On the covariant relativistic separable kernel

Two different methods of the covariant relativistic separable kernel construction in the Bethe-Salpeter approach are considered. One of them leads in the center-of-mass system of two particles to the quasipotential equation. The constructed 4-dimensional covariant functions are used to reproduce neu...

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Published in:arXiv.org 2008-06
Main Authors: Bondarenko, S G, Burov, V V, Rogochaya, E P, Yanev, Y
Format: Article
Language:English
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Kernels
Relativism
Relativistic effects
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Burov, V V
Rogochaya, E P
Yanev, Y
description Two different methods of the covariant relativistic separable kernel construction in the Bethe-Salpeter approach are considered. One of them leads in the center-of-mass system of two particles to the quasipotential equation. The constructed 4-dimensional covariant functions are used to reproduce neutron-proton phase shifts for total angular momenta \(J=0,1\). Obtained results are compared with other model calculations.
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subjects Kernels
Relativism
Relativistic effects
title On the covariant relativistic separable kernel
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