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The neutron transmission for different thickness of tungsten plates for 2.8 MeV neutrons was measured with TOF technique using the d-D reaction neutron source at the 600 kV Cococroft-Walton accelerator at CIAE. The sensitivity for distinguishing the thickness of the tungsten plate was determined with this method. The tungsten plate was put at the beam direction and 1.7 m from the neutron source, and
The neutron transmission for different thickness of tungsten plates for 2.8 MeV neutrons was measured with TOF technique using the dD reaction neutron source at the 600 kV Cococr-Walton accelerator at CIAE. The sensitivity for distinguishing the thickness of the tungsten plate was determined with this method The tungsten plate was put at the beam direction and 1.7 m from the neutron source, and