Simple dynamical model for. gamma. N. -->. pi. /sup + -/. delta
Journal Article
·
· Phys. Rev., D; (United States)
An elementary phenomenological extension of the gauge-invariance- constrained dynamical amplitudes for ..gamma..N ..-->.. ..pi../sup + -/..delta.. is considered. The extended amplitudes are parameterized with a real (minimal gauge-invariant extension of one-pion-exchange) background term and simple Regge-pole forms. The two free parameters which both appear in the unnatural-parity-exchange component are determined by comparison with dsigma''/dt data for ..gamma..p ..-->.. ..pi../sup -/..delta../sup + +/. The remainder of the natural-parity exchange is represented by rho and A/sub 2/ exchange. Predictions are made for dsigma/dt and ..xi.., for the various charge states and the unnatural-parity-exchange components are well described in each case.
- Research Organization:
- Department of Physics, Texas A M University, College Station, Texas 77840
- OSTI ID:
- 6692612
- Journal Information:
- Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 18:5; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Unnatural parity exchange in $pi$$sup +$p $Yields$ (rho,$omega$)$delta$$sup ++$
Technical Report
·
Fri Dec 31 23:00:00 EST 1976
·
OSTI ID:7311779
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Journal Article
·
Mon Jan 31 23:00:00 EST 1977
· Phys. Rev., D; (United States)
·
OSTI ID:7124332
Unnatural parity exchange in $pi$$sup +$p $Yields$ (rho,$omega$)$delta$$sup ++$
Journal Article
·
Mon Sep 15 00:00:00 EDT 1975
· Phys. Lett., B, v. 58, no. 3, pp. 376-380
·
OSTI ID:4112987
Related Subjects
645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON RESONANCES
BARYONS
BASIC INTERACTIONS
BOSON-EXCHANGE MODELS
BOSONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
FERMIONS
GAUGE INVARIANCE
HADRONS
INTERACTIONS
INVARIANCE PRINCIPLES
MATHEMATICAL MODELS
MESONS
N RESONANCES
OBE MODEL
OPE MODEL
PARITY
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PERIPHERAL MODELS
PHOTON-BARYON INTERACTIONS
PHOTON-HADRON INTERACTIONS
PHOTON-NUCLEON INTERACTIONS
PHOTOPRODUCTION
PIONS
PIONS MINUS
PIONS PLUS
PSEUDOSCALAR MESONS
REGGE POLES
RESONANCE PARTICLES
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON RESONANCES
BARYONS
BASIC INTERACTIONS
BOSON-EXCHANGE MODELS
BOSONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
FERMIONS
GAUGE INVARIANCE
HADRONS
INTERACTIONS
INVARIANCE PRINCIPLES
MATHEMATICAL MODELS
MESONS
N RESONANCES
OBE MODEL
OPE MODEL
PARITY
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PERIPHERAL MODELS
PHOTON-BARYON INTERACTIONS
PHOTON-HADRON INTERACTIONS
PHOTON-NUCLEON INTERACTIONS
PHOTOPRODUCTION
PIONS
PIONS MINUS
PIONS PLUS
PSEUDOSCALAR MESONS
REGGE POLES
RESONANCE PARTICLES