Dual-particle imaging system based on simultaneous detection of photon and neutron collision events

Alexis Poitrasson-Rivière; Michael C. Hamel; J. Kyle Polack; Marek Flaska; Shaun D. Clarke; Sara A. Pozzi

doi:10.1016/j.nima.2014.05.056

Dual-particle imaging system based on simultaneous detection of photon and neutron collision events

Alexis Poitrasson-Rivière, Michael C. Hamel, J. Kyle Polack, Marek Flaska, Shaun D. Clarke, Sara A. Pozzi

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

73 Scopus citations

Abstract

A dual-particle imaging (DPI) system capable of simultaneously detecting and imaging fast neutrons and photons has been designed and built. Imaging fast neutrons and photons simultaneously is particularly desirable for nuclear nonproliferation and/or safeguards applications because typical sources of interest (special nuclear material) emit both particle types. The DPI system consists of three detection planes: the first two planes consist of organic-liquid scintillators and the third plane consists of NaI(Tl) inorganic scintillators. Pulse shape discrimination technique(s) may be used for the liquid scintillators to differentiate neutron and photon pulses whereas the NaI(Tl) scintillators are highly insensitive to neutrons. A prototype DPI system was set up using a digital data acquisition system as a proof of concept. Initial measurements showed potential for use of the DPI system with special nuclear material. The DPI system has efficiencies of the order of 10 ^-4 correlated counts per incident particles for both neutron and photon correlated counts, with simple-backprojection images displaying peaks within a few degrees of the source location. This uncertainty is expected to decrease with more extensive data interpretation.

Original language	English (US)
Pages (from-to)	40-45
Number of pages	6
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	760
DOIs	https://doi.org/10.1016/j.nima.2014.05.056
State	Published - Oct 1 2014

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Instrumentation

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Poitrasson-Rivière, A., Hamel, M. C., Polack, J. K., Flaska, M., Clarke, S. D., & Pozzi, S. A. (2014). Dual-particle imaging system based on simultaneous detection of photon and neutron collision events. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 760, 40-45. https://doi.org/10.1016/j.nima.2014.05.056

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title = "Dual-particle imaging system based on simultaneous detection of photon and neutron collision events",

abstract = "A dual-particle imaging (DPI) system capable of simultaneously detecting and imaging fast neutrons and photons has been designed and built. Imaging fast neutrons and photons simultaneously is particularly desirable for nuclear nonproliferation and/or safeguards applications because typical sources of interest (special nuclear material) emit both particle types. The DPI system consists of three detection planes: the first two planes consist of organic-liquid scintillators and the third plane consists of NaI(Tl) inorganic scintillators. Pulse shape discrimination technique(s) may be used for the liquid scintillators to differentiate neutron and photon pulses whereas the NaI(Tl) scintillators are highly insensitive to neutrons. A prototype DPI system was set up using a digital data acquisition system as a proof of concept. Initial measurements showed potential for use of the DPI system with special nuclear material. The DPI system has efficiencies of the order of 10 -4 correlated counts per incident particles for both neutron and photon correlated counts, with simple-backprojection images displaying peaks within a few degrees of the source location. This uncertainty is expected to decrease with more extensive data interpretation.",

author = "Alexis Poitrasson-Rivi{\`e}re and Hamel, {Michael C.} and Polack, {J. Kyle} and Marek Flaska and Clarke, {Shaun D.} and Pozzi, {Sara A.}",

note = "Funding Information: The prototype system is funded by the Department of Energy, Nuclear Energy University Program , Award # DE-NE0000324 .",

year = "2014",

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doi = "10.1016/j.nima.2014.05.056",

language = "English (US)",

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Poitrasson-Rivière, A, Hamel, MC, Polack, JK, Flaska, M, Clarke, SD & Pozzi, SA 2014, 'Dual-particle imaging system based on simultaneous detection of photon and neutron collision events', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 760, pp. 40-45. https://doi.org/10.1016/j.nima.2014.05.056

Dual-particle imaging system based on simultaneous detection of photon and neutron collision events. / Poitrasson-Rivière, Alexis; Hamel, Michael C.; Polack, J. Kyle et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 760, 01.10.2014, p. 40-45.

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

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AU - Poitrasson-Rivière, Alexis

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AU - Polack, J. Kyle

AU - Flaska, Marek

AU - Clarke, Shaun D.

AU - Pozzi, Sara A.

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AB - A dual-particle imaging (DPI) system capable of simultaneously detecting and imaging fast neutrons and photons has been designed and built. Imaging fast neutrons and photons simultaneously is particularly desirable for nuclear nonproliferation and/or safeguards applications because typical sources of interest (special nuclear material) emit both particle types. The DPI system consists of three detection planes: the first two planes consist of organic-liquid scintillators and the third plane consists of NaI(Tl) inorganic scintillators. Pulse shape discrimination technique(s) may be used for the liquid scintillators to differentiate neutron and photon pulses whereas the NaI(Tl) scintillators are highly insensitive to neutrons. A prototype DPI system was set up using a digital data acquisition system as a proof of concept. Initial measurements showed potential for use of the DPI system with special nuclear material. The DPI system has efficiencies of the order of 10 -4 correlated counts per incident particles for both neutron and photon correlated counts, with simple-backprojection images displaying peaks within a few degrees of the source location. This uncertainty is expected to decrease with more extensive data interpretation.

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ER -

Dual-particle imaging system based on simultaneous detection of photon and neutron collision events

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