Mass dependence and isospin dependence of short-range correlated pairs

Abstract

The target-mass number dependence of nucleon-nucleon pairs with short-range correlations is explored in a physically transparent geometrical model within a zero-range approximation. The observed $A$ dependence of 2-nucleon ejection cross sections in $(e,e^{\prime })$ reactions is found to reflect the mass dependence of nuclear density distributions. A parametrization of this $A$ dependence is given. The $A$ dependence of proton-proton vs.\ proton-neutron pairs relative to ${}^{12}$C is also analyzed in this model. It can be understood using simple combinatorics without any additional isospin dependence.

Version as accepted for publication in Physical Review C

References in corpus (2)

• Probing Cold Dense Nuclear Matter
• Quantifying short-range correlations in nuclei

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