Explosives detection through fast-neutron time-of-flight attenuation measurements

Overley, J.C.; Chmelik, Michael S.; Rasmussen, R. J.; Schofield, R. M. S.; Lefevre, H.W.

doi:10.1016/0168-583x(94)00758-6

Cited by 38 publications

(14 citation statements)

References 3 publications

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“…FNRR takes advantage of the unique neutron absorption spectra of different elements and is used in various research, industry and security applications to study twophase flow [40] and contraband detection of explosives [41], narcotics [42], and special nuclear materials [43]. In FNRR, neutrons from a pulsed source of a broad energy range are transmitted through the imaged object.…”

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confidence: 99%

Ultrashort Pulsed Neutron Source

et al. 2014

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Section: Fig 2 (Color Online)mentioning

confidence: 99%

Ultrashort Pulsed Neutron Source

et al. 2014

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“…Using fiber dramatically reduces the size of detector needed to achieve equivalent results. 3 He detectors are ½-to 1-in.-diameter tubes filled with 3 He at two-to ten-atmosphere pressure, whereas, the fibers form a layer only 200 µm thick. A layer of tubes imbedded in an appropriate moderating material is much less effective at neutron detection than the fibers.…”

Section: An Alpha Particle and A Triton Results From This Interactionmentioning

confidence: 99%

Neutron Spectrometry for Identification of Filler Material in UXO

Bliss¹

2007

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“…Since the early 1990's there has been a great deal of work to explore neutron interrogation methods for detecting and identifying contraband and hazardous materials including narcotics, currency, alcohol and liquor, high explosives and unexploded ordinance, and chemical weapon agents. [239][240][241][242][243][244][245][246][247][248][249][250][251] The usual idea in these applications is to use a detector to measure inelastic and PGNAA gamma rays resulting from neutron scattering and neutron absorption, seeking first to detect and then often to quantify characteristic gamma rays from elements associated with the contraband or hazardous material. For materials including narcotics, high explosives, and chemical weapon agents, simple generalizations for the relative density of a handful of elements can be used to distinguish against benign material.…”

Section: Detection Of Contraband High Explosives and Chemical Weapomentioning

confidence: 99%

Production and applications of neutrons using particle accelerators

Chichester

2009

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Advances in neutron science have gone hand in hand with the development and of particle accelerators from the beginning of both fields of study. Early accelerator systems were developed simply to produce neutrons, allowing scientists to study their properties and how neutrons interact in matter, but people quickly realized that more tangible uses existed too. Today the diversity of applications for industrial accelerator-based neutron sources is high and so to is the actual number of instruments in daily use is high, and they serve important roles in the fields where they're used. This chapter presents a technical introduction to the different ways particle accelerators are used to produce neutrons, an historical overview of the early development of neutron-producing particle accelerators, a description of some current industrial accelerator systems, narratives of the fields where neutron-producing particle accelerators are used today, and comments on future trends in the industrial uses of neutron producing particle accelerators.

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Explosives detection through fast-neutron time-of-flight attenuation measurements

Cited by 38 publications

References 3 publications

Ultrashort Pulsed Neutron Source

Ultrashort Pulsed Neutron Source

Neutron Spectrometry for Identification of Filler Material in UXO

Production and applications of neutrons using particle accelerators

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