Quenched Chiral Perturbation Theory to one loop

Details Quenched Chiral Perturbation Theory to one loop Quenched Chiral Perturbation Theory to one loop

1997-09-23

arxiv.org/abs/hep-lat/9709090v1

Nucl.Phys.Proc.Suppl. 63 (1998) 299-301

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, Latex, uses espcrc2.sty. Talk given by E. Pallante at Lattice97, Edinburgh 22--26 July 1997, to appear in Nucl. Phys.

Scientific paper

10.1016/S0920-5632(97)00752-4

The divergences of the generating functional of quenched Chiral Perturbation theory (qCHPT) to one loop are computed in closed form. We show how the quenched chiral logarithms can be reabsorbed in the renormalization of the $B_0$ parameter of the leading order Lagrangian. Finally, we do the chiral power counting for the quenched case and show that also finite loop corrections may diverge in the chiral limit.

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