Comparative analysis of the QCD sum-rule method and perturbative QCD for the process. gamma. (. gamma. (. -->. pi. /sup 0/
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:6875587
By means of the QCD sum-rule method we investigate the dependence of the form factor of the process ..gamma..(/sub 1/..gamma..(/sub 2/ ..-->.. ..pi../sup 0/ on the momentum transfer Q/sup 2/ = -q/sup 2//sub 1/ = -q/sup 2//sub 2/ in the whole region 0.. infinity calculated in the framework of perturbative QCD.
- Research Organization:
- Joint Institute for Nuclear Research
- OSTI ID:
- 6875587
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 38:2; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BASIC INTERACTIONS
BOSONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
EQUATIONS
FIELD THEORIES
FORM FACTORS
GEV RANGE
GEV RANGE 10-100
HADRONS
INTERACTIONS
MESONS
MOMENTUM TRANSFER
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PERTURBATION THEORY
PHOTON-PHOTON INTERACTIONS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
SUM RULES
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BASIC INTERACTIONS
BOSONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
EQUATIONS
FIELD THEORIES
FORM FACTORS
GEV RANGE
GEV RANGE 10-100
HADRONS
INTERACTIONS
MESONS
MOMENTUM TRANSFER
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PERTURBATION THEORY
PHOTON-PHOTON INTERACTIONS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
SUM RULES