PubMed · 12688867
Observation of the decay B0-->lambda+cp.
Abstract
We report the measurement of the charmed baryonic decay B(0)-->Lambda(+)(c)p with a branching fraction of (2.19(+0.56)(-0.49)+/-0.32+/-0.57)x10(-5) and a statistical significance of 5.8 sigma. The errors are statistical, systematic, and the error of the Lambda(+)(c)-->pK(-)pi(+) decay branching fraction. This is the first observation of a two-body baryonic B decay. The analysis is based on 78.2 fb(-1) of data accumulated at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric e(+)e(-) collider.
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N Gabyshev, H Kichimi, K Abe, R Abe, T Abe, I Adachi, H Aihara, M Akatsu, Y Asano, T Aso, V Aulchenko, T Aushev, A M Bakich, Y Ban, E Banas, A Bay, I Bedny, I Bizjak, A Bondar, A Bozek, M Bracko, J Brodzicka, T E Browder, B C K Casey, M-C Chang, P Chang, Y Chao, K-F Chen, B G Cheon, R Chistov, S-K Choi, Y Choi, Y K Choi, M Danilov, L Y Dong, J Dragic, A Drutskoy, S Eidelman, V Eiges, Y Enari, F Fang, C Fukunaga, A Garmash, T Gershon, B Golob, J Haba, C Hagner, F Handa, T Hara, K Hasuko, H Hayashii, M Hazumi, I Higuchi, L Hinz, T Hojo, T Hokuue, Y Hoshi, W-S Hou, Y B Hsiung, H-C Huang, T Igaki, Y Igarashi, T Iijima, K Inami, A Ishikawa, R Itoh, H Iwasaki, Y Iwasaki, H K Jang, J H Kang, J S Kang, P Kapusta, S U Kataoka, N Katayama, H Kawai, T Kawasaki, D W Kim, H J Kim, H O Kim, Hyunwoo Kim, J H Kim, S K Kim, K Kinoshita, S Kobayashi, S Korpar, P Krizan, P Krokovny, R Kulasiri, A Kuzmin, Y-J Kwon, J S Lange, G Leder, S H Lee, J Li, S-W Lin, D Liventsev, R-S Lu, J MacNaughton, G Majumder, F Mandl. 2003-03-26. Observation of the decay B0-->lambda+cp.. https://doi.org/10.1103/physrevlett.90.121802
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