Energy calibration of He-3, He-4 Neutron Proportional Counters


Published: Feb 20, 2020
M. Manolopoulou
M. Fragopoulou
S. Stoulos
C. Koukorava
M. Zamani
Abstract

Two helium filled proportional counters (He-3, He-4) were irradiated with neu- trons in the energy range 0.025 eV - 10.7 MeV, in the Tandem accelerator, NCSR Demokritos, Athens. The full energy peak in He-3 proportional counter as well as the recoil peaks in He-3 and He-4 counters show linear dependence with neutron energy. A study of gamma ray contribution to the neutron spectra of He-4 counter was performed as a function of the pulse shaping time.

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