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Updated: Aug 9, 2026

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
Published on: January 30, 2020
Development of gamma-ray emitting test sources for portal monitors
L Pibida1, M Unterweger, L Karam
1NIST, 100 Bureau Dr. Stop 8462, Gaithersburg, MD 20899-8462, USA. leticia.pibida@nist.gov
Abstract:
A new set of gamma-ray emitting test sources was designed by the National Institute of Standards and Technology (NIST) for testing of radiation portal monitors for homeland security applications. This paper provides a description of the construction and characterization of these new sources that were designed and built to meet the American National Standard Institute (ANSI) N42.35-2004 and N42.38 standards' requirements.
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