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Measurement of the ratio B(B+-> Xev)/B(B-0 -> Xev)
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BABAR Collaboration (Including:
). (2006) Measurement of the ratio B(B+-> Xev)/B(B-0 -> Xev). PHYSICAL REVIEW D, 74 (9). -. doi:10.1103/PhysRevD.74.091105 ISSN 1550-7998.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.74.091105
Abstract
We report measurements of the inclusive electron momentum spectra in decays of charged and neutral B mesons, and of the ratio of semileptonic branching fractions B(B+-> Xe nu) and B(B-0 -> Xe nu). These were performed on a sample of 231x10(6) B (B) over bar events recorded with the BABAR detector at the Upsilon(4S) resonance. Events are selected by fully reconstructing a hadronic decay of one B meson and identifying an electron among the decay products of the recoiling (B) over bar meson. We obtain B(B+-> Xe nu)/B(B-0 -> Xe nu)=1.074 +/- 0.041((stat))+/- 0.026((syst)).
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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Journal or Publication Title: | PHYSICAL REVIEW D | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 1550-7998 | ||||
Official Date: | November 2006 | ||||
Dates: |
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Volume: | 74 | ||||
Number: | 9 | ||||
Number of Pages: | 8 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevD.74.091105 | ||||
Publication Status: | Published |
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