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Measurement of the ratio of branching fractions B(B-0 -> K*(0)gamma)/B(B-s(0) -> phi gamma)

Abstract:

The ratio of branching fractions of the radiative B decays B0→K *0γ and B0s→φγ has been measured using 0.37fb -1 of pp collisions at a center of mass energy of √s=7TeV, collected by the LHCb experiment. The value obtained is B(B0→K *0γ)B(B0s→φγ)=1.12±0.08- 0.04-0.08+0.06+0.09, where the first uncertainty is statistical, the second systematic, and the third is associated with the ratio of fragmentation fractions f s/f d. Using the world average for B(B0→K *0γ)=(4.33±0.15)×10 -5, the branching ...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.85.112013

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Journal:
PHYSICAL REVIEW D
Volume:
85
Issue:
11
Publication date:
2012-06-25
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:fcec927d-8a40-430e-b000-ee1ce10efb97
Source identifiers:
342642
Local pid:
pubs:342642

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