Gauge-invariant models for two-body scattering with the Bethe-Salpeter ladder approximation | Zendy

G. E. Hite | Zendy; H. J. W. MüllerKirsten | Zendy

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Gauge-invariant models for two-body scattering with the Bethe-Salpeter ladder approximation

Author(s) -

G. E. Hite,

H. J. W. MüllerKirsten

Publication year - 1974

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.10.1553

Subject(s) - physics , bethe–salpeter equation , particle physics , invariant (physics) , gauge theory , scattering , mathematical physics , vertex (graph theory) , elementary particle , quantum mechanics , combinatorics , bound state , mathematics , graph

A natural and selfconsistent method is given in the context of the ladder approximation of the Bethe-Salpeter equation for the construction of gauge invariant models for two-body scattering involving photons. The vertices in these models are assumed to have structure and to be described by Bethe-Salpeter equations. As examples, models for the following reactions are given: IL yN yN, yN TON, 6 YT -y?r, ynp X. (Submitted to Phys. Rev. ) *Work supported in part by the U. S. Atomic Energy Commission. tMax Kade Foundation Fellow. On leave from University of TrierKaiserslautern, Kaiserslautern, Germany.

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