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Determination of vertical bar V-ub vertical bar from measurements of the electron and neutrino momenta in inclusive semileptonic B decays
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UNSPECIFIED (2005) Determination of vertical bar V-ub vertical bar from measurements of the electron and neutrino momenta in inclusive semileptonic B decays. PHYSICAL REVIEW LETTERS, 95 (11). -. doi:10.1103/PhysRevLett.95.111801 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.95.111801
Abstract
We present a determination of the Cabibbo-Kobayashi-Maskawa matrix element parallel to V(ub)parallel to based on the analysis of semileptonic B decays from a sample of 88x10(6) Upsilon(4S) decays collected with the BABAR detector at the SLAC PEP-II e(+)e(-) storage ring. Charmless semileptonic B decays are selected using measurements of the electron energy and the invariant mass squared of the electron-neutrino pair. We obtain parallel to V(ub)parallel to=(3.95 +/- 0.26(-0.42)(+0.58)+/- 0.25)x10(-3), where the errors represent experimental uncertainties, heavy quark parameter uncertainties, and theoretical uncertainties, respectively.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | PHYSICAL REVIEW LETTERS | ||||
| Publisher: | AMERICAN PHYSICAL SOC | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 9 September 2005 | ||||
| Dates: |
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| Volume: | 95 | ||||
| Number: | 11 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | - | ||||
| DOI: | 10.1103/PhysRevLett.95.111801 | ||||
| Publication Status: | Published |
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