PubMed · 14754039
Evidence for B0-->pi0pi0.
Abstract
We report evidence for the decay B0-->pi(0)pi(0). The analysis is based on a data sample of 152x10(6) BBmacr; pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB e(+)e(-) storage ring. We detect a signal for B0-->pi(0)pi(0) with a significance of 3.4 standard deviations, and measure the branching fraction to be [1.7+/-0.6(stat)+/-0.2(syst)]x10(-6).
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S H Lee, K Suzuki, K Abe, T Abe, I Adachi, Byoung Sup Ahn, H Aihara, K Akai, M Akatsu, M Akemoto, Y Asano, V Aulchenko, T Aushev, A M Bakich, Y Ban, S Banerjee, A Bay, I Bedny, I Bizjak, A Bondar, A Bozek, M Bracko, T E Browder, P Chang, Y Chao, K-F Chen, B G Cheon, R Chistov, S-K Choi, Y Choi, A Chuvikov, M Danilov, L Y Dong, J Dragic, A Drutskoy, S Eidelman, V Eiges, Y Enari, J Flanagan, C Fukunaga, K Furukawa, N Gabyshev, A Garmash, T Gershon, B Golob, R Guo, J Haba, C Hagner, F Handa, N C Hastings, H Hayashii, M Hazumi, I Higuchi, T Hokuue, Y Hoshi, W-S Hou, H-C Huang, Y Igarashi, T Iijima, H Ikeda, K Inami, A Ishikawa, R Itoh, H Iwasaki, M Iwasaki, Y Iwasaki, H Kakuno, J H Kang, J S Kang, P Kapusta, S U Kataoka, N Katayama, H Kawai, T Kawasaki, H Kichimi, E Kikutani, H J Kim, Hyunwoo Kim, J H Kim, S K Kim, K Kinoshita, H Koiso, S Korpar, P Krizan, P Krokovny, R Kulasiri, A Kuzmin, Y-J Kwon, J S Lange, G Leder, T Lesiak, J Li, A Limosani, S-W Lin, D Liventsev, J MacNaughton, F Mandl, D Marlow, M Masuzawa, T Matsumoto. 2003-12-24. Evidence for B0-->pi0pi0.. https://doi.org/10.1103/physrevlett.91.261801
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