title: New Spherical Gamma-Ray and Neutron Emitting Sources for Testing of Radiation Detection Instruments.
abstract: The National Institute of Standards and Technology (NIST) has developed new gamma-ray and neutron emitting sources for testing radiation detection systems. These radioactive sources were developed for testing of detection systems in maritime applications. This required special source characteristics.
authors: National Institute of Standards and Technology, Gaithersburg, MD 20899-8462.
authors: L
authors: L
authors: Lucas
authors: National Institute of Standards and Technology, Gaithersburg, MD 20899-8462.
authors: L
authors: L
authors: Pibida
keywords: aluminum sphere; density gauges; gamma-ray emitting sources; irradiators; neutron emitting sources; radiation detection; shielding; uncertainty range