Light output of EJ228 scintillation neutron detectors
L Stevanato1, D Fabris, Xin Hao
1Dipartimento di Fisica dell'Università di Padova, Via Marzolo 8, I-35131 Padova, Italy. luca.stevanato@pd.infn.it
Abstract:
The light output of neutron detectors based on the plastic scintillator EJ228 is studied as a function of neutron energy using a time tagged (252)Cf source. Calibration of the light output scale is performed by fitting the experimental distribution of Compton scattering events of photons from a (22)Na source with a response function obtained by Gaussian smearing of the predicted line-shape. The light output curve as well as the pulse height resolution for the EJ228 scintillators is very close (within 5%) to those recently reported for NE213 type organic liquid scintillators.
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