Simulation of a method for determining one-dimensional 137Cs distribution using multiple gamma spectroscopic measurements with an adjustable cylindrical collimator and center shield

Applied Radiation and Isotopes

Volumn 69, Issue 5, 2011, Pages 790-802

  Whetstone, Z D ^a   Dewey, S C ^a   Kearfott, K J ^a  

^a UNIVERSITY OF MICHIGAN   (United States)

Author keywords

Environmental measurements; Germanium; In situ gamma ray spectroscopy; Positional measurements; Radiation detection; Radionuclide distributions

Indexed keywords

ENVIRONMENTAL MEASUREMENTS; IN SITU GAMMA RAY SPECTROSCOPY; POSITIONAL MEASUREMENTS; RADIATION DETECTION; RADIONUCLIDE DISTRIBUTIONS;

CESIUM; CYLINDERS (SHAPES); DETECTORS; GAMMA RAY SPECTROMETERS; GERMANIUM; MEASUREMENTS; RADIOACTIVITY; RADIOISOTOPES;

GAMMA RAYS;

CESIUM 137;

ANALYTIC METHOD; ARTICLE; ARTIFACT REDUCTION; COLLIMATOR; CONTROLLED STUDY; GAMMA SPECTROMETRY; GEOMETRY; MATHEMATICAL ANALYSIS; MEASUREMENT ERROR; PRIORITY JOURNAL; PROCESS OPTIMIZATION; RADIATION DETECTOR; RADIATION DOSE DISTRIBUTION; RADIATION MEASUREMENT; RADIOACTIVITY;

EID: 79952314334     PISSN: 09698043     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.apradiso.2011.01.019     Document Type: Article

References (23)

1. Beck, H.L., De Campo, J., Gogolak, C., 1972. In situ Ge(Li) and Na(Tl) gamma ray spectrometry. Environmental Measurements Lab. US Department of Energy, HASL-258.
2. Benke R.R., Kearfott K.J. An improved in situ method for determining depth distributions of gamma-ray emitting radionuclides. Nuclear Instruments and Methods in Physics Research A 2001, 463:393-412.
3. Benke R.R., Kearfott K.J. Demonstration of a collimated in situ method for determining depth distributions using gamma-ray spectrometry. Nuclear Instruments and Methods in Physics Research A 2002, 482:814-831.
4. Canberra Industries, 2009. Data sheet: model S573 ISOCS V4.2 calibration software. Found at: 〈〉. http://www.canberra.com/pdf/Products/Systems_pdf/C37526-ISOCS-SS.pdf.
5. 137Cs deposit in soil under a clean protected layer. Applied Radiation and Isotopes 1997, 48(9):1265-1272.
6. Cutshall N.H., Larsen I.L. Calibration of a portable intrinsic Ge gamma ray detector using point sources and testing for field applications. Health Physics 1986, 51(1):53-59.
7. Dewey S.C., Whetstone Z.D., Kearfott K.J. A numerical method for the calibration of in-situ gamma ray spectroscopy systems. Health Physics 2010, 98(5):657-671.
8. Department of Energy Environmental Measurements Lab Procedures Manual 1997, Environmental Measurements Laboratory. 28th ed.
9. Eckerman, K.F., Ryman, J.C., 1993. External exposure to radionuclides in air, water, and soil. Environmental Protection Agency. Federal Guidance Report 12, EPA-402-R-93-081.
10. Gander W., Gautschi W. Adaptive quadrature-revisited. Bit Numerical Mathematics 2000, 40:84-101.
11. 137Cs inventories in a small basin in Central Russia. Journal of Environmental Radioactivity 2000, 48(1):79-94.
12. Heath M.T. Scientific Computing-an Introductory Survey 2002, McGraw-Hill, New York, NY.
13. Helfer I.K., Miller K.M. Calibration factors for Ge detectors ssed for field spectrometry. Health Physics 1988, 55(1):15-29.
14. Karlberg, O., 1990. In situ gamma spectrometry of the Chernobyl fallout on urban and rural surfaces. Nykoping, Sweden, Studsvik Nuclear, Report Studsvik/NP-89/109.
15. Kearfott K.J., Han S., McMahan K.L., Samei E. Sensitivity of a mixed field dosimetry algorithm to uncertainties in thermoluminescent element readings. Health Physics 1995, 68(3):340-349.
16. Korun M., Likar A., Lipoglavšek M., Martinčič R., Pucelj B. In situ measurement of Cs distribution in the soil. Nuclear Instruments and Methods in Physics Research B 1994, 93:485-491.
17. McKeeman W.M. Algorithm 145: adaptive numerical integration by Simpson's Rule. Communications of the ACM 1962, 5(12):604.
18. 137Cs in cultivated soils. Radiation Data and Reports 1973, 14:727-728.
19. Rybacek K., Jacob P., Meckbach R. In situ determination of deposited radionuclide activities: improved method using derived depth distributions from the measured photon spectra. Health Physics 1992, 62(6):519-528.
20. Sowa W., Martini E., Gehrcke K., Marschner P., Naziry M.J. Uncertainties of in situ gamma spectrometry for environmental monitoring. Radiation Protection Dosimetry 1989, 27:93-101.
21. Trefethen L.N., Bau D. Numerical Linear Algebra 1997, Society for Industrial and Applied Mathematics, Philadelphia, PA.
22. Tyler A.N. Monitoring anthropogenic radioactivity in salt marsh environments through in situ gamma-ray spectrometry. Journal of Environmental Radioactivity 1999, 45(3):235-252.
23. Zombori, P., Andrasi, A., Nemeth, I., 1992. A new method for the determination of radionuclide distribution in the soil by gamma-ray spectroscopy. KFKI-1992-20/K. Budapest Hungary, Central Research Institute for Physics, Institute for Atomic Energy Research.