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

Abstract

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. Ourmore » 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.« less

Authors:
 [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)
Publication Date:
Research Org.:
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 Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1342059
Alternate Identifier(s):
OSTI ID: 1252350
Report Number(s):
LLNL-JRNL-682741
Journal ID: ISSN 2469-9985; PRVCAN
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 93; Journal Issue: 5; Journal ID: ISSN 2469-9985
Publisher:
APS
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Raimondi, Francesco, Hupin, Guillaume, Navratil, Petr, and Quaglioni, Sofia. Deuteron-induced nucleon transfer reactions within an ab initio framework: First application to p-shell nuclei. United States: N. p., 2016. Web. doi:10.1103/PhysRevC.93.054606.
Raimondi, Francesco, Hupin, Guillaume, Navratil, Petr, & Quaglioni, Sofia. Deuteron-induced nucleon transfer reactions within an ab initio framework: First application to p-shell nuclei. United States. https://doi.org/10.1103/PhysRevC.93.054606
Raimondi, Francesco, Hupin, Guillaume, Navratil, Petr, and Quaglioni, Sofia. Tue . "Deuteron-induced nucleon transfer reactions within an ab initio framework: First application to p-shell nuclei". United States. https://doi.org/10.1103/PhysRevC.93.054606. https://www.osti.gov/servlets/purl/1342059.
@article{osti_1342059,
title = {Deuteron-induced nucleon transfer reactions within an ab initio framework: First application to p-shell nuclei},
author = {Raimondi, Francesco and Hupin, Guillaume and Navratil, Petr and Quaglioni, Sofia},
abstractNote = {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.},
doi = {10.1103/PhysRevC.93.054606},
journal = {Physical Review C},
number = 5,
volume = 93,
place = {United States},
year = {Tue May 10 00:00:00 EDT 2016},
month = {Tue May 10 00:00:00 EDT 2016}
}

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Cited by: 23 works
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Works referencing / citing this record:

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Toward a complete theory for predicting inclusive deuteron breakup away from stability
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Microscopic Clustering in Light Nuclei
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