Inverse methods for material quantification using neutron and X-ray radiography

Document Type

Presentation Abstract

Presentation Date

10-7-2019

Abstract

The need for methods to complete non-destructive quantitative inspections remains an active one for a variety of applications, e.g., baggage and cargo scanning. Recently, there is a renewed interest in inspection of objects with a beam of neutrons. The way that neutrons travel through an object is unique to X-rays, potentially offering useful information beyond what would be available using a typical X-ray radiograph. We will discuss recent work at the Pacific Northwest National Lab on quantification of material composition of an object using radiography as well as the inverse algorithms that underpin the method. New work involving combining data from a complex neutron interrogation system, a so-called neutron associated particle imager, will also be discussed. This system presents interesting possibilities for developing new methods to combine multiple observables of multiple particles into a cohesive and meaningful output.

Additional Details

Monday, October 7, 2019 at 3:00 p.m. in Math 103
Refreshments at 4:00 p.m. in Math Lounge 109

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