Short range correlations and the isospin dependence of nuclear correlation functions
Author(s)
Cruz Torres, Reynier; Schmidt, Axel; Miller, G.A.; Weinstein, L.B.; Barnea, N; Weiss, R; Piasetzky, E; Hen, Or; ... Show more Show less
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Pair densities and associated correlation functions provide a critical tool for introducing many-body correlations into a wide-range of effective theories. Ab initio calculations show that two-nucleon pair-densities exhibit strong spin and isospin dependence. However, such calculations are not available for all nuclei of current interest. We therefore provide a simple model, which involves combining the short and long separation distance behavior using a single blending function, to accurately describe the two-nucleon correlations inherent in existing ab initio calculations. We show that the salient features of the correlation function arise from the features of the two-body short-range nuclear interaction, and that the suppression of the pp and nn pair-densities caused by the Pauli principle is important. Our procedure for obtaining pair-density functions and correlation functions can be applied to heavy nuclei which lack ab initio calculations. ©2018 The Authors
Date issued
2018-08Department
Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Publisher
Elsevier BV
Citation
Cruz-Torres, R. et al., "Short range correlations and the isospin dependence of nuclear correlation functions." Physics Letters B 785 (October 2018): 304-308 doi. 10.1016/j.physletb.2018.07.069 ©2018 Authors
Version: Final published version
ISSN
1873-2445