Search for CP violating charge asymmetry in B^+ -> J/psi K^+ decays
hep-ex
/ Authors
K. Sakai, T. Kawasaki, H. Aihara, K. Arinstein, T. Aushev, A. M. Bakich, V. Balagura, E. Barberio, K. Belous, V. Bhardwaj
and 129 more authors
B. Bhuyan, M. Bischofberger, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, M. -C. Chang, Y. Chao, A. Chen, K. -F. Chen, P. Chen, B. G. Cheon, C. -C. Chiang, K. Cho, Y. Choi, J. Dalseno, Z. Doležal, Z. Drásal, W. Dungel, S. Eidelman, M. Feindt, B. Golob, H. Ha, J. Haba
/ Abstract
We present the result of a search for charge asymmetry in B^+ -> J/psi K^+ decays. The CP-violating charge asymmetry is measured to be A_CP(B^+ -> J/psi K^+) = [-0.76 +/- 0.50 (stat) +/- 0.22 (syst)]%.