Observation of the decays B0→K+π−π0 and B0→ρ−K+
- Chang, P.
- Abe, K.
- Abe, K.
- Abe, T.
- Aihara, H.
- Asano, Y.
- Aulchenko, V.
- Aushev, T.
- Aziz, T.
- Bahinipati, S.
- Bakich, A.M.
- Ban, Y.
- Bay, A.
- Bedny, I.
- Bitenc, U.
- Bizjak, I.
- Bondar, A.
- Bozek, A.
- Bračko, M.
- Brodzicka, J.
- Browder, T.E.
- Chang, M.-C.
- Chao, Y.
- Cheon, B.G.
- Chistov, R.
- Choi, S.-K.
- Choi, Y.
- Cole, S.
- Danilov, M.
- Dash, M.
- Dong, L.Y.
- Drutskoy, A.
- Eidelman, S.
- Eiges, V.
- Enari, Y.
- Fang, F.
- Fratina, S.
- Gabyshev, N.
- Garmash, A.
- Gershon, T.
- Gokhroo, G.
- Golob, B.
- Guo, R.
- Hastings, N.C.
- Hayashii, H.
- Hazumi, M.
- Higuchi, T.
- Hinz, L.
- Hokuue, T.
- Hoshi, Y.
- Hou, W.-S.
- Hsiung, Y.B.
- Huang, H.-C.
- Inami, K.
- Ishikawa, A.
- Itoh, R.
- Iwasaki, H.
- Iwasaki, M.
- Iwasaki, Y.
- Kang, J.H.
- Kang, J.S.
- Kataoka, S.U.
- Katayama, N.
- Kawai, H.
- Kawasaki, T.
- Khan, H.R.
- Kichimi, H.
- Kim, H.J.
- Kim, J.H.
- Kim, S.K.
- Kim, T.H.
- Koppenburg, P.
- Korpar, S.
- Križan, P.
- Krokovny, P.
- Kuzmin, A.
- Kwon, Y.-J.
- Lee, S.E.
- Lesiak, T.
- Li, J.
- Lin, S.-W.
- MacNaughton, J.
- Majumder, G.
- Mandl, F.
- Marlow, D.
- Matsumoto, T.
- Matyja, A.
- Mitaroff, W.
- Miyake, H.
- Miyata, H.
- Mizuk, R.
- Mohapatra, D.
- Mori, T.
- Nagamine, T.
- Nagasaka, Y.
- Nakano, E.
- Nakao, M.
- Nakazawa, H.
- Natkaniec, Z.
- Nishida, S.
- Nitoh, O.
- Ogawa, S.
- Okabe, T.
- Okuno, S.
- Olsen, S.L.
- Ostrowicz, W.
- Ozaki, H.
- Pakhlov, P.
- Park, H.
- Parslow, N.
- Peak, L.S.
- Piilonen, L.E.
- Poluektov, A.
- Root, N.
- Rozanska, M.
- Sagawa, H.
- Sakai, Y.
- Schneider, O.
- Schümann, J.
- Semenov, S.
- Senyo, K.
- Sevior, M.E.
- Shibuya, H.
- Sidorov, V.
- Somov, A.
- Stamen, R.
- Stanič, S.
- Starič, M.
- Sumisawa, K.
- Sumiyoshi, T.
- Suzuki, S.
- Tajima, O.
- Takasaki, F.
- Tamai, K.
- Tamura, N.
- Tanaka, M.
- Teramoto, Y.
- Tsukamoto, T.
- Uehara, S.
- Ueno, K.
- Uglov, T.
- Unno, Y.
- Uno, S.
- Varner, G.
- Varvell, K.E.
- Villa, S.
- Wang, C.C.
- Wang, C.H.
- Wang, M.-Z.
- Watanabe, M.
- Yabsley, B.D.
- Yamada, Y.
- Yamaguchi, A.
- Yamashita, Y.
- Yamauchi, M.
- Ying, J.
- Zhang, C.C.
- Zhang, J.
- Zhang, Z.P.
- Žontar, D.
DOIAbstract
AbstractWe report the observation of B0 decays to the K+π−π0 final state using a data sample of 78 fb−1 collected by the Belle detector at the KEKB e+e− collider. With no assumptions about intermediate states in the decay, the branching fraction is measured to be (36.6−4.3+4.2±3.0)×10−6. We also search for B decays to intermediate two-body states with the same K+π−π0 final state. Significant B signals are observed in the ρ(770)−K+ and K*(892)+π− channels, with branching fractions of (15.1−3.3−1.5−2.1+3.4+1.4+2.0)×10−6 and (14.8−4.4−1.0−0.9+4.6+1.5+2.4)×10−6, respectively. The first error is statistical, the second is systematic and the third is due to the largest possible interference. Contributions from other possible two-body states will ...
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