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Title: Microscopic predictions for the production of neutron-rich nuclei in the reaction Yb 176 + Yb 176

Abstract

Background: Production of neutron-rich nuclei is of vital importance to both understanding nuclear structure far from stability and to informing astrophysical models of the rapid neutron capture process (r-process). Multinucleon transfer (MNT) in heavy-ion collisions offers a possibility to produce neutron-rich nuclei far from stability. Purpose: The 176Yb + 176Yb reaction has been suggested as a potential candidate to explore the neutron-rich region surrounding the principal fragments. The current study has been conducted with the goal of providing guidance for future experiments wishing to study this (or similar) system. Methods: Time-dependent Hartree-Fock (TDHF) and its time-dependent random-phase approximation (TDRPA) extension are used to examine both scattering and MNT characteristics in 176Yb + 176Yb. TDRPA calculations are performed to compute fluctuations and correlations of the neutron and proton numbers, allowing for estimates of primary fragment production probabilities. Results: Both scattering results from TDHF and transfer results from the TDRPA are presented for different energies, orvientations, and impact parameters. In addition to fragment composition, scattering angles and total kinetic energies, as well as correlations between these observables are presented. Conclusions: 176Yb + 176Yb appears to be an interesting probe for the midmass neutron-rich region of the chart of nuclides. Lastly, the predictionsmore » of both TDHF and TDRPA are speculative, and will benefit from future experimental results to test the validity of this approach to studying MNT in heavy, symmetric collisions.« less

Authors:
 [1]; ORCiD logo [2]; ORCiD logo [1]
  1. Vanderbilt Univ., Nashville, TN (United States)
  2. Australian National Univ., Canberra, ACT (Australia)
Publication Date:
Research Org.:
Vanderbilt Univ., Nashville, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1602274
Alternate Identifier(s):
OSTI ID: 1602386
Grant/Contract Number:  
SC0013847
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 101; Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Godbey, K., Simenel, C., and Umar, A. S. Microscopic predictions for the production of neutron-rich nuclei in the reaction Yb176 + Yb176. United States: N. p., 2020. Web. doi:10.1103/PhysRevC.101.034602.
Godbey, K., Simenel, C., & Umar, A. S. Microscopic predictions for the production of neutron-rich nuclei in the reaction Yb176 + Yb176. United States. https://doi.org/10.1103/PhysRevC.101.034602
Godbey, K., Simenel, C., and Umar, A. S. Mon . "Microscopic predictions for the production of neutron-rich nuclei in the reaction Yb176 + Yb176". United States. https://doi.org/10.1103/PhysRevC.101.034602. https://www.osti.gov/servlets/purl/1602274.
@article{osti_1602274,
title = {Microscopic predictions for the production of neutron-rich nuclei in the reaction Yb176 + Yb176},
author = {Godbey, K. and Simenel, C. and Umar, A. S.},
abstractNote = {Background: Production of neutron-rich nuclei is of vital importance to both understanding nuclear structure far from stability and to informing astrophysical models of the rapid neutron capture process (r-process). Multinucleon transfer (MNT) in heavy-ion collisions offers a possibility to produce neutron-rich nuclei far from stability. Purpose: The 176Yb + 176Yb reaction has been suggested as a potential candidate to explore the neutron-rich region surrounding the principal fragments. The current study has been conducted with the goal of providing guidance for future experiments wishing to study this (or similar) system. Methods: Time-dependent Hartree-Fock (TDHF) and its time-dependent random-phase approximation (TDRPA) extension are used to examine both scattering and MNT characteristics in 176Yb + 176Yb. TDRPA calculations are performed to compute fluctuations and correlations of the neutron and proton numbers, allowing for estimates of primary fragment production probabilities. Results: Both scattering results from TDHF and transfer results from the TDRPA are presented for different energies, orvientations, and impact parameters. In addition to fragment composition, scattering angles and total kinetic energies, as well as correlations between these observables are presented. Conclusions: 176Yb + 176Yb appears to be an interesting probe for the midmass neutron-rich region of the chart of nuclides. Lastly, the predictions of both TDHF and TDRPA are speculative, and will benefit from future experimental results to test the validity of this approach to studying MNT in heavy, symmetric collisions.},
doi = {10.1103/PhysRevC.101.034602},
journal = {Physical Review C},
number = 3,
volume = 101,
place = {United States},
year = {Mon Mar 02 00:00:00 EST 2020},
month = {Mon Mar 02 00:00:00 EST 2020}
}

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