Suzuki, S; Suzuki, SY; Swain, SK; Takahashi, T; Takasaki, F; Tamai, K; Tamura, N; Tanaka, J; Tanaka, M; Taylor, GN; Teramoto, Y; Tokuda, S; Tovey, SN; Trabelsi, K; Tsuboyama, T; Tsukamoto, T; Uehara, S; Ueno, K; Unno, Y; Uno, S; Ushiroda, Y; Varner, G; Varvell, KE; Wang, CC; Wang, CH; Wang, JG; Wang, MZ; Watanabe, Y; Won, E; Yabsley, BD; Yamada, Y; Yamaguchi, A; Yamashita, Y; Yamauchi, M; Yanai, H; Yeh, P; Yuan, Y; Yusa, Y; Zhang, J; Zhang, ZP; Zheng, Y; Zhilich, V; Zontar, D; Belle Collaboration; - view fewer (2003) Studies of the decay B-+/--> DCPK +/-. PHYS REV LETT , 90 (13) , Article 131803. 10.1103/PhysRevLett.90.131803.

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Abstract

We report studies of the Cabibbo-suppressed decay B+/- --> DCPK+/-, where D-CP denotes CP eigenstates of the D-0 - (D) over bar (0) system. The analysis is based on a 29.1 fb(-1) sample collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric e(+)e(-) storage ring. We measure ratios of branching fractions, relative to Cabibbo-favored B+/--->D(CP)pi+/-, of B>(B- --> D1K-)/B(B- --> D(1)pi(-)) = 0.125 +/-0.036 +/- 0.010 and B(B- --> D2K-)/B(B- --> D(2)pi(-)) = 0.119 +/- 0.028 +/- 0.006; the index 1 (2) denotes the CP = +1 (-1) eigenstate. We also extract the partial rate asymmetries for B+/- --> DCPK+/-, finding A(1) = 0.29 +/- 0.26 +/- 0.05 and A(2) = -0.22 +/- 0.24 +/- 0.04.

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