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First experimental study of photon polarization in radiative B0s decays.

Abstract:

The polarization of photons produced in radiative B_{s}^{0} decays is studied for the first time. The data are recorded by the LHCb experiment in pp collisions corresponding to an integrated luminosity of 3  fb^{-1} at center-of-mass energies of 7 and 8 TeV. A time-dependent analysis of the B_{s}^{0}→ϕγ decay rate is conducted to determine the parameter A^{Δ}, which is related to the ratio of right- over left-handed photon polarization amplitudes in b→sγ transitions. A value of A^{Δ}=-0.98_{-...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
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Name:
French National Institute of Nuclear and Particle Physics
Publisher:
American Physical Society
Journal:
Physical Review Letters More from this journal
Volume:
118
Issue:
2
Pages:
021801
Publication date:
2017-01-01
Acceptance date:
2016-12-15
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pmid:
28128619
Language:
English
Keywords:
Pubs id:
pubs:641922
UUID:
uuid:ab83ef11-94bd-4045-b5ff-6918c5fc48e0
Local pid:
pubs:641922
Source identifiers:
641922
Deposit date:
2017-11-03

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