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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
Version:
Publisher's version

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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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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
118
Issue:
26
Pages:
261803
Publication date:
2017-06-24
Acceptance date:
2017-04-21
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:500380
URN:
uri:52b7676b-fb11-4a80-9564-3f8cb9e6aa16
UUID:
uuid:52b7676b-fb11-4a80-9564-3f8cb9e6aa16
Local pid:
pubs:500380
Language:
English
Keywords:
Subjects:

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