- Main
Search for CP violation in the decays D±→KS0K±, Ds±→KS0K±, and Ds±→KS0π±
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- et al.
Abstract
We report a search for CP violation in the decay modes D ±→KS0K±, Ds±→KS0K ±, and Ds±→KS0π± using a data set corresponding to an integrated luminosity of 469 fb-1 collected with the BABAR detector at the PEP-II asymmetric energy e+e - storage rings. The decay rate CP asymmetries, ACP, are determined to be (+0.13±0.36(stat)±0.25(syst))%, (-0.05±0.23(stat)±0.24(syst))%, and (+0.6±2.0(stat) ±0.3(syst))%, respectively. These measurements are consistent with zero, and also with the Standard Model prediction [(-0.332±0.006)% for the D±→KS0K± and Ds±→KS0K ± modes, and (+0.332±0.006)% for the Ds±→KS0π± mode]. They are the most precise determinations to date. © 2013 American Physical Society.
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