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Studies of CP violation in B-->J/PsiK* decays |
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| Authors: | Itoh R Onuki Y Abe K Abe K Adachi I Aihara H Asano Y Aushev T Bakich A M Ban Y Barberio E Bay A Bitenc U Bizjak I Blyth S Bondar A Bozek A Bracko M Brodzicka J Browder T E Chao Y Chen A Chen K-F Chen W T Cheon B G Chistov R Choi S-K Choi Y Choi Y K Chuvikov A Cole S Dalseno J Dash M Dong L Y Drutskoy A Eidelman S Enari Y Fang F Fratina S Gabyshev N Garmash A Gershon T Gokhroo G Golob B Gorisek A Haba J Hara K Hara T Hayashii H Hazumi M Higuchi T Hinz L Hokuue T Hoshi Y Hou S Hou W-S Hsiung Y B Iijima T Imoto A Inami K Ishikawa A Ishino H Iwasaki M Iwasaki Y Kang J H Kang J S Kapusta P |
| Affiliation: | High Energy Accelerator Research Organization (KEK), Tsukuba, Japan. |
| Abstract: | CP violation in B-->J/PsiK* decays is studied using an angular analysis in a data sample of 253 fb(-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(2phi(1) = 0.24 +/- 0.31 +/- 0.05 and cos(2phi(1)=0.56 +/- 0.79 +/- 0.11. |
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