The dependence of Ge detectors efficiency on the density of the samples in gamma-ray spectrometry
Zavisnost efikasnosti germanijumskih detektora od gustine uzoraka u spektrometriji gama zračenja
Апстракт
The effect of the density of environmental samples on the counting efficiency of Ge detectors used in gamma-spectrometry was studied. The dependence εff(ρ) was determined for two HPGe detectors (relative efficiencies 18% and 20%) using five radioactive standard reference materials (silicone resins, epoxy resin, milk powder, soil) with different matrix densities (0.45-1.22 g/cm3) in Marinelli beakers (V = 500 cm3). The dependence of efficiency vs. density was found to be linear and the regression parameters for energies in the range of 60-2000 keV were determined, too. The effect of variation in density on the counting efficiency of Ge detectors is dominant in the range of lower energies (60-600 keV) and de creases with energies in the higher energy range.
Ispitivan je uticaj gustine uzoraka iz životne sredine na efikasnost brojanja germanijumskih detektora u spektrometriji gama zračenja. Zavisnost εff(ρ) određena je za dva HPGe detektora (relativnih efikasnosti 18% i 20%) za različite radioaktivne standardne referentne materijale (silikonske smole epoksi smolu, mleko u prahu, zemlju) različitih gustina (0,45-1,22 g/cm3) u Marineli posudama zapremine V = 500 cm3. Utvrđena je linearna zavisnost efikasnosti brojanja od gustine uzoraka pri čemu su određeni parametri linearne regresije za niz energija iz intervala od 60-2000 keV. Efekt promene gustina na efikasnost brojanja germanijumskih detektora dominantan je u intervalu nižih energija (60-600 keV) i smanjuje se sa porastom energije u intervalu viših energija.
Кључне речи:
gamma-spectrometry / counting efficiency / environmental samples / Ge detector / gama spektrometrija / efikasnost brojanja / uzorci okoline / germanijumskijdetektorИзвор:
Nuclear Technology and Radiation Protection, 2007, 22, 2, 58-63Издавач:
- Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd
Институција/група
Poljoprivredni fakultetTY - JOUR AU - Vukašinović, Ivana AU - Todorović, Dragana AU - Popović, Dragana R. PY - 2007 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/1492 AB - The effect of the density of environmental samples on the counting efficiency of Ge detectors used in gamma-spectrometry was studied. The dependence εff(ρ) was determined for two HPGe detectors (relative efficiencies 18% and 20%) using five radioactive standard reference materials (silicone resins, epoxy resin, milk powder, soil) with different matrix densities (0.45-1.22 g/cm3) in Marinelli beakers (V = 500 cm3). The dependence of efficiency vs. density was found to be linear and the regression parameters for energies in the range of 60-2000 keV were determined, too. The effect of variation in density on the counting efficiency of Ge detectors is dominant in the range of lower energies (60-600 keV) and de creases with energies in the higher energy range. AB - Ispitivan je uticaj gustine uzoraka iz životne sredine na efikasnost brojanja germanijumskih detektora u spektrometriji gama zračenja. Zavisnost εff(ρ) određena je za dva HPGe detektora (relativnih efikasnosti 18% i 20%) za različite radioaktivne standardne referentne materijale (silikonske smole epoksi smolu, mleko u prahu, zemlju) različitih gustina (0,45-1,22 g/cm3) u Marineli posudama zapremine V = 500 cm3. Utvrđena je linearna zavisnost efikasnosti brojanja od gustine uzoraka pri čemu su određeni parametri linearne regresije za niz energija iz intervala od 60-2000 keV. Efekt promene gustina na efikasnost brojanja germanijumskih detektora dominantan je u intervalu nižih energija (60-600 keV) i smanjuje se sa porastom energije u intervalu viših energija. PB - Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd T2 - Nuclear Technology and Radiation Protection T1 - The dependence of Ge detectors efficiency on the density of the samples in gamma-ray spectrometry T1 - Zavisnost efikasnosti germanijumskih detektora od gustine uzoraka u spektrometriji gama zračenja EP - 63 IS - 2 SP - 58 VL - 22 UR - https://hdl.handle.net/21.15107/rcub_agrospace_1492 ER -
@article{ author = "Vukašinović, Ivana and Todorović, Dragana and Popović, Dragana R.", year = "2007", abstract = "The effect of the density of environmental samples on the counting efficiency of Ge detectors used in gamma-spectrometry was studied. The dependence εff(ρ) was determined for two HPGe detectors (relative efficiencies 18% and 20%) using five radioactive standard reference materials (silicone resins, epoxy resin, milk powder, soil) with different matrix densities (0.45-1.22 g/cm3) in Marinelli beakers (V = 500 cm3). The dependence of efficiency vs. density was found to be linear and the regression parameters for energies in the range of 60-2000 keV were determined, too. The effect of variation in density on the counting efficiency of Ge detectors is dominant in the range of lower energies (60-600 keV) and de creases with energies in the higher energy range., Ispitivan je uticaj gustine uzoraka iz životne sredine na efikasnost brojanja germanijumskih detektora u spektrometriji gama zračenja. Zavisnost εff(ρ) određena je za dva HPGe detektora (relativnih efikasnosti 18% i 20%) za različite radioaktivne standardne referentne materijale (silikonske smole epoksi smolu, mleko u prahu, zemlju) različitih gustina (0,45-1,22 g/cm3) u Marineli posudama zapremine V = 500 cm3. Utvrđena je linearna zavisnost efikasnosti brojanja od gustine uzoraka pri čemu su određeni parametri linearne regresije za niz energija iz intervala od 60-2000 keV. Efekt promene gustina na efikasnost brojanja germanijumskih detektora dominantan je u intervalu nižih energija (60-600 keV) i smanjuje se sa porastom energije u intervalu viših energija.", publisher = "Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd", journal = "Nuclear Technology and Radiation Protection", title = "The dependence of Ge detectors efficiency on the density of the samples in gamma-ray spectrometry, Zavisnost efikasnosti germanijumskih detektora od gustine uzoraka u spektrometriji gama zračenja", pages = "63-58", number = "2", volume = "22", url = "https://hdl.handle.net/21.15107/rcub_agrospace_1492" }
Vukašinović, I., Todorović, D.,& Popović, D. R.. (2007). The dependence of Ge detectors efficiency on the density of the samples in gamma-ray spectrometry. in Nuclear Technology and Radiation Protection Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd., 22(2), 58-63. https://hdl.handle.net/21.15107/rcub_agrospace_1492
Vukašinović I, Todorović D, Popović DR. The dependence of Ge detectors efficiency on the density of the samples in gamma-ray spectrometry. in Nuclear Technology and Radiation Protection. 2007;22(2):58-63. https://hdl.handle.net/21.15107/rcub_agrospace_1492 .
Vukašinović, Ivana, Todorović, Dragana, Popović, Dragana R., "The dependence of Ge detectors efficiency on the density of the samples in gamma-ray spectrometry" in Nuclear Technology and Radiation Protection, 22, no. 2 (2007):58-63, https://hdl.handle.net/21.15107/rcub_agrospace_1492 .