Scheme of triple coincidence positron lifetime spectrometer
A detailed description of spectrometer:
J. Čížek, F. Bečvář, I. Procházka: "Three-Detector
Setup for Positron-Lifetime Spectroscopy of Solids Containing 60Co
Radionuclide", Nuclear Instruments and
Methods in Physics A 450,
325-338 (2000).
Our triple coincidence positron lifetime spectrometer was successfully employed for characterization of neutron-irradiated reactor-pressure-vessel steels which contain 60Co radioisotope. Obtained result can be found in the following paper: