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Search for radiative penguin decays B+ → ρ+γ,B0 → ρ0γ, and B0 → ωγ

Abstract:

A search for the decays B → ρ(770)γ and B0 → ω(782)γ is performed on a sample of 211 × 106 Y(45) → BB̄ events collected by the BABAR detector at the SLAC PEP-II asymmetric-energy e+ e- storage ring. No evidence for the decays is seen. We set the following limits on the individual branching fractions: ℬ(B+ → rho;+γ] < 1.8 × 10-6, ℬ(B0 → ρ0γ < 0.4 × 10-6, and Bscr;(B0 → ωγ) < 1.0 × 10-6 at the 90% confidence level. We use the quark model to limit the combined branching fraction Bscr;̄[...

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Authors


Boutigny, D More by this author
Couderc, F More by this author
Gaillard, J-M More by this author
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Journal:
Physical Review Letters
Volume:
94
Issue:
1
Publication date:
2005-01-14
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:215c47d1-4ab4-4b26-aa84-051fcf00b452
Source identifiers:
315159
Local pid:
pubs:315159
Language:
English

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