Published August 1, 1990 | Version v1
Journal article Metadata-only

Field-theory calculations of the pion mass to one-loop order

Creators

  • 1. Department of Physics, University of Arizona, Tucson, AZ (USA)

Description

We compute the pion mass to one-loop order in the SU(2) linear σ and four-fermion model field theories both in terms of the nonstrange current-quark mass mcur. The answers in these two chiral-symmetry schemes are the same and predict mcur∼34 MeV for two quark flavors

Additional details

Publishing Information

Journal Title
Physical Review, D
Journal Volume
42
Journal Issue
3
Series
Phys. Rev., D.
Journal Page Range
941-944
ISSN
0556-2821
CODEN
PRVDA

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
22005557
Subject category
S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
CHIRAL SYMMETRY; DECAY; FERMIONS; FIELD THEORIES; FLAVOR MODEL; LAGRANGIAN FUNCTION; MASS; PIONS; QUANTUM CHROMODYNAMICS; QUARKS; SIGMA MODEL; SU-2 GROUPS; SYMMETRY BREAKING; VACUUM POLARIZATION
Descriptors DEC
BOSON-EXCHANGE MODELS; BOSONS; COMPOSITE MODELS; ELEMENTARY PARTICLES; FUNCTIONS; HADRONS; LIE GROUPS; MATHEMATICAL MODELS; MESONS; PARTICLE MODELS; PERIPHERAL MODELS; POSTULATED PARTICLES; PSEUDOSCALAR MESONS; QUANTUM FIELD THEORY; QUARK MODEL; SU GROUPS; SYMMETRY; SYMMETRY GROUPS