%0 Journal Article
%T Regularizing the quark-level $¦Ò$ model
%A R. Delbourgo
%A A. A. Rawlinson
%A M. D. Scadron
%J Physics
%D 1998
%I arXiv
%R 10.1142/S0217732398001996
%X We show that the finite difference, $-i\pi^2 m^2$, between quadratic and logarithmic divergent integrals $\int d^4p[m^2(p^2-m^2)^{-2}-(p^2-m^2)^{-1}]$, as encountered in the linear $\sigma$ model, is in fact regularization independent.
%U http://arxiv.org/abs/hep-ph/9807505v1