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Appl Radiat Isot ; 184: 110189, 2022 Jun.
Article in English | MEDLINE | ID: mdl-35303630

ABSTRACT

The present work deals with a scintillation detector made of a LuYAP:Ce array coupled to a position-sensitive photo-multiplier tube, whose structure is well suitable for SPECT and PET, but also in nuclear physics, astrophysics, astroparticle physics, homeland security, and non-proliferation. The response was investigated under Co-57, Ba-133, Cs-137 gamma-ray irradiation, and with Lu-176 self-activity. The investigation, based on the 2-D charge-profiles spread, provides means for identifying and rejecting multiple-interactions in the crystal-array, like Lu X-ray escape photons, and Compton-scattered ones.


Subject(s)
Cesium Radioisotopes , Lutetium , Lutetium/chemistry , Monte Carlo Method , Photons , Positron-Emission Tomography/methods , Radioisotopes , Spectrum Analysis
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