Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2007-02-19
Phys.Rev.C75:054302,2007
Physics
Nuclear Physics
Nuclear Theory
Modified version of the previous paper (there are new figures). The paper has been accepted for publication in Physical Review
Scientific paper
10.1103/PhysRevC.75.054302
The momentum distributions, natural orbits, spectroscopic factors and quasi-hole wave functions of the C12, O16, Ca40, Ca48, and Pb208 doubly closed shell nuclei, have been calculated in the framework of the Correlated Basis Function theory, by using the Fermi hypernetted chain resummation techniques. The calculations have been done by using the realistic Argonne v8' nucleon-nucleon potential, together with the Urbana IX three-body interaction. Operator dependent correlations, which consider channels up to the tensor ones, have been used. We found noticeable effects produced by the correlations. For high momentum values, the momentum distributions show large enhancements with respect to the independent particle model results. Natural orbits occupation numbers are depleted by about the 10\% with respect to the independent particle model values. The effects of the correlations on the spectroscopic factors are larger on the more deeply bound states.
Bisconti C.
Co' Giampaolo
de Saavedra Arias F.
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