2,332 research outputs found
One-rank interaction kernel of the two-nucleon system for medium and high energies
A new version of the separable kernel of the nucleon-nucleon interaction in
the Bethe-Salpeter approach is presented. The phase shifts are fitted to recent
experimental data for singlet and uncoupled triplet partial waves of the
neutron-proton scattering with total angular momenta J=0,1. The results are
compared with other model calculations.Comment: 10 pages, 5 figures, 3 table
Relativistic three-nucleon calculations within the Bethe-Salpeter approach
The relativistic properties of the three-nucleon system are investigated
using the Faddeev equations within the Bethe-Salpeter approach. The
nucleon-nucleon interaction is chosen in a separable form. The Gauss quadrature
method is used to calculate the integrals. The system of the integral equations
are solving by iterations method. The binding energy and the partial-wave
amplitudes (1S 0 and 3S 1) of the triton are found
Light-front versus Bethe-Salpeter forms of two nucleon amplitudes
We discuss the relation between the two nucleon Bethe-Salpeter amplitude and
the light front wave functions. Both approaches provide a covariant description
for the deuteron bound state and the two nucleon scattering state. A comparison
is done for the spin-orbit functions as well explicit integrals are given on
the basis of the Nakanishi integral representation method.Comment: 13 pages, Few Body Systems format needs fbsart11.sty, fbsedit2.st
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