Nuclear Structure Studies with the 7Li(e, ep) Reaction

Phys. Rev. Lett. 82, 4404 – Published 31 May 1999
L. Lapikás, J. Wesseling, and R. B. Wiringa


Experimental momentum distributions for the transitions to the ground state and first excited state of 6He have been measured via the reaction 7Li(e,ep)6He. They are compared to theoretical distributions calculated with variational Monte Carlo (VMC) wave functions which include strong state-dependent correlations in both 7Li and 6He. These VMC calculations provide a parameter-free prediction that reproduces the measured data, including its normalization. The deduced spectroscopic factor for the two transitions is 0.58±0.05, in perfect agreement with the VMC value of 0.60. This is the first successful comparison of experiment and ab initio theory for spectroscopic factors in p-shell nuclei.


  • Received 21 September 1998
  • Published in the issue dated 31 May 1999

© 1999 The American Physical Society

Authors & Affiliations

L. Lapikás1, J. Wesseling1, and R. B. Wiringa2

  • 1NIKHEF, P.O. Box 41882, 1009 DB Amsterdam, The Netherlands
  • 2Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

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