INFN - Laboratori Nazionali di Frascati, May 1995

From: The Second DAFNE Physics Handbook

Chapter 5: The $pipi$ Interaction

Eds. L. Maiani, G. Pancheri, N. Paver

Supported by the INFN, by the EC under the HCM contract number CHRX-CT920026 and by the authors home institutions.

The scattering amplitude
in chiral perturbation theory

J. Gasser

Inst. Theor. Physik, Universität Bern, Sidlerstrasse 5, CH -- 3012 Bern

Abstract:

We discuss scattering in the framework of chiral perturbation theory. In particular, we recall the predictions [1] for the threshold parameters and for the phase shift difference .

• 1 Notation
• 2 Data
• 3 Theory
• 4 Improvements at DANE
• References