Baryon Masses in Chiral Perturbation Theory with Infrared Regularization

Details Baryon Masses in Chiral Perturbation Theory with Infrared Regularization Baryon Masses in Chiral Perturbation Theory with Infrared Regularization

1999-04-07

arxiv.org/abs/nucl-th/9904017v2

Phys.Rev. C61 (2000) 015205

Physics

Nuclear Physics

Nuclear Theory

The original third order calculation is supplemented by an estimate of fourth order using just the dominant diagram. The conve

Scientific paper

10.1103/PhysRevC.61.015205

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.

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