On the covariant relativistic separable kernel

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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.
10 pages, 5 figures; Proceedings of the conference: The XVIII International Baldin Seminar on High Energy Physics Problems "Relativistic Nuclear Physics and Quantum Chromodynamics", 2006; published in 2008

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/214433

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0806.4866
 http://arxiv.org/abs/0806.4866
 Proc.Conf."The XVIII International Baldin Seminar on High Energy Physics Problems "Relativistic Nuclear Physics and Quantum Chromodynamics 2006" 2 (2008) 120-129

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