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Radiation Physics Programs & Projects

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NIST Work in Support of the Navy Dosimetry Program
Last Updated Date: 02/27/2013

The U.S. Navy uses thermoluminescent dosimeters (TLDs) to monitor personnel for radiation exposure.

Enhanced X-Ray Imaging
Last Updated Date: 02/26/2013

This project pursues enhanced x-ray image acquisition and analysis methods that are applicable to, for example, security and medical applications … more

High-Resolution X-ray Spectroscopy
Last Updated Date: 02/26/2013

We are pursuing a program of x-ray spectroscopy of highly-charged ions and plasmas using custom-designed and constructed curved crystal … more

Remote Sensing Methods for Imaging Dose to Water
Last Updated Date: 02/26/2013

Calorimetry based upon remote sensing of the temperature field in an irradiated volume would offer distinct advantages over the present approach, … more

Photon and Charged Particle Data Center
Last Updated Date: 02/26/2013

The Photon and Charged Particle Data Center has long been an international source of photon and charged particle reference data that have been … more

Traceability for Industrial Irradiator
Last Updated Date: 02/26/2013

U.S. manufacturers have contended for decades that traceability to national standards for industrial irradiation applications is best achieved by … more

Testing of Radiation Detection Systems
Last Updated Date: 12/12/2012

NIST is working together with the Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO) in testing radiation detection … more

Dosimetry Standardization for Radiobiology
Last Updated Date: 08/21/2012

A program for the development of dosimetry standards for radiobiology was launched through a highly successful workshop.  The … more

Quantification of the Alpha Wall Effect in Liquid Scintillation Counting
Last Updated Date: 06/27/2012

A long-standing uncertainty in liquid scintillation (LS) counting has been the possible loss of counting efficiency. 

Primary Radioactivity Standardization of Ni-63
Last Updated Date: 06/27/2012

Ni-63 is of considerable interest and importance in radionuclidic metrology as well as for radiation protection surveillance around nuclear … more

Components of Variance in Liquid Scintillation Counting
Last Updated Date: 06/27/2012

As part of the standardization of the 239 Pu solution that was disseminated by NIST as Standard Reference Material (SRM) 4330C, a detailed study … more

Radon Binding to Water-Soluble Cryptophane
Last Updated Date: 06/27/2012

Collaboration on investigating the thermodynamics of radon binding with a new and novel class of cryptophane molecules is currently underway with … more

New Statistical Analysis Tools
Last Updated Date: 06/27/2012

Members of the Radioactivity Group (RG) have been actively collaborating with statisticians in the NIST Statistical Engineering Division to … more

Technetium-99m Primary Standardization and International Comparison
Last Updated Date: 06/27/2012

Technetium-99m ( 99m Tc) is used in two-thirds of all diagnostic nuclear medicine procedures in the United States. more

International Comparison of Pu-241
Last Updated Date: 06/27/2012

All of the plutonium isotopes, which have a very high biotoxicity, are man-made and result from various nuclear activities. Plutonium-241 is a … more

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