Baryons in a Covariant and Confining Diquark--Quark Model

Details Baryons in a Covariant and Confining Diquark--Quark Model Baryons in a Covariant and Confining Diquark--Quark Model

1998-05-20

arxiv.org/abs/hep-ph/9805393v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LaTeX, 5 figures, uses sprocl.sty epsf.sty, Talk given at Future Directions in Quark Nuclear Physics, Adelaide March

Scientific paper

In a covariant model where constituent quarks and diquarks interact through quark exchange, the Bethe-Salpeter equation in ladder approximation for octet and decuplet baryons is solved. Quark and diquark confinement is thereby effectively parametrised by choosing appropriately modified propagators. Numerical results for the baryon masses are presented. In a second step electromagnetic, weak and pionic currents are coupled to the bound state according to Mandelstam's technique. The arising matrix elements are evaluated in a generalised impulse approximation and observable form factors are extracted.

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