Relevance of high-momentum nucleons for nuclear phenomena

Details Relevance of high-momentum nucleons for nuclear phenomena Relevance of high-momentum nucleons for nuclear phenomena

2001-08-13

arxiv.org/abs/nucl-th/0108028v1

Physics

Nuclear Physics

Nuclear Theory

10 pages, 4 figures Proceedings 5th Workshop on "e.-m. induced two-hadron emission", Lund, June 13-16, 2001

Scientific paper

A brief review is given concerning the status of the theoretical work on nucleon spectral functions. A recent concern about the validity of the concept of spectroscopic factors as deduced from (e,e'p) reactions at higher Q^2, is discussed in some detail. The consequences of the observed spectral strength are then considered in the context of nuclear saturation. It is argued that short-range correlations are mainly responsible for the actual value of the observed charge density in 208Pb and by extension for the empirical value of the saturation density of nuclear matter. This observation combined with the general understanding of the spectroscopic strength suggests that a renewed study of nuclear matter, emphasizing the self-consistent determination of the spectral strength due to short-range and tensor correlations, may shed light on the perennial nuclear saturation problem. First results using such a scheme are presented.

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