PION AND NUCLEON THERMAL WIDTHS IN THE LINEAR SIGMA-MODEL

Authors
DOMINGUEZ CA LOEWE M ROJAS JC
Citation
Ca. Dominguez et al., PION AND NUCLEON THERMAL WIDTHS IN THE LINEAR SIGMA-MODEL, Physics letters. Section B, 320(3-4), 1994, pp. 377-380
Citations number
11
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
320
Issue
3-4
Year of publication
1994
Pages
377 - 380
Database
ISI
SICI code
0370-2693(1994)320:3-4<377:PANTWI>2.0.ZU;2-0
Abstract
We calculate the hadronic width (damping rate) of pions and nucleons a t finite temperature in the framework of the linear sigma model, and t o lowest order in the virial expansion. Results indicate a substantial growth of both widths even at moderately low temperatures.