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Updated: Aug 17, 2026

Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh
Published on: May 3, 2019
Development of a low-energy monoenergetic neutron source for applications in low-dose radiobiological and
Aslam1, W V Prestwich, F E McNeill
1Medical Physics and Applied Radiation Sciences Unit, McMaster University, Nuclear Research Building, Hamilton, Ont., Canada L8S 4K1. aslam@mcmaster.ca
Abstract:
The McMaster University 3 MV KN Van de Graff accelerator facility primarily dedicated to in vivo neutron activation measurements has been used to produce moderate dose rates of monoenergetic fast neutrons of energy ranging from 150 to 600 keV with a small energy spread of about 25 keV (1sigma width of Gaussian) by bombarding thin lithium targets with 2.00-2.40 MeV protons. The calculated dose rate of the monoenergetic neutrons produced using thin lithium targets as functions of beam energy, target thickness, lab angle relative to beam direction, and the solid angle subtended by the sample with the target has also been reported.
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