Use of form factors in electromagnetic interactions

Journal Article · Mon May 01 04:00:00 EDT 1989 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.39.1907· OSTI ID:6247306

Naus, H W.L.; Koch, J H

We comment on the description of electromagnetic reactions involving hadrons, when the internal structure of the hadrons is taken into account. General off-shell vertex operators, only constrained by Lorentz and gauge invariance, are used. The electromagnetic production of pions on a nucleon is discussed as an example. Commonly used ad hoc recipes involving phenomenological form factors are discussed in the framework of an exact formulation.

• Research Organization: National Institute of Nuclear Physics and High-Energy Physics (NIKHEF, section K), 1009 DB Amsterdam, The Netherlands
• OSTI ID: 6247306
• Journal Information: Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 39:5; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

653003* -- Nuclear Theory-- Nuclear Reactions & Scattering
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BASIC INTERACTIONS
BORN APPROXIMATION
BOSONS
CHARGED-PARTICLE REACTIONS
COUPLING CONSTANTS
ELECTROMAGNETIC FORM FACTORS
ELECTROMAGNETIC INTERACTIONS
ELECTRON REACTIONS
ELECTROPRODUCTION
ELEMENTARY PARTICLES
FORM FACTORS
GAUGE INVARIANCE
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
INVARIANCE PRINCIPLES
LEPTON REACTIONS
LORENTZ INVARIANCE
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEAR REACTIONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PARTICLE STRUCTURE
PCAC THEORY
PHOTONUCLEAR REACTIONS
PHOTOPRODUCTION
PION-NUCLEON INTERACTIONS
PIONS
PROPAGATOR
PSEUDOSCALAR MESONS
RENORMALIZATION
WARD IDENTITY