One-body density matrix and momentum distribution in s-p and s-d shell nuclei
Abstract
Analytical expressions of the one- and two- body terms in the cluster expansion of the one-body density matrix and momentum distribution of the s-p and s-d shell nuclei with Ν — Ζ are derived. They depend on the harmonic oscillator parameter b and the parameter β which originates from the Jastrow correlation function. These parameters have been determined .by least squares fit to the experimental charge form factors. The inclusion of short-range correlations increases the high momentum component of the momentum distribution, 7i(k) for all nuclei we have considered while there is an A dependence of ra(k) both at small values of k and the high momentum component. The A dependence of the high momentum com- . ponent of n(k) becomes quite small when the nuclei 24Mg, 28Si and 32S are treated as ld-2s shell nuclei having the occupation probability of the 2s-state as an extra free parameter in the fit to the form factors
Article Details
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Moustakidis, C. C., & Massen, S. E. (2019). One-body density matrix and momentum distribution in s-p and s-d shell nuclei. HNPS Advances in Nuclear Physics, 11. https://doi.org/10.12681/hnps.2199
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- Oral contributions
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