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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
Version:
Publisher's version

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Publisher copy:
10.1103/physrevlett.118.021801

Authors


Adinolfi, M More by this author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Brazilian National Council for Scientific and Technological Development More from this funder
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro More from this funder
Brazilian Funding Authority for Studies and Projects More from this funder
Ministry of Science and Technology of the People’s Republic of China More from this funder
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
118
Issue:
2
Pages:
021801
Publication date:
2017-01-05
Acceptance date:
2016-12-15
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:641922
URN:
uri:ab83ef11-94bd-4045-b5ff-6918c5fc48e0
UUID:
uuid:ab83ef11-94bd-4045-b5ff-6918c5fc48e0
Local pid:
pubs:641922
Language:
English
Keywords:

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