Full energy peak efficiency calibration of HPGe detector for point and extended sources using Monte Carlo code

Chhavi Agarwal; Sanhita Chaudhury; A. Goswami; M. Gathibandhe

doi:10.1007/s10967-010-0820-1

Full energy peak efficiency calibration of HPGe detector for point and extended sources using Monte Carlo code

Chhavi Agarwal, Sanhita Chaudhury, A. Goswami, M. Gathibandhe

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

Monte Carlo simulation is important to get efficiencies for cases where the experimental efficiencies are difficult to get such as for samples with nonstandard geometries and for large samples. In this paper, efficiency of the HPGe detector, routinely used in our lab for a variety of samples, has been computed for point source geometry and its parameters has been optimized to match MCNP and experimental efficiencies within 5% at different sample to detector distances. This optimized geometry was then validated by efficiency transfer to other geometries.

Original language	English
Pages (from-to)	701-708
Number of pages	8
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	287
Issue number	3
DOIs	https://doi.org/10.1007/s10967-010-0820-1
State	Published - 1 Mar 2011
Externally published	Yes

Keywords

Detector geometry optimization
Full energy peak efficiency
Monte Carlo simulation

ASJC Scopus subject areas

Analytical Chemistry
Nuclear Energy and Engineering
Radiology Nuclear Medicine and imaging
Pollution
Spectroscopy
Public Health, Environmental and Occupational Health
Health, Toxicology and Mutagenesis

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10.1007/s10967-010-0820-1

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AU - Chaudhury, Sanhita

AU - Goswami, A.

AU - Gathibandhe, M.

PY - 2011/3/1

Y1 - 2011/3/1

N2 - Monte Carlo simulation is important to get efficiencies for cases where the experimental efficiencies are difficult to get such as for samples with nonstandard geometries and for large samples. In this paper, efficiency of the HPGe detector, routinely used in our lab for a variety of samples, has been computed for point source geometry and its parameters has been optimized to match MCNP and experimental efficiencies within 5% at different sample to detector distances. This optimized geometry was then validated by efficiency transfer to other geometries.

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Full energy peak efficiency calibration of HPGe detector for point and extended sources using Monte Carlo code

Abstract

Keywords

ASJC Scopus subject areas

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