Supported by the National Natural Science Foundation of China under Grant Nos. 10947020 and 11005033;Foundation of Henan Educational Committee for Youth Backbone Scholars in Colleges and Universities;the Natural Science Foundation of the Eduction Department of Henan Province under Grant No. 2010A140012;Natural Science Foundation of Henan Province under Grant No. 102300410210
Based on the low energy effective Hamiltonian with naive factorization, we calculate the branching ratios (BRs) and CP asymmetries (CPAs) for the twenty three double charm decays B/B8 → D(*)D(*) in both the...