CP violation in B→J/ψK* decays is studied using an angular analysis in a data sample of 253fb-1 recorded with the Belle detector at the KEKB e+e- collider. The flavor separated measurements of the decay amplitudes indicate no evidence for direct CP violation. T-odd CP violation is studied using the asymmetries in triple product correlations, and the results are consistent with the standard model null predictions. The time-dependent angular analysis gives the following values of CP-violating parameters: sin 2 1=0.24±0.31±0.05 and cos 2 1=0.56±0.79±0.11.
Bibliographical noteFunding Information:
The Natural Science Foundation of Gansu Province (No. 18JR4RA003) and School-Enterprise cooperation Project Fund (No. 2016620111000505) financially supported this study.
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)