Neutron measurements with Time-Resolved Event-Counting Optical Radiation (TRECOR) detector

M. Brandis; D. Vartsky; V. Dangendorf; B. Bromberger; D. Bar; B. Goldberg; K. Tittelmeier; E. Friedman; A. Czasch; I. Mardor; I. Mor; M. Weierganz

doi:10.1088/1748-0221/7/04/C04003

Neutron measurements with Time-Resolved Event-Counting Optical Radiation (TRECOR) detector

M. Brandis^*
, D. Vartsky
, V. Dangendorf
, B. Bromberger
, D. Bar
, B. Goldberg
, K. Tittelmeier
, E. Friedman
, A. Czasch
, I. Mardor
, I. Mor
, M. Weierganz

^*Corresponding author for this work

Racah Institute of Physics

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

14 Scopus citations

Abstract

Results are presented from the latest experiment with a new neutron/gamma detector, a Time-Resolved, Event-Counting Optical Radiation (TRECOR) detector. It is composed of a scintillating fiber-screen converter, bending mirror, lens and Event-Counting Image Intensifier (ECII), capable of specifying the position and time-of-flight of each event. TRECOR is designated for a multipurpose integrated system that will detect Special Nuclear Materials (SNM) and explosives in cargo. Explosives are detected by Fast-Neutron Resonance Radiography, and SNM by Dual Discrete-Energy gamma-Radiography. Neutrons and gamma-rays are both produced in the ¹¹B(d,n+γ)¹²C reaction. The two detection modes can be implemented simultaneously in TRECOR, using two adjacent radiation converters that share a common optical readout. In the present experiment the neutron detection mode was studied, using a plastic scintillator converter. The measurements were performed at the PTB cyclotron, using the ⁹Be(d,n) neutron spectrum obtained from a thick Be-target at E_d ∼ 13 MeV. The basic characteristics of this detector were investigated, including the Contrast Transfer Function (CTF), Point Spread Function (PSF) and elemental discrimination capability.

Original language	English
Article number	C04003
Journal	Journal of Instrumentation
Volume	7
Issue number	4
DOIs	https://doi.org/10.1088/1748-0221/7/04/C04003
State	Published - Apr 2012

Keywords

Detection of explosives
Inspection with gamma rays
Neutron detectors (cold, thermal, fast neutrons)
Neutron radiography

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10.1088/1748-0221/7/04/C04003

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title = "Neutron measurements with Time-Resolved Event-Counting Optical Radiation (TRECOR) detector",

abstract = "Results are presented from the latest experiment with a new neutron/gamma detector, a Time-Resolved, Event-Counting Optical Radiation (TRECOR) detector. It is composed of a scintillating fiber-screen converter, bending mirror, lens and Event-Counting Image Intensifier (ECII), capable of specifying the position and time-of-flight of each event. TRECOR is designated for a multipurpose integrated system that will detect Special Nuclear Materials (SNM) and explosives in cargo. Explosives are detected by Fast-Neutron Resonance Radiography, and SNM by Dual Discrete-Energy gamma-Radiography. Neutrons and gamma-rays are both produced in the 11B(d,n+γ)12C reaction. The two detection modes can be implemented simultaneously in TRECOR, using two adjacent radiation converters that share a common optical readout. In the present experiment the neutron detection mode was studied, using a plastic scintillator converter. The measurements were performed at the PTB cyclotron, using the 9Be(d,n) neutron spectrum obtained from a thick Be-target at Ed ∼ 13 MeV. The basic characteristics of this detector were investigated, including the Contrast Transfer Function (CTF), Point Spread Function (PSF) and elemental discrimination capability.",

keywords = "Detection of explosives, Inspection with gamma rays, Neutron detectors (cold, thermal, fast neutrons), Neutron radiography",

author = "M. Brandis and D. Vartsky and V. Dangendorf and B. Bromberger and D. Bar and B. Goldberg and K. Tittelmeier and E. Friedman and A. Czasch and I. Mardor and I. Mor and M. Weierganz",

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AU - Brandis, M.

AU - Vartsky, D.

AU - Dangendorf, V.

AU - Bromberger, B.

AU - Bar, D.

AU - Goldberg, B.

AU - Tittelmeier, K.

AU - Friedman, E.

AU - Czasch, A.

AU - Mardor, I.

AU - Mor, I.

AU - Weierganz, M.

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AB - Results are presented from the latest experiment with a new neutron/gamma detector, a Time-Resolved, Event-Counting Optical Radiation (TRECOR) detector. It is composed of a scintillating fiber-screen converter, bending mirror, lens and Event-Counting Image Intensifier (ECII), capable of specifying the position and time-of-flight of each event. TRECOR is designated for a multipurpose integrated system that will detect Special Nuclear Materials (SNM) and explosives in cargo. Explosives are detected by Fast-Neutron Resonance Radiography, and SNM by Dual Discrete-Energy gamma-Radiography. Neutrons and gamma-rays are both produced in the 11B(d,n+γ)12C reaction. The two detection modes can be implemented simultaneously in TRECOR, using two adjacent radiation converters that share a common optical readout. In the present experiment the neutron detection mode was studied, using a plastic scintillator converter. The measurements were performed at the PTB cyclotron, using the 9Be(d,n) neutron spectrum obtained from a thick Be-target at Ed ∼ 13 MeV. The basic characteristics of this detector were investigated, including the Contrast Transfer Function (CTF), Point Spread Function (PSF) and elemental discrimination capability.

KW - Detection of explosives

KW - Inspection with gamma rays

KW - Neutron detectors (cold, thermal, fast neutrons)

KW - Neutron radiography

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Neutron measurements with Time-Resolved Event-Counting Optical Radiation (TRECOR) detector

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