LHC Physics Run Starts 2008 M4 M5 M3 SPD/PS HCAl Magnet ECAL T3 RICH2 T2 RICHI Vertex Locator ATLAS ALICE 是 0 15m
LHC Physics Run Starts 2008
ClEO Collaboration DO Collaboration CDF Collaboration
CLEO Collaboration, D0 Collaboration, CDF Collaboration
Belle collaboration IHEP, C Z Yuan, CC Zhang et al PKU Y Ban et al USTC, Z P. Zhang et al Other 3 groups from Taiwan BaBar,∴? LHCb Collaboration: 清华,YN.Gao,etal
Belle Collaboration: IHEP, C.Z.Yuan, C.C.Zhang et al., PKU, Y.Ban et al., USTC, Z.P. Zhang et al., Other 3 groups from Taiwan BaBar，… ? LHCb Collaboration: 清华, Y.N. Gao, et al
2. Some important results some puzzles
2. Some important results, some puzzles
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? 6
Acp 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) !