Acp on B→Kπ △ AK Problem B→)K-丌 Belle Direct cpv BARAR weannBsnETObwnpenn established in B system(2004)! 0.200.2 AB(G 0.107+0018+0.0070093+0018±0008 World Average including CLEO: Acp(K+T )=-0.097+0.012 Acp(K+m0)=+0.050+0.025→A(K)=0.147±0.027@50 Need to explain the deviation, Hadronic effect or new physics? 6Acp on B → Kp Belle  p →  B K Acp = -0.107±0.018 +0.007 -0.093±0.018±0.008 -0.004 • World Average including CLEO: Acp(K+p - ) = -0.097±0.012 • Acp(K+p 0 ) = +0.050±0.025  DA(Kp) = 0.147 ±0.027 @5s • Need to explain the deviation. Hadronic effect or new physics? 6 DAKp Problem Direct CPV established in B system (2004) !