Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session R14: Theoretical Aspects of Nuclear Structure
1:30 PM–3:18 PM,
Monday, April 15, 2019
Sheraton
Room: Plaza Court 3
Sponsoring
Unit:
DNP
Chair: Maxime Brodeur, University of Notre Dame
Abstract: R14.00004 : Dispersive optical model calculations for neutron rich nuclei *
2:06 PM–2:18 PM
View Presentation Abstract
Presenter:
Natalia Calleya
(Washington University in St. Louis)
Authors:
Natalia Calleya
(Washington University in St. Louis)
Mackenzie C. Atkinson
(Washington University in St. Louis)
Willem H. Dickhoff
(Washington University in St. Louis)
Nuclear structure and nuclear reactions represent different energy domains, and it is clear that the two are correlated as nuclear scattering cannot be fully understood without a precise description of the nucleus itself.
A consistent approach, presented in this work as the dispersive optical model (DOM), was employed to describe nuclear properties above and below the Fermi energy. Using experimental data and structure information available to constrain the parameters, it has been successfully implemented for 40Ca and 48Ca.
Recently, the DOM was used to extrapolate calculations to heavier Ca isotopes, to clarify how nuclear properties evolve as one goes from stability to the drip lines. Preliminary results show agreement with expected trends and encourage further predictions for neutron rich nuclei.
Also, an analysis of pertinent ground state properties was carried out to investigate asymmetry effects on nucleon densities, generating an alternative energy density profile consistent with rms radii data and particle numbers.
*This work was partially supported by the U.S. National Science Foundation under grant PHY-1613362.
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