While indirect and direct C P violation（CPV） has been established in the decays of strange and beauty mesons, no CPV has yet been found for baryons. There are different paths to finding C P asymmetry in the decays o...While indirect and direct C P violation（CPV） has been established in the decays of strange and beauty mesons, no CPV has yet been found for baryons. There are different paths to finding C P asymmetry in the decays of strange baryons; they are all highly non-trivial. The Hyper CP Collaboration has probed CPV in the decays of singleΞ and Λ [1]. We discuss future lessons from e~＋e^-collisions at BESⅢ/BEPCⅡ： probing decays of pairs of strange baryons, namely Λ, Σ and . Realistic goals are to learn about non-perturbative QCD. One can hope to find CPV in the decays of strange baryons; one can also dream of finding the impact of New Dynamics. We point out that an important new era will start with the BESIII/BEPCII data accumulated by the end of 2018. This also supports new ideas to trigger J/ψ→■Λ at the LHCb collaboration.展开更多
基金Supported by National Science Foundation(PHY-1520966)National Natural Science Foundation of China(11335009,11125525)+3 种基金Joint Large-Scale Scientific Facility Funds of the NSFC and CAS(U1532257)the National Key Basic Research Program of China(2015CB856700)Key Research Program of Frontier Sciences,CAS,(QYZDJ-SSW-SLH003)XWK’s work is also supported by MOST(Taiwan)(104-2112-M-001-022)
文摘While indirect and direct C P violation（CPV） has been established in the decays of strange and beauty mesons, no CPV has yet been found for baryons. There are different paths to finding C P asymmetry in the decays of strange baryons; they are all highly non-trivial. The Hyper CP Collaboration has probed CPV in the decays of singleΞ and Λ [1]. We discuss future lessons from e~＋e^-collisions at BESⅢ/BEPCⅡ： probing decays of pairs of strange baryons, namely Λ, Σ and . Realistic goals are to learn about non-perturbative QCD. One can hope to find CPV in the decays of strange baryons; one can also dream of finding the impact of New Dynamics. We point out that an important new era will start with the BESIII/BEPCII data accumulated by the end of 2018. This also supports new ideas to trigger J/ψ→■Λ at the LHCb collaboration.
