Small inorganic scintillators as neutron detectors | Zendy

C.M. Bartle | Zendy; R. C. Haight | Zendy

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Small inorganic scintillators as neutron detectors

Author(s) -

C.M. Bartle,

R. C. Haight

Publication year - 1998

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/677132

Subject(s) - scintillator , neutron , neutron detection , neutron temperature , physics , neutron source , range (aeronautics) , spallation , nuclear physics , neutron cross section , detector , materials science , optics , composite material

Small organic scintillators that exhibit pulse shape differences (PSD) in response to charged particles have been investigated as possible neutron detectors in the energy range from 1 to 200 MeV. Neutrons in this energy range can induce reactions such as (n,p) and (n,alpha) in these scintillators, and the cross sections for these reactions vary with energy. Pulse-height and PSD distributions were measured as a function of neutron energy for small crystals of NaI(Tl) and CsI(Tl) at the LANSCE-WNR pulsed spallation neutron source. PSD information indicating the relative numbers of protons and alphas produced can give information about the neutron spectrum in fast-neutron radiation fields such as those encountered in space exploration

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