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Measurements of indirect CP asymmetries in D0 → K- K+ and D0 → π- π+ decays.

Abstract:

A study of indirect CP violation in D0 mesons through the determination of the parameter AΓ is presented using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0  fb(-1), collected with the LHCb detector and recorded at the center-of-mass energy of 7 TeV at the LHC. The parameter AΓ is the asymmetry of the effective lifetimes measured in decays of D0 and D0 mesons to the CP eigenstates K- K+ and π- π+. Fits to the data sample yield AΓ(KK)=(-0.35±0.62±0.12)×10(-3)...

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Publication status:
Published

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Authors


Adinolfi, M More by this author
Adrover, C More by this author
Affolder, A More by this author
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Journal:
Physical review letters
Volume:
112
Issue:
4
Pages:
041801
Publication date:
2014-01-31
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:89383d4f-08b0-4ada-b544-1d167fb6984c
Source identifiers:
435921
Local pid:
pubs:435921
Language:
English
Keywords:

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