%0 Journal Article
%T Search for direct CP violation in D-0 -> h(-)h(+) modes using semileptonic B decays
%A LHCb Collaboration (Aaij, R. et al
%A Oyanguren, A.
%A Ruiz Valls, P.
%J Physics Letters B
%D 2013
%V 723
%N 1-3
%I Elsevier Science Bv
%@ 0370-2693
%G English
%F LHCbCollaborationAaij_etal2013
%O WOS:000320206500004
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=1474), last updated on Thu, 18 Jul 2013 09:43:32 +0000
%X A search for direct CP violation in D-0 -> h(-)h(+) (where h = K or pi) is presented using data corresponding to an integrated luminosity of 1.0 fb(-1) collected in 2011 by LHCb in pp collisions at a centre-of-mass energy of 7 TeV. The analysis uses D-0 mesons produced in inclusive semileptonic b-hadron decays to the D-0 μX final state, where the charge of the accompanying muon is used to tag the flavour of the D-0 meson. The difference in the CP-violating asymmetries between the two decay channels is measured to be Delta A(CP) = A(CP)(K-K+) – A(CP)(pi(-)pi(+)) = (0.49 +/- 0.30 (stat) +/- 0.14 (syst))%. This result does not confirm the evidence for direct CP violation in the charm sector reported in other analyses.
%R 10.1016/j.physletb.2013.04.061
%U http://arxiv.org/abs/arXiv:1303.2614
%U https://doi.org/10.1016/j.physletb.2013.04.061
%P 33-43