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First study of the CP-violating phase and decay-width difference in Bs0 → ψ(2S)ϕ decays

Abstract:

A time-dependent angular analysis of Bs0 → ψ(2S)ϕ decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0fb^−1 collected during Run 1 of the LHC. The CP-violating phase and decay-width difference of the Bs0 system are measured to be ϕs = 0.23−0.28+0.29 ± 0.02rad and ΔΓs = 0.066−0.044+0.041 ± 0.007ps^−1, respectively, where the first uncertainty is statistical and the second systematic. This is the first time that ϕs and ΔΓs h...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1016/j.physletb.2016.09.028

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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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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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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
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Publisher:
Elsevier Publisher's website
Journal:
Physics Letters B Journal website
Volume:
762
Pages:
253-262
Publication date:
2016-09-05
Acceptance date:
2016-09-15
DOI:
ISSN:
0370-2693
Pubs id:
pubs:648611
URN:
uri:b3fd176e-4a2e-4a6e-baf6-7f1dd54893c2
UUID:
uuid:b3fd176e-4a2e-4a6e-baf6-7f1dd54893c2
Local pid:
pubs:648611
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