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Measurements of D0-D0bar Mixing and Searches for CP Violation: HFAG Combination of all Data

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arxiv 0803.0082 v2 pith:MJUN5SSY submitted 2008-03-01 hep-ex

classification hep-ex
keywords deltamixingviolationd0-d0barhfagmeasurementsparametersphase
verification ladder T0 review T1 audit T2 compute T3 formal
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We present world average values for D0-D0bar mixing parameters x and y, CP violation parameters |q/p| and Arg(q/p), and strong phase differences \delta and \delta_{K\pi\pi}. These values are calculated by the Heavy Flavor Averaging Group (HFAG) by performing a global fit to relevant experimental measurements. The results for x and y differ significantly from zero and are inconsistent with no mixing at the level of 6.7 sigma. The results for |q/p| and Arg(q/p) are consistent with no CP violation. The strong phase difference \delta is less than 45 degrees at 95% C.L.

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Cited by 1 Pith paper

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  1. Charm physics

    hep-ph 2025-06 unverdicted novelty 1.0 of 10

    A review chapter summarizing the theoretical framework and experimental status of charm hadron lifetimes, D0 mixing, CP violation, and rare decays.

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