Quark-pair contribution in deep-inelastic lepton--nucleon scattering
Journal Article
·
· Phys. Rev., D; (United States)
A modified quark--parton model is considered. We assume a nucleon is composed of valence quarks and gluons. Quark pairs are produced via gluon--photon (or gluon--intermediate vector boson) interactions, which replace the ''sea'' contribution of a conventional quark--parton model. The theory has logarithmic q/sup 2/ violation of scaling for the structure functions. The model predictions are compared with recent experimental data from Fermilab. Charmed-hadron--production effects on the structure functions are considered in the standard model with the SU(4) x SU(3)/sub color/ symmetry group. The contribution is approx. 10% at x < or = 0.1, several percent at x between 0.1 and 0.25, and less than 1% at x > or , 0.25 for Q/sup 2/ between 10 and 50 GeV/sup 2/. (AIP)
- Research Organization:
- Laboratory of Nuclear Studies, Cornell University, Ithaca, New York 14853
- OSTI ID:
- 7282154
- Journal Information:
- Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 13:11; 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
645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
CHARM PARTICLES
COMPOSITE MODELS
CROSS SECTIONS
ELECTRON-NUCLEON INTERACTIONS
ELEMENTARY PARTICLES
EQUATIONS
FUNCTIONS
GLUON MODEL
INCLUSIVE INTERACTIONS
INELASTIC SCATTERING
INTERACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIE GROUPS
MATHEMATICAL MODELS
NEUTRINO-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTON MODEL
POSTULATED PARTICLES
QUARK MODEL
SCATTERING
SCATTERING AMPLITUDES
STRUCTURE FUNCTIONS
SU GROUPS
SU-3 GROUPS
SU-4 GROUPS
SUM RULES
SYMMETRY GROUPS
645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
CHARM PARTICLES
COMPOSITE MODELS
CROSS SECTIONS
ELECTRON-NUCLEON INTERACTIONS
ELEMENTARY PARTICLES
EQUATIONS
FUNCTIONS
GLUON MODEL
INCLUSIVE INTERACTIONS
INELASTIC SCATTERING
INTERACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIE GROUPS
MATHEMATICAL MODELS
NEUTRINO-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTON MODEL
POSTULATED PARTICLES
QUARK MODEL
SCATTERING
SCATTERING AMPLITUDES
STRUCTURE FUNCTIONS
SU GROUPS
SU-3 GROUPS
SU-4 GROUPS
SUM RULES
SYMMETRY GROUPS