Empirical formula for the HPGe-detector efficiency dependence on energy and distance

Empirical formula for the HPGe-detector efficiency dependence on energy and distance

The full-energy-peak efficiency calibration for a HPGe detector has been constructed in the γ -ray energy range from E γ  = 50–1500 keV, using 8 standard point sources of gamma radiation, namely Na-22, Co-57, Co-60, Cd-109, Ba-133, Cs-137, Eu-152, Am-241. The measuring system equipped with sample ho...

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Veröffentlicht in:Journal of radioanalytical and nuclear chemistry 2019-03, Vol.319 (3), p.1315-1319
Hauptverfasser: Pylypchynets, I., Lengyel, A., Parlag, O., Maslyuk, V., Potoki, I.
Format: Artikel
Sprache:eng
Schlagworte:
Analysis
Chemistry
Chemistry and Materials Science
Computing time
Dependence
Detectors
Diagnostic Radiology
Efficiency
Gamma rays
Hadrons
Heavy Ions
Inorganic Chemistry
Measuring instruments
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Point sources
Power efficiency
Radiation, Background
Sample holders
Sensors
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Beschreibung
Zusammenfassung:The full-energy-peak efficiency calibration for a HPGe detector has been constructed in the γ -ray energy range from E γ  = 50–1500 keV, using 8 standard point sources of gamma radiation, namely Na-22, Co-57, Co-60, Cd-109, Ba-133, Cs-137, Eu-152, Am-241. The measuring system equipped with sample holder to investigate the source-to-detector distance ( x ) dependence for 5–24.5 cm range. The universal empirical formula was proposed to calculate the detector efficiency depending on energy E γ and distance ( x ). The formula was tested for several measurements and broadened energy rage up to 3 MeV.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-019-06426-8