Hara's theorem, quark model, and \(\gamma _5\)-dependent renormalization constants
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We discuss the applicability of \(\gamma_5\)-dependent field renormalization as a means of renormalizing away the apparent violation of Hara's theorem observed in the quark model. It is pointed out that a result totally analogous to the violation of Hara's theorem is predicted by the quark model also for neutral baryons. For neutral baryons, however, such a result cannot be renormalized away. This proves that \(\gamma _5\)-dependent renormalization does not provide a proper way for a hadron-level understanding of the violation of Hara's theorem observed in the quark model.
KeywordsDependent Field Quark Model Renormalization Constant Apparent Violation Field Renormalization
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