Asymptotic behavior of the proton electromagnetic form factor with pion exchanges in the ladder approximation
Journal Article
·
· Phys. Rev., D; (United States)
The asymptotic behavior of the proton electromagnetic form factor due to virtual pion exchanges is studied by restricting to a class of ladder diagrams. We set up an off-mass-shell integral equation for the modified proton-proton-photon vertex due to virtual pion exchanges by summing up an infinite number of ladder diagrams. This integral equation is converted into a set of coupled differential equations involving Lorentz-invariant amplitudes. From the solutions of the differential equations it is found that the usual form factor is modified by a factor exp)(-1/2 +- (1/2)(1-g/sup 2//..pi../sup 2/)/sup 1/2/)lnt) at large momentum transfers, where g is the pion-nucleon coupling constant.
- Research Organization:
- Physics Department, Visva-Bharati, Santiniketan 731235, India
- OSTI ID:
- 5001627
- Journal Information:
- Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 22:8; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BARYONS
BOSON-EXCHANGE MODELS
COUPLING CONSTANTS
DIAGRAMS
DIFFERENTIAL EQUATIONS
ELECTROMAGNETIC FORM FACTORS
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
FEYNMAN DIAGRAM
FIELD THEORIES
FORM FACTORS
FUNCTIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
INVARIANCE PRINCIPLES
LADDER APPROXIMATION
LORENTZ INVARIANCE
MATHEMATICAL MODELS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
NUCLEAR MODELS
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
PERIPHERAL MODELS
PION-NUCLEON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PROTONS
QUANTUM FIELD THEORY
RENORMALIZATION
SHELL MODELS
SPINORS
VERTEX FUNCTIONS
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BARYONS
BOSON-EXCHANGE MODELS
COUPLING CONSTANTS
DIAGRAMS
DIFFERENTIAL EQUATIONS
ELECTROMAGNETIC FORM FACTORS
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
FEYNMAN DIAGRAM
FIELD THEORIES
FORM FACTORS
FUNCTIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
INVARIANCE PRINCIPLES
LADDER APPROXIMATION
LORENTZ INVARIANCE
MATHEMATICAL MODELS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
NUCLEAR MODELS
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
PERIPHERAL MODELS
PION-NUCLEON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PROTONS
QUANTUM FIELD THEORY
RENORMALIZATION
SHELL MODELS
SPINORS
VERTEX FUNCTIONS