Test of a BaF2-TMAE Detector for Positron-Emission Tomography

A solid-state proportional counter, consisting of the BaF2-TMAE combination, has been tested for the detection of 511 keV annihilation gamma-rays in a PET system. Energy, time, and position resolutions are given for 1 cm wide BaF2 crystals, using different temperatures and gases at low pressures.