Complex fermion mass term, regularization and CP violation
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Publication:5297512
DOI10.1088/1751-8113/40/26/F03zbMATH Open1136.81423arXiv0705.2680OpenAlexW1988173856MaRDI QIDQ5297512
Author name not available (Why is that?)
Publication date: 11 July 2007
Published in: (Search for Journal in Brave)
Abstract: It is well known that the CP violating theta term of QCD can be converted to a phase in the quark mass term. However, a theory with a complex mass term for quarks can be regularized so as not to violate CP, for example through a zeta function. The contradiction is resolved through the recognition of a dependence on the regularization or measure. The appropriate choice of regularization is discussed and implications for the strong CP problem are pointed out.
Full work available at URL: https://arxiv.org/abs/0705.2680
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