Tagging fast neutrons from an 241Am/9Be source
  We report on an investigation of the fast-neutron spectrum emitted by 241Am/9Be. Well-understood shielding, coincidence, and time-of-flight measurement techniques are employed to produce a continuous, polychromatic, energy-tagged neutron beam. 
J. Scherzinger and J.R.M. Annand and G. Davatz and K.G. Fissum and U.   Gendotti and R. Hall-Wilton and A. Rosborg and E. H{...
physics.ins-det nucl-ex