Contamination in LaCl3:Ce Scintillators | Zendy

B. D. Milbrath | Zendy; Justin I. McIntyre | Zendy; Robert C. Runkle | Zendy; Leon E. Smith | Zendy

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Contamination in LaCl3:Ce Scintillators

Author(s) -

B. D. Milbrath,

Justin I. McIntyre,

Robert C. Runkle,

Leon E. Smith

Publication year - 2005

Language(s) - English

Resource type - Reports

DOI - 10.2172/881704

Subject(s) - scintillator , lanthanum , contamination , radiochemistry , crystal (programming language) , radioactive contamination , neutron activation analysis , materials science , physics , mineralogy , chemistry , nuclear physics , radionuclide , optics , biology , ecology , detector , computer science , programming language

The gamma-, beta-, and x-ray-contamination in LaCl3:Ce scintillators due to the presence of the naturally occurring radioisotope La-138 is discussed. As the size of lanthanum halide crystals grows towards commercially useful sizes, and the effects of alpha-contamination due to Ac-227 has been substantially reduced, the effects of La-138 in background and low-count spectra become more problematic. The crystal's performance in high neutron fluxes is also examined

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