Search for Mixing and CP Violation in Charm Decays

Details Search for Mixing and CP Violation in Charm Decays Search for Mixing and CP Violation in Charm Decays

2000-11-27

arxiv.org/abs/hep-ex/0011089v1

Nucl.Phys.Proc.Suppl. 55A (1997) 221-225

Physics

High Energy Physics

High Energy Physics - Experiment

Hyperons, Charm, and Beauty Hadrons Conference, Montreal (27-30 August 1996), Fermilab E791 Collaboration, LaTeX, 5 pages, 4 f

Scientific paper

10.1016/S0920-5632(97)00178-3

Standard model mixing and CP violation are expected to be small in the charm sector. Some argue that only in the presence of new physics do we currently expect to observe these effects. Fermilab experiment E791 has the largest sample of reconstructed charm decays recorded to date. We have made an exhaustive search for D0 D0-bar mixing and CP violation in this data. We present the charm mixing limits on the mixing parameter r_mix using hadronic and semileptonic decays, and also present preliminary limits on the CP asymmetry parameter, A_CP, for Cabibbo suppressed decays.

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