Stability of two-fermion bound states in the explicitly covariant Light-Front Dynamics

Details Stability of two-fermion bound states in the explicitly covariant Light-Front Dynamics Stability of two-fermion bound states in the explicitly covariant Light-Front Dynamics

2001-12-03

arxiv.org/abs/hep-th/0112017v1

Nucl.Phys.Proc.Suppl. 108 (2002) 259-263

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, 8 figures, to be published in Nucl. Phys. B (Proc. Suppl.), contribution to the XIth Light-cone Meeting at ECT* in Tr

Scientific paper

10.1016/S0920-5632(02)01340-3

The covariant light-front equations have been solved exactly for a two fermion system with different boson exchange ladder kernels. We present a method to study the cutoff dependence of these equations and to determine whether they need to be regularized or not. Results are presented for scalar and pseudo-scalar exchange. This latter furthermore exhibits some strange particularities which will be discussed.

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