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Measurement of the CP violation parameter AΓ in D0→K+K- and D0→π+π- decays.

Abstract:

Asymmetries in the time-dependent rates of D0→K+K- and D0→π+π- decays are measured in a pp collision data sample collected with the LHCb detector during LHC Run 1, corresponding to an integrated luminosity of 3  fb^-1. The asymmetries in effective decay widths between D0 and D¯0 decays, sensitive to indirect CP violation, are measured to be AΓ(K+K-)=(-0.30±0.32±0.10)×10^-3 and AΓ(π+π-)=(0.46±0.58±0.12)×10^-3, where the first uncertainty is statistical and the second systematic. These measurem...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/physrevlett.118.261803

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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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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Brazilian National Council for Scientific and Technological Development More from this funder
National Natural Science Foundation of China More from this funder
German Federal Ministry for Education and Research More from this funder
German Research Foundation More from this funder
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
118
Issue:
26
Pages:
261803
Publication date:
2017-06-01
Acceptance date:
2017-04-21
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pmid:
28707946
Source identifiers:
500380
Language:
English
Keywords:
Subjects:
Pubs id:
pubs:500380
UUID:
uuid:52b7676b-fb11-4a80-9564-3f8cb9e6aa16
Local pid:
pubs:500380
Deposit date:
2017-11-30

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