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The Regularization of the Fermion Determinant in Chiral Quark Models

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arxiv hep-ph/9312260 v1 pith:JRQBRGWS submitted 1993-12-10 hep-ph nucl-th

R. D. Ball , G. Ripka This is my paper · ORCID
classification hep-phnucl-th
keywords quarkregularizationactionalwaysamplitudesanomalouschiralconsistent
verification ladder T0 review T1 audit T2 compute T3 formal
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The momentum dependence of the quark self energy gives a physically motivated and consistent regularization of both the real and imaginary parts of the quark loop contribution to the meson action. We show that the amplitudes for anomalous processes are always reproduced correctly.

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Cited by 2 Pith papers

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  1. Electromagnetic form factors of the nucleon from the instanton vacuum

    hep-ph 2026-05 unverdicted novelty 5.0 of 10

    Nucleon EM form factors computed in instanton vacuum model with parameters fixed by saddle-point equation yield proton charge radius 0.841 fm matching muonic hydrogen and good agreement on Q2 dependence of ratios.

  2. Nucleon and singly heavy baryons from the QCD instanton vacuum

    hep-ph 2025-01 conditional novelty 5.0 of 10

    A chiral soliton model with a momentum-dependent quark mass from the instanton vacuum predicts Delta-N and Sigma_Q-Lambda_Q mass splittings of 214 and 206 MeV.

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