D0- mixing and CPV measurements at the B-factories
Universityof Science andTechnologyof China (USTC)
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Published online: 13 March 2019
Measurements of D0- mixing and CP violation in D0 decays are interesting as any diﬀerence with respect to the Standard Model prediction would be a signature of new physics. We report on recent searches and measurements of D0- mixing and CP violation in charm meson decays at BaBar and Belle experiments. In particular, the D0- mixing parameters in D0 → π+ π − π0 are measured by the BaBar experiment for the first time with x = (1.5±1.2±0.6)% and y = (0.2±0.9±0.5)%. The first T-odd asymmetry measurement in D0 → K0Sπ + π − π0 is performed at the Belle experiment with aCP = (−0.28 ±1.38+0.23-0.76)×10−3, which is consistent with no CP violation. The measurements of CP asymmetry in D0 → KS0K0Swith ACP = (−2.9±5.2±2.2)% and D+ → π+π0 with ACP = (+2.31 ± 1.24 ± 0.23)% are also reported, which shows no CP violation.
© The Authors, published by EDP Sciences, 2019
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