The article[1]discusses systematically the measurement of neutral triple gauge boson couplings(nTGCs)[2-11](that violate CP symmetry)at high-energy colliders,especially at the electron-positron Higgs factories.Since d...The article[1]discusses systematically the measurement of neutral triple gauge boson couplings(nTGCs)[2-11](that violate CP symmetry)at high-energy colliders,especially at the electron-positron Higgs factories.Since direct couplings of triple neutral gauge bosons do not exist both in the dimension-4 Lagrangian of the standard model(SM)and at the dimension-6 level of the SM effective field theory(SMEFT),measuring the nTGCs can provide an effective window for searching new physics beyond the SM.Furthermore,the nTGCs can provide possible new source of CP violations beyond the Kobayashi-Maskawa(KM)mechanism[12]of the SM.Hence,measuring the CPV nTGCs is important for a better understanding of the CP violations and possibly the origin of the matter in the Universe.展开更多
文摘The article[1]discusses systematically the measurement of neutral triple gauge boson couplings(nTGCs)[2-11](that violate CP symmetry)at high-energy colliders,especially at the electron-positron Higgs factories.Since direct couplings of triple neutral gauge bosons do not exist both in the dimension-4 Lagrangian of the standard model(SM)and at the dimension-6 level of the SM effective field theory(SMEFT),measuring the nTGCs can provide an effective window for searching new physics beyond the SM.Furthermore,the nTGCs can provide possible new source of CP violations beyond the Kobayashi-Maskawa(KM)mechanism[12]of the SM.Hence,measuring the CPV nTGCs is important for a better understanding of the CP violations and possibly the origin of the matter in the Universe.
