Home > Research > Publications & Outputs > Localising and identifying radionuclides via en...

Research

Associated organisational units

Links

Text available via DOI:

Keywords

View graph of relations

Localising and identifying radionuclides via energy-resolved angular photon responses

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Localising and identifying radionuclides via energy-resolved angular photon responses. / Tsitsimpelis, I.; Alton, T.; West, A. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 1057, 168771, 31.12.2023.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Tsitsimpelis, I, Alton, T, West, A, Taylor, CJ, Lennox, B, Livens, FR & Joyce, MJ 2023, 'Localising and identifying radionuclides via energy-resolved angular photon responses', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 1057, 168771. https://doi.org/10.1016/j.nima.2023.168771

APA

Tsitsimpelis, I., Alton, T., West, A., Taylor, C. J., Lennox, B., Livens, F. R., & Joyce, M. J. (2023). Localising and identifying radionuclides via energy-resolved angular photon responses. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1057, Article 168771. https://doi.org/10.1016/j.nima.2023.168771

Vancouver

Tsitsimpelis I, Alton T, West A, Taylor CJ, Lennox B, Livens FR et al. Localising and identifying radionuclides via energy-resolved angular photon responses. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2023 Dec 31;1057:168771. Epub 2023 Oct 20. doi: 10.1016/j.nima.2023.168771

Author

Tsitsimpelis, I. ; Alton, T. ; West, A. et al. / Localising and identifying radionuclides via energy-resolved angular photon responses. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2023 ; Vol. 1057.

Bibtex

@article{70d1758535eb42b5bf0470bc6c27e32f,
title = "Localising and identifying radionuclides via energy-resolved angular photon responses",
abstract = "A technique for the in-situ localisation of radioactivity is described whereby the energy-resolved angular photon response of a collimated inorganic scintillation detector is used to derive the spatial arrangement of a variety of radioactive source configurations. The influence of photon radiation (X- and γ ray) incident on the collimated detector is expressed mathematically, by way of a sinc transform embedded to a dynamic linear regression model, to increase the spatial accuracy of the localisation. This approach is tested experimentally with two pairs of like radionuclides, two pairs of different combinations of radionuclides and three different radionuclides to demonstrate its combined isotopic discrimination and spatial localisation capabilities. A fit based on the model referred to above is observed to reproduce the data for the combined X- and γ-ray regions of interest effectively. This allows for increased resolution via interpolation between the data which is observed to improve location accuracy significantly. This research is relevant to applications in autonomous robotic exploration tasks and for the characterisation of contaminated environments associated with nuclear legacies and radiological emergencies. ",
keywords = "Gamma rays, Photons, Radioactivity, Regression analysis, Dynamic linear, Energy, Inorganics, Linear regression modelling, Localisation, Photon radiation, Photon response, Radioactive sources, Spatial accuracy, Spatial arrangements, Radioisotopes",
author = "I. Tsitsimpelis and T. Alton and A. West and C.J. Taylor and B. Lennox and F.R. Livens and M.J. Joyce",
year = "2023",
month = dec,
day = "31",
doi = "10.1016/j.nima.2023.168771",
language = "English",
volume = "1057",
journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Localising and identifying radionuclides via energy-resolved angular photon responses

AU - Tsitsimpelis, I.

AU - Alton, T.

AU - West, A.

AU - Taylor, C.J.

AU - Lennox, B.

AU - Livens, F.R.

AU - Joyce, M.J.

PY - 2023/12/31

Y1 - 2023/12/31

N2 - A technique for the in-situ localisation of radioactivity is described whereby the energy-resolved angular photon response of a collimated inorganic scintillation detector is used to derive the spatial arrangement of a variety of radioactive source configurations. The influence of photon radiation (X- and γ ray) incident on the collimated detector is expressed mathematically, by way of a sinc transform embedded to a dynamic linear regression model, to increase the spatial accuracy of the localisation. This approach is tested experimentally with two pairs of like radionuclides, two pairs of different combinations of radionuclides and three different radionuclides to demonstrate its combined isotopic discrimination and spatial localisation capabilities. A fit based on the model referred to above is observed to reproduce the data for the combined X- and γ-ray regions of interest effectively. This allows for increased resolution via interpolation between the data which is observed to improve location accuracy significantly. This research is relevant to applications in autonomous robotic exploration tasks and for the characterisation of contaminated environments associated with nuclear legacies and radiological emergencies.

AB - A technique for the in-situ localisation of radioactivity is described whereby the energy-resolved angular photon response of a collimated inorganic scintillation detector is used to derive the spatial arrangement of a variety of radioactive source configurations. The influence of photon radiation (X- and γ ray) incident on the collimated detector is expressed mathematically, by way of a sinc transform embedded to a dynamic linear regression model, to increase the spatial accuracy of the localisation. This approach is tested experimentally with two pairs of like radionuclides, two pairs of different combinations of radionuclides and three different radionuclides to demonstrate its combined isotopic discrimination and spatial localisation capabilities. A fit based on the model referred to above is observed to reproduce the data for the combined X- and γ-ray regions of interest effectively. This allows for increased resolution via interpolation between the data which is observed to improve location accuracy significantly. This research is relevant to applications in autonomous robotic exploration tasks and for the characterisation of contaminated environments associated with nuclear legacies and radiological emergencies.

KW - Gamma rays

KW - Photons

KW - Radioactivity

KW - Regression analysis

KW - Dynamic linear

KW - Energy

KW - Inorganics

KW - Linear regression modelling

KW - Localisation

KW - Photon radiation

KW - Photon response

KW - Radioactive sources

KW - Spatial accuracy

KW - Spatial arrangements

KW - Radioisotopes

U2 - 10.1016/j.nima.2023.168771

DO - 10.1016/j.nima.2023.168771

M3 - Journal article

VL - 1057

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

M1 - 168771

ER -