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Observation of the baryonic B decay B[over ¯]^{0}→Λ_{c}^{+}Λ[over ¯]K^{-}
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(2011) Observation of the baryonic B decay B[over ¯]^{0}→Λ_{c}^{+}Λ[over ¯]K^{-}. Physical Review D, Vol.84 (No.7). Article: 071102. doi:10.1103/PhysRevD.84.071102 ISSN 0556-2821.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.84.071102
Abstract
We report the observation of the baryonic B decay (B) over bar (0) -> Lambda(+)(c)Lambda K(-) with a significance larger than 7 standard deviations based on 471 x 10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II storage ring at SLAC. We measure the branching fraction for the decay (B) over bar (0) -> Lambda(+)(c)Lambda K(-) to be (3.8 +/- 0.8(stat) +/- 0.2(sys) +/- 1.0(Lambda c)(+)) x 10(-5). The uncertainties are statistical, systematic, and due to the uncertainty in the Lambda(+)(c) branching fraction. We find that the Lambda(+)(c)K(-) invariant-mass distribution shows an enhancement above 3.5 GeV/c(2).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Alternative Title: | Observation of the baryonic B decay (B)over-bar(0) -> Lambda(+)(c)(Lambda)over-barK(-) | ||||
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review D | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0556-2821 | ||||
| Official Date: | 11 October 2011 | ||||
| Dates: |
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| Volume: | Vol.84 | ||||
| Number: | No.7 | ||||
| Page Range: | Article: 071102 | ||||
| DOI: | 10.1103/PhysRevD.84.071102 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | SLAC, DOE (USA), NSF (USA), NSERC (Canada), CEA (France), CNRS (France), IN2P3, BMBF (Germany), DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MICIIN (Spain), Science and Technology Facilities Council (Great Britain) (STFC), European Union, A. P. Sloan Foundation (USA), Binational Science Foundation (USA-Israel) | ||||
| Grant number: | IN2P3 (CNRS) |
Data sourced from Thomson Reuters' Web of Knowledge
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