CP violation in the standard model with four generations of quarks in examined using rephasing invariants of the mixing matrix.A condition for CP invariance is presented and proved.CP violations in different sections ...CP violation in the standard model with four generations of quarks in examined using rephasing invariants of the mixing matrix.A condition for CP invariance is presented and proved.CP violations in different sections are connected by orthogonal conditions.展开更多
We give a general formula of doubly tagged cross sections for small mixing D°-D°systems.The contamination from doubly Cabibbo suppressed nonleptonic decags to the like–sign events may be cancelled if the ne...We give a general formula of doubly tagged cross sections for small mixing D°-D°systems.The contamination from doubly Cabibbo suppressed nonleptonic decags to the like–sign events may be cancelled if the neutral pseudoscalar meson pair is in the C-parity odd state which happens in the e+e-collider atψ"resonance.展开更多
The CP violation in B_(s)→F^(±)K■ is of the order 0(0.1)due to the interplay of mixing and interference.The event rate is about 10^(-5),if C=+for the primary B_(s)B_(s) pair.
文摘CP violation in the standard model with four generations of quarks in examined using rephasing invariants of the mixing matrix.A condition for CP invariance is presented and proved.CP violations in different sections are connected by orthogonal conditions.
文摘We give a general formula of doubly tagged cross sections for small mixing D°-D°systems.The contamination from doubly Cabibbo suppressed nonleptonic decags to the like–sign events may be cancelled if the neutral pseudoscalar meson pair is in the C-parity odd state which happens in the e+e-collider atψ"resonance.
文摘The CP violation in B_(s)→F^(±)K■ is of the order 0(0.1)due to the interplay of mixing and interference.The event rate is about 10^(-5),if C=+for the primary B_(s)B_(s) pair.
