LIU Yingdu 1, 2 ZHANG Guoqiang 1, 2 WANG Hongwei 1 TIAN Wendong 1 1. Simulation of detection efficiency for a ~3He proportional counter and its sensitivity calibration[J]. Nuclear techniques, 2012, 35(3): 175-178.
LIU Yingdu 1, 2 ZHANG Guoqiang 1, 2 WANG Hongwei 1 TIAN Wendong 1 1. Simulation of detection efficiency for a ~3He proportional counter and its sensitivity calibration[J]. Nuclear techniques, 2012, 35(3): 175-178.DOI:
relationship between the thickness of a tube 3He proportional counter and its detection efficiency are studied by Monte Carlo simulation of monoenergetic neutron and Hess spectrum neutrons.A 5-cm thickness of the polyethylene modulator is thus determined.Finally
utilizing a 252Cf neutron source and the natural neutron background