Baryon Masses in Chiral Perturbation Theory with Infrared Regularization

Baryon Masses in Chiral Perturbation Theory with Infrared Regularization

The baryon masses are examined in SU(3) chiral perturbation theory to third order using the recently proposed infrared regularization scheme. Fourth order is estimated by evaluating the dominant diagram. With this regularization the magnitude of the loop integrals is reduced so that the convergence...

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Veröffentlicht in:arXiv.org 1999-11
Hauptverfasser: Ellis, P J, Torikoshi, K
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Sprache:eng
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Baryons
Chiral dynamics
Perturbation theory
Regularization
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description The baryon masses are examined in SU(3) chiral perturbation theory to third order using the recently proposed infrared regularization scheme. Fourth order is estimated by evaluating the dominant diagram. With this regularization the magnitude of the loop integrals is reduced so that the convergence of the series appears to be better than in the heavy baryon approach.
doi_str_mv 10.48550/arxiv.9904017
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subjects Baryons
Chiral dynamics
Perturbation theory
Regularization
title Baryon Masses in Chiral Perturbation Theory with Infrared Regularization
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