Skip to content

A note on inequalities for the masses of the lightest pi-pi resonances in large Nc QCD

M. V. Polyakov, V. V. Vereshagin

hep-pharXiv:hep-ph/0104287

Abstract

We derive and analyse inequalities relating masses of the lightest pi-pi resonances (rho and sigma) to low energy couplings of the effective chiral Lagrangian in the limit of large number of colours.

Create a lesson