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Observation of the baryonic B-decay (B)over-bar(0) -> Lambda(+)(c)(p)over-barK(-)pi(+)
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BaBar Collaboration (Including:
). (2009) Observation of the baryonic B-decay (B)over-bar(0) -> Lambda(+)(c)(p)over-barK(-)pi(+). Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.80 (No.5). article no. 051105. doi:10.1103/PhysRevD.80.051105 Research output not available from this repository, contact author.
Official URL: http://dx.doi.org/10.1103/PhysRevD.80.051105
Abstract
We report the observation of the baryonic B-decay (B) over bar (0) -> Lambda(+)(c)(p) over barK(-)pi(+), excluding contributions from the decay (B) over bar (0) -> Lambda(+)(c)(Lambda) over barK(-). Using a data sample of 467 x 10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II storage ring at SLAC, the measured branching fraction is (4.33 +/- 0.82(stat) +/- 0.33(syst) +/- 1.13(Lambda c+)) x 10(-5). In addition we find evidence for the resonant decay (B) over bar (0) -> Sigma(c)(2455)(++)(p) over barK(-) and determine its branching fraction to be (1.11 +/- 0.30(stat) +/- 0.09(syst) +/- 0.29(Lambda c+)) x 10(-5). The errors are statistical, systematic, and due to the uncertainty in the Lambda(+)(c) branching fraction. For the resonant decay (B) over bar (0) -> Lambda(+)(c)(p) over bar(K) over bar*(0) we obtain an upper limit of 2.42 x 10(-5) at 90% confidence level.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1550-7998 | ||||
| Official Date: | September 2009 | ||||
| Dates: |
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| Volume: | Vol.80 | ||||
| Number: | No.5 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 051105 | ||||
| DOI: | 10.1103/PhysRevD.80.051105 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), STFC (United Kingdom), Marie Curie EIF (European Union), A. P. Sloan Foundation |
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