2n Detector efficiency test

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This is a technique for efficiency test of the neutron detector used in the 2n correlation experiment. The neutron source was Cf-252 and fission trigger was made out of the NaI(Tl) detector with calibrated ADC and known spectrum of Cf-252 neutrons and photons.

File:Technique1.pdf

Final procedure with the CFD threshold adjusted.

File:Technique2.pdf