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Measurement of the ratio of branching fractions B(B+c→J/ψK+)/B(B+c→J/ψπ+)

Abstract:
The ratio of branching fractions RK/π ≡ ℬ(Bc+ → J/ψK+)/ℬ(Bc+ → J/ψπ+) is measured with pp collision data collected by the LHCb experiment at centre-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. It is found to be RK/π = 0.079 ± 0.007 ± 0.003, where the first uncertainty is statistical and the second is systematic. This measurement is consistent with the previous LHCb result, while the uncertainties are significantly reduced.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1007/JHEP09(2016)153

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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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Contributors

Department:
The LHCb collaboration
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
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Publisher:
Springer Publisher's website
Journal:
Journal of High Energy Physics Journal website
Volume:
2016
Issue:
9
Pages:
153
Publication date:
2016-09-27
Acceptance date:
2016-09-06
DOI:
ISSN:
1126-6708 and 1029-8479
Pubs id:
pubs:652811
URN:
uri:beec2e7e-30b7-4c44-a203-028617e88846
UUID:
uuid:beec2e7e-30b7-4c44-a203-028617e88846
Local pid:
pubs:652811

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