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Measurement of branching fractions in radiative B decays to eta K gamma and search for B decays to eta K-'gamma
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BABAR Collaboration (Including:
). (2006) Measurement of branching fractions in radiative B decays to eta K gamma and search for B decays to eta K-'gamma. PHYSICAL REVIEW D, 74 (3). -. doi:10.1103/PhysRevD.74.031102 ISSN 1550-7998.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.74.031102
Abstract
We present measurements of the B ->eta K gamma branching fractions and upper limits for the B ->eta K-'gamma branching fractions. For B+->eta K+gamma we also measure the time-integrated charge asymmetry. The data sample, collected with the BABAR detector at the Stanford Linear Accelerator Center, represents 232x10(6) produced B (B) over bar pairs. The results for branching fractions and upper limits at 90% confidence level in units of 10(-6) are: B(B-0 ->eta K-0 gamma)=11.3(-2.6)(+2.8)+/- 0.6, B(B+->eta K+gamma)=10.0 +/- 1.3 +/- 0.5, B(B-0 ->eta K-'(0)gamma)< 6.6, B(B+->eta K-'(+)gamma)< 4.2. The charge asymmetry in the decay B+->eta K+gamma is A(ch)=-0.09 +/- 0.12 +/- 0.01. The first errors are statistical and the second systematic.
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: | August 2006 | ||||
Dates: |
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Volume: | 74 | ||||
Number: | 3 | ||||
Number of Pages: | 8 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevD.74.031102 | ||||
Publication Status: | Published |
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