Neutral Charm Decays at CLEO: Searches for CP Violation and Mixing

Details Neutral Charm Decays at CLEO: Searches for CP Violation and Mixing Neutral Charm Decays at CLEO: Searches for CP Violation and Mixing

2001-05-08

arxiv.org/abs/hep-ex/0105013v1

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages LaTeX, Moriond EW proceedings

Scientific paper

Recent CLEO results on neutral charm meson decays presented at the XXXVIth Rencontres de Moriond are discussed. We find no evidence of CP asymmetry in five different two-body decay modes of the D0 to pairs of light pseudo-scalar mesons. We present a measurement of the mixing parameter y_CP = -0.011 +- 0.025 +- 0.014 by searching for a lifetime difference between the CP neutral K+ pi- final state and the CP even K+ K- and pi+ pi- final states. Finally, we describe the first measurement of the rate of wrong-sign D0 to K+ pi- pi0 decay: R_WS = (0.43 +0.11 -0.10 +- 0.07)%.

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