作者: R. D. Peccei , Helen R. Quinn
DOI: 10.1103/PHYSREVLETT.38.1440
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摘要: We give an explanation of the $\mathrm{CP}$ conservation strong interactions which includes effects pseudoparticles. find it is a natural result for any theory where at least one flavor fermion acquires its mass through Yukawa coupling to scalar field has nonvanishing vacuum expectation value.