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Observation of the decay B̄0→Ds+Λp̄
- Authors
- Medvedeva, T.; Chistov, R.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Aushev, T.; Bakich, A.M.; Balagura, V.; Barberio, E.; Bay, A.; Belous, K.; Bitenc, U.; Bizjak, I.; Bondar, A.; Bozek, A.; Bra?ko, M.; Brodzicka, J.; Browder, T.E.; Chang, M.-C.; Chang, P.; Chao, Y.; Chen, A.; Chen, W.T.; Cheon, Byung Gu; Choi, Y.; Choi, Y.K.; Cole, S.; Dalseno, J.; Danilov, M.; Dash, M.; Drutskoy, A.; Eidelman, S.; Fratina, S.; Gabyshev, N.; Garmash, A.; Gershon, T.; Go, A.; Golob, B.; Ha, H.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hokuue, T.; Hoshi, Y.; Hou, S.; Hou, W.-S.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kang, J.H.; Kawai, H.; Kawasaki, T.; Khan, H.R.; Kichimi, H.; Kim, Y.J.; Krokovny, P.; Kulasiri, R.; Kumar, R.; Kuo, C.C.; Kwon, Y.-J.; Leder, G.; Lee, M.J.; Lee, S.E.; Lesiak, T.; Lin, S.-W.; Liventsev, D.; Majumder, G.; Mandl, F.; Matsumoto, T.; McOnie, S.; Mitaroff, W.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Moloney, G.R.; Mori, T.; Nagasaka, Y.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Onuki, Y.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, H.; Park, K.S.; Peak, L.S.; Pestotnik, R.; Piilonen, L.E.; Sahoo, H.; Sakai, Y.; Satoyama, N.; Schietinger, T.; Schneider, O.; Seidl, R.; Senyo, K.; Sevior, M.E.; Shapkin, M.; Shibuya, H.; Singh, J.B.; Sokolov, A.; Somov, A.; Soni, N.; Stani?, S.; Stari?, M.; Stoeck, H.; Sumiyoshi, T.; Takasaki, F.; Tamai, K.; Tanaka, M.; Taylor, G.N.; Teramoto, Y.; Tian, X.C.; Tikhomirov, I.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Uglov, T.; Ueno, K.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Varner, G.; Villa, S.; Wang, C.C.; Wang, C.H.; Watanabe, Y.; Won, E.; Xie, Q.L.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Zhang, Z.P.; Zupanc, A.
- Issue Date
- Sep-2007
- Publisher
- American Physical Society
- Citation
- Physical Review D - Particles, Fields, Gravitation and Cosmology, v.76, no.5, pp 1 - 5
- Pages
- 5
- Indexed
- SCOPUS
- Volume
- 76
- Number
- 5
- Start Page
- 1
- End Page
- 5
- ISSN
- 1550-7998
- Abstract
- We report the first observation of the decay B̄0→Ds+Λ p̄ with a statistical significance of 6.6σ. We measure B(B̄0→Ds+Λp̄)=(2.9±0.7±0.5±0.4) ×10-5, where the first error is statistical, the second is systematic, and the third error comes from the uncertainty in B(Ds+→π+). The data used for this analysis was accumulated at the Υ(4S) resonance, using the Belle detector at the KEKB asymmetric-energy e+e- collider. The integrated luminosity of the data sample is 414fb-1, corresponding to 449×106 BB̄ pairs. © 2007 The American Physical Society.
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)