Resonant [ital P][sub 33] [ital S][sub 1+][sup (3/2)]([ital q][sup 2]) electroproduction multipole amplitude and the [Delta][ital N][gamma] scalar form factor [ital G][sub [ital C]][sup *]([ital q][sup 2])
Journal Article
·
· Physical Review, C (Nuclear Physics); (United States)
OSTI ID:7116896
- Department of Physics, University of New Orleans, New Orleans, Louisiana 70148 (United States)
The resonant [ital P][sub 33] single-pion electroproduction multipole amplitude [ital S][sub 1][sup +(3/2)]([ital q][sup 2]) and the [Delta][ital N][gamma] scalar form factor [ital G][sub [ital C]][sup *]([ital q][sup 2]) are calculated nonperturbatively in terms of the well-known nucleon form factors [ital g][sub [ital A]]([ital q][sup 2]) and [ital G][sub [ital E]][sup [ital V]]([ital q][sup 2]). Results are in good agreement with experiment. Our treatment is completely relativistic with current conservation guaranteed. Assuming the usual dipole behavior for [ital g][sub [ital A]]([ital q][sup 2]) and [ital G][sub [ital E]][sup [ital V]]([ital q][sup 2]), we confirm that [ital G][sub [ital C]][sup *]([ital q][sup 2]) falls off asymptotically at the rate [ital q][sup [minus]6] as expected in perturbative QCD.
- OSTI ID:
- 7116896
- Journal Information:
- Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 49:6; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
662330 -- Photon & Charged-Lepton Interactions with Hadrons-- (1992)
662390* -- Electromagnetic Processes & Properties-- (1992-)
663410 -- Photonuclear Reactions & Photon Scattering-- (1992-)
663420 -- Lepton-Induced Reactions & Scattering-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYONS
BASIC INTERACTIONS
BOSONS
DELTA BARYONS
ELECTROMAGNETIC FORM FACTORS
ELECTROMAGNETIC INTERACTIONS
ELECTROPRODUCTION
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
FERMIONS
FIELD THEORIES
FORM FACTORS
HADRONS
INTERACTIONS
MASSLESS PARTICLES
MESONS
MULTIPOLE TRANSITIONS
N BARYONS
NUCLEAR REACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PERTURBATION THEORY
PHOTONS
PHOTONUCLEAR REACTIONS
PIONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
RELATIVISTIC RANGE
RESONANCE
662390* -- Electromagnetic Processes & Properties-- (1992-)
663410 -- Photonuclear Reactions & Photon Scattering-- (1992-)
663420 -- Lepton-Induced Reactions & Scattering-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYONS
BASIC INTERACTIONS
BOSONS
DELTA BARYONS
ELECTROMAGNETIC FORM FACTORS
ELECTROMAGNETIC INTERACTIONS
ELECTROPRODUCTION
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
FERMIONS
FIELD THEORIES
FORM FACTORS
HADRONS
INTERACTIONS
MASSLESS PARTICLES
MESONS
MULTIPOLE TRANSITIONS
N BARYONS
NUCLEAR REACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PERTURBATION THEORY
PHOTONS
PHOTONUCLEAR REACTIONS
PIONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
RELATIVISTIC RANGE
RESONANCE