Study of the (3He, t) charge transfer reaction as a surrogate for neutron energy between 10 to 20 MeV

  • M. S. Basunia
  • , R. M. Clark
  • , L. A. Bernstein
  • , B. F. Lyles
  • , J. T. Burke
  • , C. W. Beausang
  • , D. L. Bleuel
  • , B. Darakchieva
  • , F. S. Dietrich
  • , M. Evtimova
  • , P. Fallon
  • , J. Gibelin
  • , S. R. Lesher
  • , M. A. McMahan
  • , L. Phair
  • , E. Rodriguez-Vieitez
  • , M. Wiedeking

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have indirectly determined the 237Np(n,f) cross section over an equivalent neutron energy range from 10 to 20 MeV using the surrogate reaction 238U(3He,tf). A self-supporting -761 μg/cm2 metallic 238U foil was bombarded with a 42 MeV 3He2+ beam from the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory (LBNL). Outgoing charged particles and fission fragments were identified using the Silicon Telescope Array for Reaction Studies (STARS) consisted of two 140 μm and one 1000 μm Micron S2 type silicon detectors. These results were compared with the 237Np(n,f) cross section data from the direct measurements, the Evaluated Nuclear Data File (ENDF/B-VII.0), and the Japanese Evaluated Nuclear Data Library (JENDL 3.3) and found to closely follow those datasets. © 2008 American Institute of Physics.
Original languageEnglish
Title of host publication2007 International Workshop on Compound-Nuclear Reactions and Related Topics, CNR 2007
Volume1005
DOIs
StatePublished - 2008

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