Study of B0→D(∗)0π+π− decays
- 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
- Casey, B.C.K
- Chang, P
- Chao, Y
- Chen, K.-F
- Cheon, B.G
- Chistov, R
- Choi, S.-K
- Choi, Y
- Choi, Y
- Danilov, M
- Dong, L.Y
- Eidelman, S
- Eiges, V
- Fukunaga, C
- Gabyshev, N
- Garmash, A
- Gershon, T
- Golob, B
- Haba, J
- Hara, T
- Hastings, N.C
- Hayashii, H
- Hazumi, M
- Higuchi, I
- Hinz, L
- Hokuue, T
- Hou, W.-S
- Huang, H.-C
- Igaki, T
- Igarashi, Y
- Iijima, T
- Inami, K
- Ishikawa, A
- Itoh, R
- Iwasaki, H
- Iwasaki, Y
- Jang, H.K
- Kang, J.H
- Kapusta, P
- Kataoka, S.U
- Katayama, N
- Kawai, H
- Kawakami, Y
- Kawamura, N
- Kawasaki, T
- Kichimi, H
- Kim, D.W
- Kim, H.J
- Kim, Hyunwoo
- Kim, S.K
- Kinoshita, K
- Kobayashi, S
- Krokovny, P
- Kulasiri, R
- Kumar, S
- Kuzmin, A
- Kwon, Y.-J
- Lee, S.H
- Li, J
- Liventsev, D
- Lu, R.-S
- MacNaughton, J
- Majumder, G
- Mandl, F
- Matsumoto, S
- Matsumoto, T
- Mitaroff, W
- Miyabayashi, K
- Miyake, H
- Miyata, H
- Mori, T
- Nagamine, T
- Nagasaka, Y
- Nakadaira, T
- Nakano, E
- Nakao, M
- Nakazawa, H
- Nam, J.W
- Natkaniec, Z
- Nishida, S
- Nitoh, O
- Noguchi, S
- Ogawa, S
- Ohshima, T
- Okabe, T
- Okuno, S
- Olsen, S.L
- Onuki, Y
- Ostrowicz, W
- Ozaki, H
- Pakhlov, P
- Palka, H
- Park, C.W
- Park, K.S
- Perroud, J.-P
- Peters, M
- Piilonen, L.E
- Rybicki, K
- Sagawa, H
- Saitoh, S
- Sakai, Y
- Satapathy, M
- Schneider, O
- Schrenk, S
- Schwanda, C
- Semenov, S
- Senyo, K
- Seuster, R
- Shibuya, H
- Sidorov, V
- Singh, J.B
- Soni, N
- Stanič, S
- Starič, M
- Sugi, A
- Sumisawa, K
- Sumiyoshi, T
- Suzuki, S
- Suzuki, S.Y
- Swain, S.K
- Takahashi, T
- Takasaki, F
- Tamai, K
- Tamura, N
- Tanaka, J
- Tanaka, M
- Taylor, G.N
- Teramoto, Y
- Tomura, T
- Trabelsi, K
- Tsuboyama, T
- Tsukamoto, T
- Uehara, S
- Ueno, K
- Uno, S
- Varner, G
- Wang, C.H
- Wang, J.G
- Wang, M.-Z
- Won, E
- Yabsley, B.D
- Yamada, Y
- Yamaguchi, A
- Yamashita, Y
- Yamauchi, M
- Yanai, H
- Yuan, Y
- Zhang, C.C
- Zhang, Z.P
- Zhilich, V
DOIAbstract
AbstractWe report on a study of B0→D(∗)0π+π− decays using 29.1 fb−1 of e+e− annihilation data recorded at the ϒ(4S) resonance with the Belle detector at the KEKB storage ring. Making no assumptions about the intermediate mechanism, the branching fractions for B0→D0π+π− and B0→D∗0π+π− are determined to be (8.0±0.6±1.5)×10−4 and (6.2±1.2±1.8)×10−4, respectively. An analysis of B0→D0π+π− candidates yields to the first observation of the color-suppressed hadronic decay B0→D0ρ0 with the branching fraction (2.9±1.0±0.4)×10−4. We measure the ratio of branching fractions B(B0→D0ρ0)/B(B0→D0ω)=1.6±0.8
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