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

29 January 2019

Abstract: We search for $CP$ violation in the singly-Cabibbo-suppressed decay ${D}^{0}\to {K}^{+}{K}^{-}{\pi }^{+}{\pi }^{-}$ using data corresponding to an integrated luminosity of $988\text{}\text{}{\mathrm{fb}}^{-1}$ 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.

Published in: Physical Review D 99 (2019)