Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1999-12-21
Phys.Lett. B474 (2000) 237-244
Physics
Nuclear Physics
Nuclear Theory
12 pages, 11 figures, Latex.tar.gz file Accepted in Phys. Lett. B
Scientific paper
10.1016/S0370-2693(00)00047-2
We study relativistic effects in a system of two scalar particles interacting via a scalar exchange in the Light Front Dynamcis framework. The results are compared to those provided by Bethe-Salpeter and non relativistic equations. It is found in particular that for massive exchange, the relativistic description is of crucial importance even in the limit of zero binding energy. PACS: 11.10, 03.70, 03.65P Keywords: Light-Front Dynamics, Relativistic equations, Quantum Field Theory
Carbonell Jaume
Mangin-Brinet Mariane
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