AN EFFECTIVE LAGRANGIAN WITH BROKEN SCALE AND CHIRAL-SYMMETRY .2. PION PHENOMENOLOGY

Citation
G. Carter et al., AN EFFECTIVE LAGRANGIAN WITH BROKEN SCALE AND CHIRAL-SYMMETRY .2. PION PHENOMENOLOGY, Nuclear physics. A, 603(3-4), 1996, pp. 367-386
Citations number
57
Categorie Soggetti
Physics, Nuclear
Journal title
ISSN journal
03759474
Volume
603
Issue
3-4
Year of publication
1996
Pages
367 - 386
Database
ISI
SICI code
0375-9474(1996)603:3-4<367:AELWBS>2.0.ZU;2-I
Abstract
We extend an effective Lagrangian embodying broken scale and chiral sy mmetry to include explicit chiral symmetry breaking and an additional chiral-invariant term which allows for an axial coupling constant grea ter than unity. We also include a chiral Lagrangian for the isotriplet vector mesons which leads to a renormalization of the pion field. The properties of nuclear matter and nuclei, low-energy pi N scattering a nd the behavior of quantities such as the pion mass and axial coupling at finite density are discussed.