Gamma Spectroscopy

High-Resolution Gamma Spectroscopy set-ups

Ge(Li) detector
Efficiency 23.8%, FWHM 1.97keV@1.33 MeV, Peak/Compton 47:1@1.33 MeV
In operation since 1977.
Coaxial pure HPGe detector
Efficiency 33.8%, FWHM 1.78keV@1.33 MeV, Peak/Compton 66.5:1@1.33 keV
In operation since 1981.
Low Energy Planar Germanium (LEGe) detector
Active area 2000 mm² FWHM 341eV@5.9 keV
In operation since 1988.
Extended Range Germanium (XtRa) detector
Efficiency 100%, FWHM 2.1keV@1.33MeV, 1.20keV@122keV.
Broad Energy Germanium (BEGe) detector
Portable Big MAC cryostat
In operation since 2003

1000 samples of lignite, fly ash, bottom ash and building materials analysed for natural radioactivity.
300 samples of foodstuff, rain and tap water analysed for fission product radioactivity from the Chernobyl fallout.
2000 1cm thick surface soil samples analysed for both fission product (Chernobyl fallout) and natural radioactivity.
300 air filters analysed for environmental monitoring purposes.