Publisher： Edp Sciences
E-ISSN： 2100-014x|113|issue|03012-03012
ISSN： 2100-014x
Source： EPJ Web of Conference, Vol.113, Iss.issue, 2016-03, pp. : 03012-03012
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Abstract
We review a method to directly solve the Bethe-Salpeter equation in Minkowski space, both for bound and scattering states. It is based on a proper treatment of the many singularities which appear in the kernel and propagators. The off-mass shell scattering amplitude for spinless particles interacting by a one boson exchange was computed for the first time. Using our Minkowski space solutions for the initial (bound) and final (scattering) states, we calculate elastic and transition (bound → scattering state) electromagnetic form factors. The conservation of the transition electromagnetic current
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