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First evidence of direct CP violation in charmless two-body decays of Bs0 mesons.

Abstract:
Using a data sample corresponding to an integrated luminosity of 0.35  fb-1 collected by LHCb in 2011, we report the first evidence of CP violation in the decays of Bs0} mesons to K±π∓ pairs, ACP(Bs0→Kπ)=0.27±0.08(stat)±0.02(syst), with a significance of 3.3σ. Furthermore, we report the most precise measurement of CP violation in the decays of B0 mesons to K±π∓ pairs, ACP(B0→Kπ)=-0.088±0.011(stat)±0.008(syst), with a significance exceeding 6σ.
Publication status:
Published

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Journal:
Physical Review Letters More from this journal
Volume:
108
Issue:
20
Pages:
201601
Publication date:
2012-05-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:335013
UUID:
uuid:6aaff568-95c4-4e74-97b7-b7bd1493d37e
Local pid:
pubs:335013
Source identifiers:
335013
Deposit date:
2012-12-19

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