A novel method to estimate the dead layer of HPGe detector for Monte Carlo FEPE computation

Satti, Khizar Hayat; Siddique, Muhammad Tariq; Dilband, Muhammad; Rehman, Shakeel Ur; Mansoor, Shahid; Malik, Azhar Hussain

doi:10.1016/j.apradiso.2023.111067

Applied Radiation and Isotopes

2023

DOI: 10.1016/j.apradiso.2023.111067

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A novel method to estimate the dead layer of HPGe detector for Monte Carlo FEPE computation

Khizar Hayat Satti,

Muhammad Tariq Siddique,

Muhammad Dilband

et al.

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2024

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Cited by 3 publications

References 25 publications

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Bayesian optimization of a collimated HPGe detector model for Segmented Gamma Scanning

Casas-Molina,

Laloy,

Rogiers

et al. 2024

Nuclear Instruments and Methods in Physics Research Section A:

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Bayesian optimization of a collimated HPGe detector model for Segmented Gamma Scanning

Casas-Molina,

Laloy,

Rogiers

et al. 2024

Nuclear Instruments and Methods in Physics Research Section A:

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A novel method for the efficiency calibration of in situ gamma spectrometry systems

Satti,

Siddique,

Rehman

et al. 2024

Radiation Physics and Chemistry

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Modeling of N and P-Type of Coaxial Ge Detectors Using MCNPX and the Effect of Dead Layer Variation on Its Response Function

El-Tayebany,

Ali,

Mohmed

et al. 2024

Journal of Nuclear Engineering and Radiation Science

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This study assessed the response function of a p-type and n-type coaxial high-purity germanium (HPGe) detector via Monte Carlo simulations. MCNPX was employed to model the Coaxial Ge detectors, and for a precise simulation, the dimensions of the dead layer of germanium crystals were added. The dead layer was separated into front and lateral surfaces, and the thickness of each dead layer was modeled. In this work, the simulated detectors have been performed at different energy lines using a radioactive source Eu-152 to study the response function of each with dead layer variations for the front dead layer and study the range of relative deviation of the Monte Carlo simulation outputs from the manufactured declared data. The results proved that the n-type coaxial high-purity germanium (HPGe) detector is more sensitive to the dead layer change than p-type with a thick change by 0.02 mm. This research has significant effects on the efficiencies of the radiation detection systems in the energy range ~ (120-1410) KeV.

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A novel method to estimate the dead layer of HPGe detector for Monte Carlo FEPE computation

Cited by 3 publications

References 25 publications

Bayesian optimization of a collimated HPGe detector model for Segmented Gamma Scanning

Bayesian optimization of a collimated HPGe detector model for Segmented Gamma Scanning

A novel method for the efficiency calibration of in situ gamma spectrometry systems

Modeling of N and P-Type of Coaxial Ge Detectors Using MCNPX and the Effect of Dead Layer Variation on Its Response Function

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