Published December 2005 | Version v1
Journal article Metadata-only

Gauge invariance in two-particle scattering

Creators

  • 1. Helmholtz-Institut fuer Strahlen- und Kernphysik (Theorie), Universitaet Bonn, Nussallee 14-16, D-53115 Bonn (Germany)
  • 2. Institut fuer Kernphysik (Theorie), Forschungszentrum Juelich, D-52425 Juelich (Germany)

Description

It is shown how gauge invariance is obtained for the coupling of a photon to a two-body state described by the solution of the Bethe-Salpeter equation. This is illustrated both for a complex scalar field theory and for interaction kernels derived from chiral effective Lagrangians

Additional details

Identifiers

DOI
10.1103/PhysRevC.72.065201;
arXiv
arXiv:hep-ph/0508307v2;

Publishing Information

Journal Title
Physical Review. C, Nuclear Physics
Journal Volume
72
Journal Issue
6
Journal Page Range
p. 065201-065201.8
ISSN
0556-2813
CODEN
PRVCAN

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
37076570
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
BETHE-SALPETER EQUATION; CHIRALITY; COUPLING; GAUGE INVARIANCE; KERNELS; LAGRANGIAN FUNCTION; MATHEMATICAL SOLUTIONS; PHOTONS; SCALAR FIELDS; SCATTERING; TWO-BODY PROBLEM
Descriptors DEC
BOSONS; ELEMENTARY PARTICLES; EQUATIONS; FUNCTIONS; INVARIANCE PRINCIPLES; MANY-BODY PROBLEM; MASSLESS PARTICLES; PARTICLE PROPERTIES

Optional Information

Notes
(c) 2005 The American Physical Society