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Search for $$CP$$ violation with kinematic asymmetries in the $$D^0 to K^+ K^- pi^+ pi^-$$ decay

$$D^0 to K^+ K^- pi^+ pi^-$$の運動学的非対称性を利用した$$CP$$の破れの探索

Kim, J. B.*; 谷田 聖   ; Belle Collaboration*; 他182名*

Kim, J. B.*; Tanida, Kiyoshi; Belle Collaboration*; 182 of others*

We search for $$CP$$ violation in the singly-Cabibbo-suppressed decay $$D^{0}rightarrow K^{+}K^{-}pi^{+}pi^{-}$$ using data corresponding to an integrated luminosity of 988 fb$$^{-1}$$ collected by the Belle detector at the KEKB $$e^{+}e^{-}$$ collider. We measure a set of five kinematically dependent $$CP$$ asymmetries, of which four asymmetries are measured for the first time. The set of asymmetry measurements can be sensitive to $$CP$$ violation via interference between the different partial-wave contributions to the decay and performed on other pseudoscalar decays. We find no evidence of $$CP$$ violation.

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パーセンタイル:26.53

分野:Astronomy & Astrophysics

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