Decision Sciences International Corporation

National Technology & Engineering Solutions of Sandia, LLC

Los Alamos National Security, LLC

National Security Technologies LLC

J Andrew Green

Michael James Sossong

Christopher L Morris

Larry Joe Schultz

Konstantin N Borozdin

Nedra D Bonal

Wendi Dreesen

Alexander Saunders

David Schwellenbach

Leiph A Preston

Mark F Makela

Richard A Smith

Nicolas Hengartner

David C Vineyard

William Priedhorsky

James M Colthart

David C Klugh

Gary E Scoggins

Gary E Hogan

A muon detector system capable of determining muon direction and flight trajectory or path is disclosed. The muon detector system includes scintillators for determining muon direction, and an array of muon detectors arranged in orthogonal layers for determining flight trajectory. The system can be used for tomographic and telescopic mode imaging, and may be used for imaging concealed and/or subterranean objects.

Muon detectors, systems and methods

Techniques, apparatus and systems for detecting particles such as muons for imaging applications. Subtraction techniques are described to enhance the processing of the muon tomography data.

Imaging and sensing based on muon tomography

A portal monitoring system has a cosmic ray charged particle tracker with a plurality of drift cells. The drift cells, which can be for example aluminum drift tubes, can be arranged at least above and below a volume to be scanned to thereby track incoming and outgoing charged particles, such as cosmic ray muons, whilst also detecting gamma rays. The system can selectively detect devices or materials, such as iron, lead, gold and/or tungsten, occupying the volume from multiple scattering of the charged particles passing through the volume and can also detect any radioactive sources occupying the volume from gamma rays emitted therefrom. If necessary, the drift tubes can be sealed to eliminate the need for a gas handling system. The system can be employed to inspect occupied vehicles at border crossings for nuclear threat objects.

Radiation portal monitor system and method

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North Las Vegas, NV, United States of America

J Andrew Green