Effect of negative energy components for two-nucleon systems in the relativistic framework with the separable ansatz

Details Effect of negative energy components for two-nucleon systems in the relativistic framework with the separable ansatz Effect of negative energy components for two-nucleon systems in the relativistic framework with the separable ansatz

2007-05-24

arxiv.org/abs/0705.3497v1

Physics

Nuclear Physics

Nuclear Theory

18 pages, 15 figures

Scientific paper

We investigate the electromagnetic properties of the deuteron such as the charge and magnetic form factors by solving the Bethe-Salpeter equation (BSE) with the separable ansatz. In solving the deuteron bound state solution to the BSE, we include negative energy components of $P$-wave in addition to the $^3S_1$ and $^3D_1$ states of positive energy, employing a rank IV separable ansatz. We found that the inclusion of the negative energy components improves systematically the electromagnetic properties which are not described in the conventional non-relativistic impulse approximation.

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