Pomeranchuk singularity in nonabelian gauge theories
Journal Article
·
· Sov. Phys. - JETP (Engl. Transl.); (United States)
OSTI ID:5273201
An integral equation is derived for the t-channel partial wave amplitudes in the investigation of the multi-Regge form of the 2..-->..2+n amplitude. For a t-channel state with isospin T=1 the solution of this equation is a Regge pole. The analytic properties of the isospin T=0, 2 partial wave amplitudes are investigated near the threshold for the production of two or three particles. It is shown that in the j-plane there are moving poles and cuts. For the T=0 vacuum channel it was found that the partial wave amplitude has a fixed square-root type branch point to the right of j=1.
- Research Organization:
- Institute for Nuclear Physics, Siberian Division, USSR Academy of Sciences, Novosibirsk
- OSTI ID:
- 5273201
- Journal Information:
- Sov. Phys. - JETP (Engl. Transl.); (United States), Journal Name: Sov. Phys. - JETP (Engl. Transl.); (United States) Vol. 45:2; ISSN SPHJA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645500* -- High Energy Physics-- Scattering Theory-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
EQUATIONS
GAUGE INVARIANCE
INTEGRAL EQUATIONS
INTERACTIONS
INVARIANCE PRINCIPLES
ISOSPIN
MULTIPLE PRODUCTION
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
POMERANCHUK POLES
REGGE POLES
SCATTERING AMPLITUDES
T CHANNEL
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
EQUATIONS
GAUGE INVARIANCE
INTEGRAL EQUATIONS
INTERACTIONS
INVARIANCE PRINCIPLES
ISOSPIN
MULTIPLE PRODUCTION
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
POMERANCHUK POLES
REGGE POLES
SCATTERING AMPLITUDES
T CHANNEL