Systematic study of p-shell nuclei via single-nucleon knockout reactions

Phys. Rev. C 86, 024315 – Published 29 August 2012
G. F. Grinyer, D. Bazin, A. Gade, J. A. Tostevin, P. Adrich, M. D. Bowen, B. A. Brown, C. M. Campbell, J. M. Cook, T. Glasmacher, S. McDaniel, A. Obertelli, K. Siwek, J. R. Terry, D. Weisshaar, and R. B. Wiringa


A systematic investigation of the inclusive cross sections for single-nucleon knockout reactions from p-shell nuclei has been performed. A total of seven reactions were studied for projectiles with masses between A=7 and 10, having a wide range of nucleon separation energies. Results were obtained for a range of incident beam energies and targets. These differences were found to have a minimal impact on the deduced cross sections. Experimental results were compared to theoretical predictions based on variational Monte Carlo (VMC) nuclear structure calculations, whose radial overlap functions and neutron and proton densities were included in the reaction description. These results are compared with the conventional model, developed for heavier nuclei, that uses shell-model and Hartree-Fock structure inputs. The VMC-based calculations agreed with the experimental data for several reactions where deeply bound nucleons are removed but does not describe some of the more weakly bound nucleon removal cases with comparable accuracy.


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  • Received 13 June 2012
  • Published 29 August 2012

©2012 American Physical Society

Authors & Affiliations

G. F. Grinyer1,2,*, D. Bazin2, A. Gade2,3, J. A. Tostevin2,4, P. Adrich2, M. D. Bowen2,3, B. A. Brown2,3, C. M. Campbell2,3, J. M. Cook2,3, T. Glasmacher2,3, S. McDaniel2,3, A. Obertelli2,†, K. Siwek2,3, J. R. Terry2,3, D. Weisshaar2, and R. B. Wiringa5

  • 1Grand Accélérateur National d’Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
  • 2National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
  • 3Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
  • 4Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
  • 5Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA

  • *
  • Present Address: CEA, Centre de Saclay, IRFU/Service de Physique Nucléaire, F-91191 Gif-sur-Yvette, France.

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