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Title: Deuteron-induced nucleon transfer reactions within an ab initio framework: First application to p -shell nuclei

Journal Article · · Physical Review C
 [1];  [2];  [3];  [4]
  1. TRIUMF, Vancouver, BC (Canada); Univ. of Surrey, Guildford (United Kingdom)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. Paris-Sud, Orsay Cedex (France); CEA, DAM, DIF, Arpajon (France)
  3. TRIUMF, Vancouver, BC (Canada)
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Low-energy transfer reactions in which a proton is stripped from a deuteron projectile and dropped into a target play a crucial role in the formation of nuclei in both primordial and stellar nucleosynthesis, as well as in the study of exotic nuclei using radioactive beam facilities and inverse kinematics. Here, ab initio approaches have been successfully applied to describe the 3H(d,n)4He and 3He(d,p)4He fusion processes. An ab initio treatment of transfer reactions would also be desirable for heavier targets. In this work, we extend the ab initio description of (d,p) reactions to processes with light p-shell nuclei. As a first application, we study the elastic scattering of deuterium on 7Li and the 7Li(d,p)8Li transfer reaction based on a two-body Hamiltonian. We use the no-core shell model to compute the wave functions of the nuclei involved in the reaction, and describe the dynamics between targets and projectiles with the help of microscopic-cluster states in the spirit of the resonating group method. The shapes of the excitation functions for deuterons impinging on 7Li are qualitatively reproduced up to the deuteron breakup energy. The interplay between d–7Li and p–8Li particle-decay channels determines some features of the 9Be spectrum above the d+7Li threshold. Our prediction for the parity of the 17.298 MeV resonance is at odds with the experimental assignment. Deuteron stripping reactions with p-shell targets can now be computed ab initio, but calculations are very demanding. Finally, a quantitative description of the 7Li(d,p)8Li reaction will require further work to include the effect of three-nucleon forces and additional decay channels and to improve the convergence rate of our calculations.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1342059
Alternate ID(s):
OSTI ID: 1252350
Report Number(s):
LLNL-JRNL-682741; PRVCAN
Journal Information:
Physical Review C, Vol. 93, Issue 5; ISSN 2469-9985
Publisher:
APSCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

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Cited By (3)

Nucleon transfer reactions with radioactive beams journal February 2018
Toward a complete theory for predicting inclusive deuteron breakup away from stability journal September 2017
Microscopic Clustering in Light Nuclei text January 2017

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