Analysis of the behavior of the pion form factor at small Q/sup 2/ by the method of QCD sum rules

Journal Article · Mon Jun 25 04:00:00 EDT 1984 · JETP Lett. (Engl. Transl.); (United States)

OSTI ID:6106062

Nesterenko, V A; Radyushkin, A V

A QCD sum rule has been derived for the electromagnetic form factor of the pion in the region of a small spacelike momentum transfer, Q/sup 2/< or approx. =m/sup 2//sub rho/. The value found for the electromagnetic radius of the pion, 1/2 = 0.66 +- 0.03 fm, agrees well with experimental data.

• Research Organization: Joint Institute for Nuclear Research
• OSTI ID: 6106062
• Journal Information: JETP Lett. (Engl. Transl.); (United States), Journal Name: JETP Lett. (Engl. Transl.); (United States) Vol. 39:12; ISSN JTPLA
• Country of Publication: United States
• Language: English

Related Subjects

645202* -- High Energy Physics-- Particle Interactions &amp; Properties-Theoretical-- Electromagnetic Interactions &amp; Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
ELECTROMAGNETIC FORM FACTORS
ELEMENTARY PARTICLES
EQUATIONS
FIELD THEORIES
FORM FACTORS
HADRONS
MESONS
PARTICLE PROPERTIES
PARTICLE RADII
PIONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
SUM RULES