例文
- "Direct " CP violation is allowed in the Standard Model if a complex phase appears in the CKM matrix describing quark mixing, or the PMNS matrix describing neutrino mixing.
- In the Standard Model of particle physics, the "'Cabibbo Kobayashi Maskawa matrix "', "'CKM matrix "', "'quark mixing matrix "', or "'KM matrix "'is a unitary matrix which contains information on the strength of generation to the matrix previously introduced by Nicola Cabibbo.