Journal article
First measurement of time-dependent CP violation in B0 → K+K- decays
- Abstract:
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Direct and mixing-induced CP-violating asymmetries in B0 s → K+K- decays are measured for the first time using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb-1, collected with the LHCb detector at a centre-of-mass energy of 7TeV. The results are CKK = 0.14 ± 0.11 ± 0.03 and SKK = 0.30 ± 0.12 ± 0.04, where the first uncertainties are statistical and the second systematic. The corresponding quantities are also determined for B0→π +π- decays to be Cππ = -0.38...
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- Publisher copy:
- 10.1007/JHEP10(2013)183
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Authors
Bibliographic Details
- Journal:
- Journal of High Energy Physics
- Volume:
- 2013
- Issue:
- 10
- Publication date:
- 2013-01-01
- DOI:
- EISSN:
-
1029-8479
- ISSN:
-
1126-6708
- Source identifiers:
-
462368
Item Description
- Pubs id:
-
pubs:462368
- UUID:
-
uuid:6f7240f7-537b-4d9d-906f-a29a2fba04ed
- Local pid:
- pubs:462368
- Deposit date:
- 2014-08-20
Terms of use
- Copyright date:
- 2013
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