Microscopic optical potentials for nucleon-nucleus scattering
نویسندگان
چکیده
منابع مشابه
Microscopic optical potentials for nucleon - nucleus scattering
Microscopic optical potentials for nucleon-nucleus (NA) scattering obtained from the folding of the effective g matrices, solutions of the Bruckner-BetheGoldstone equation, with the densities of the target, are applied to the case of neutron-nucleus scattering. Given that the optical potentials are specified in all two-body angular momentum, spin and isospin channels available to the NA scatter...
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The theoretical approach to the elastic scattering of a nucleon from a nucleus, pioneered by Watson [1], made familiar by Kerman, McManus, and Thaler (KMT) [2] and further developed as the spectator expansion [3, 4, 5, 6] is now being applied with striking success. In a similar vein, a slightly di erent approach to the multiple scattering expansion within the KMT framework is being pursued by t...
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Detailed comparisons are made between results of calculations for intermediate energy nucleon– 208 Pb scattering using optical potentials obtained from Dirac phenomenology and a microscopic Schrödinger model. The two approaches yield quite similar results for all of the observables with each projectile , including spin observables, suggesting the two models are physically equivalent. A new phen...
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Optical model potentials for elastic nucleon nucleus scattering are calculated for a number of target nuclides from a full-folding integral of two different realistic target density matrices together with full off-shell nucleonnucleon t-matrices derived from two different Bonn meson exchange models. Elastic proton and neutron scattering observables calculated from these full-folding optical pot...
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Two causes of non-locality inherent in nucleon-nucleus scattering are considered. They are the results of two-nucleon antisymmetry of the projectile with each nucleon in the nucleus and the dynamic polarization potential representation of channel coupling. For energies ∼ 40− 300 MeV, a g-folding model of the optical potential is used to show the influence of the knock-out process that is a resu...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2001
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.64.064601