title: Gamma-ray emitting test sources for Portal Monitors used for homeland security.
abstract: The National Institute of Standards and Technology developed a new set of test sources for testing of portal monitors against the ANSI standard N42.35-2004. The design and source specifications are provided in this work.
authors.affiliation: NIST, 100 Bureau Dr. Stop 8462, Gaithersburg, MD 20899-8462, USA.
authors.forename: L
authors.initials: L
authors.lastname: Lucas
authors.forename: L
authors.initials: L
authors.lastname: Pibida
authors.forename: M
authors.initials: M
authors.lastname: Unterweger
authors.forename: L
authors.initials: L
authors.lastname: Karam
mesh_terms: D002138:Calibration; D005720:Gamma Rays; D006077:Government Agencies; D011834:Radiation Monitoring / Q000592:standards*; D012015:Reference Standards; D014481:United States