1 Ocak 2014 Dergi makalesi Açık Erişim

CERN İşbirliği

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    <subfield code="a">&lt;p&gt;The CP -violating asymmetry asls is studied using semileptonic decays of Bs0 and B¯s0 mesons produced in pp collisions at a centre-of-mass energy of 7 TeV at the LHC, exploiting a data sample corresponding to an integrated luminosity of 1.0 fb−1 . The reconstructed final states are Ds±μ∓ , with the Ds± particle decaying in the ϕπ± mode. The Ds±μ∓ yields are summed over B¯s0 and Bs0 initial states, and integrated with respect to decay time. Data-driven methods are used to measure efficiency ratios. We obtain asls=(−0.06±0.50±0.36)% , where the first uncertainty is statistical and the second systematic.&lt;/p&gt;</subfield>
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    <subfield code="a">Measurement of the flavour-specific CP -violating asymmetry asls in Bs0 decays</subfield>
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