Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2001-07-06
Phys.Rev.C65:034602,2002
Physics
Nuclear Physics
Nuclear Theory
45 pages, 15 figures
Scientific paper
10.1103/PhysRevC.65.034602
A study of the effects of short-range correlations over the (e,e'p) reaction for low missing energy in closed shell nuclei is presented. We use correlated, quasi-hole overlap functions extracted from the asymptotic behavior of the one-body density matrix, containing central correlations of Jastrow type, up to first-order in a cluster expansion, and computed in the very high asymptotic region, up to 100 fm. The method to extract the overlap functions is checked in a simple shell model, where the exact results are known. We find that the single-particle wave functions of the valence shells are shifted to the right due to the short-range repulsion by the nuclear core. The corresponding spectroscopic factors are reduced only a few percent with respect to the shell model. However, the (e,e'p) response functions and cross sections are enhanced in the region of the maximum of the missing momentum distribution due to short-range correlations.
Amaro J. E.
de Saavedra Arias F.
Mazziotta M.
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