%0 Journal Article
%T Measurement of the CP Violation Parameter A(r) in D-0 -> K+K- and D-0 -> pi(+)pi(-) Decays
%A LHCb Collaboration (Aaij, R. et al
%A Garcia Martin, L. M.
%A Martinez-Vidal, F.
%A Oyanguren, A.
%A Remon Alepuz, C.
%A Ruiz Valls, P.
%A Sanchez Mayordomo, C.
%J Physical Review Letters
%D 2017
%V 118
%N 26
%I Amer Physical Soc
%@ 0031-9007
%G English
%F LHCbCollaborationAaij_etal2017
%O WOS:000404345800001
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=3187), last updated on Thu, 13 Jul 2017 15:11:04 +0000
%X Asymmetries in the time-dependent rates of D-0 -> K+K- and D-0 -> pi(+)pi(-)decays are measured in a pp collision data sample collected with the LHCb detector during LHC Run 1, corresponding to an integrated luminosity of 3 fb(-1). The asymmetries in effective decay widths between D-0 and (D) over bar (0) decays, sensitive to indirect CP violation, are measured to be A(r)(K+K-) = (-0.30 +/- 0.32 0.10) x 10(-3) and A(r) pi(+)pi(-)) = (0.46 +/- 0.58 +/- 0.12) x 10(-3), where the first uncertainty is statistical and the second systematic. These measurements show no evidence for CP violation and improve on the precision of the previous best measurements by nearly a factor of two.
%R 10.1103/PhysRevLett.118.261803
%U http://arxiv.org/abs/1702.06490
%U https://doi.org/10.1103/PhysRevLett.118.261803
%P 261803-9pp