Testing of 6Li Glass Scintillator for Detection of Fission Neutrons Below 1 MeV
C. Haight, Robert
6Li glass scintillator detectors are being tested and integrated into the Chi-Nu apparatus at LANSCE/WNR. Chi-Nu is an array of neutron detectors used for detecting neutrons in neutron-induced fission experiments. 6Li glass scintillators have better detection efficiency in the neutron-energy range below 1MeV than currently used EJ301 liquid scintillators. Various reflectors are being tested to determine which optimizes the performance by increasing detected scintillation light. Increasing the thickness of the scintillator is also being studied to optimize detection efficiency at 1MeV. Calibrations using several sources verify the expected detection peak at 4.8MeV.
LANSCE NS Student Poster Session, Los Alamos National Laboratory, Los Alamos, NM., July 27, 2010. Symposium 2010 “Championing Scientific Careers,” University of New Mexico-Los Alamos, August 3, 4, 2010.
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