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http://diposit.ub.edu/dspace/handle/2445/124811| Title: | A Measurement of the Semileptonic Branching Fraction of the B_s Meson |
| Author: | Graugés Pous, Eugeni Garra Ticó, Jordi BABAR Collaboration |
| Keywords: | Mesons (Física nuclear) Leptons (Física nuclear) Mesons (Nuclear physics) Leptons (Nuclear physics) |
| Issue Date: | 2012 |
| Publisher: | American Physical Society |
| Abstract: | We report a measurement of the inclusive semileptonic branching fraction of the B_s meson using data collected with the BaBar detector in the center-of-mass (CM) energy region above the Upsilon (4S) resonance. We use the inclusive yield of phi mesons and the phi yield in association with a high-momentum lepton to perform a simultaneous measurement of the semileptonic branching fraction and the production rate of B_s mesons relative to all B mesons as a function of CM energy. The inclusive semileptonic branching fraction of the B_s meson is determined to be B(B_s to l nu X)=9.5 (+2.5/-2.0)(stat)(+1.1/-1.9)(syst)%, where l indicates the average of e and mu. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.85.011101 |
| It is part of: | Physical Review D, 2012, vol. 85, num. 1, p. 011101 |
| URI: | https://hdl.handle.net/2445/124811 |
| Related resource: | https://doi.org/10.1103/PhysRevD.85.011101 |
| ISSN: | 1550-7998 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 654984.pdf | 277.11 kB | Adobe PDF | View/Open |
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