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Radiation Physics Programs & Projects

(showing 1 - 15 of 112)
Accelerator Facilities
Last Updated Date: 10/09/2014

The Radiation Physics Division's accelerator facilities continue to support a broad range of research efforts in the areas of industrial and … more

Radioactivity Standard Reference Material Program
Last Updated Date: 10/09/2014

The Standard Reference Materials Program of the National Institute of Standards and Technology (NIST) provides science, industry, and government … more

Quantum Sensors
Last Updated Date: 09/10/2014

The Quantum Sensors Project develops sensors based on quantum phenomena for spectroscopy, imaging, and other precision measurements for … more

Neutron Interferometry with Polarized Neutrons as an Additional Degree of Freedom
Last Updated Date: 07/15/2014

Our goal is to apply Quantum Information Processing techniques to improve neutron interferometry contrast by making our final measurement … more

Test and Evaluation Protocols for ANSI/IEEE N42 Standards
Last Updated Date: 03/25/2014

The purpose of these test and evaluation protocols is to provide additional information to the published ANSI/IEEE N42 series for homeland … more

Evolution of Image Spatial Resolution
Last Updated Date: 12/26/2013

Measuring the through-plane water content in a hydrogen fuel cell is critical to understanding this complicated heat and mass transport … more

ANSI N42.42 Standard
Last Updated Date: 10/29/2013

The purpose of the N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement instruments for … more

New Calibration Service for 14 MeV Neutron Generators
Last Updated Date: 07/30/2013

A new calibration service for 14 MeV neutron generators is being developed.   The calibrations may be done at NIST or at a customer site, by … more

Neutron Device Calibrations
Last Updated Date: 07/30/2013

NIST provides the national reference for the calibration of neutron radiation detectors and for neutron personnel dosimeters.  more

Neutron Cross Section Standards
Last Updated Date: 07/30/2013

NIST continues to be deeply involved with measurements and evaluations of neutron cross section standards.   NIST maintains a limited experimental … more

Calibrated Neutron Sources
Last Updated Date: 07/30/2013

ANSI N42.35 requires 252 Cf neutron sources encapsulated in 1 cm of steel with a fluence of 2x10 4 n/s ±20%. 

Use of Quantum Error Coding in a 4-Blade Neutron Interferometer
Last Updated Date: 07/30/2013

We have designed a new type of neutron interferometer, which will be less sensitive to slow vibrations.

Measurement of the Neutron Magnetic Dipole Moment Using Schwinger Scattering
Last Updated Date: 07/30/2013

This experiment will measure Schwinger scattering in silicon. Previous attempts done by Shull and others did not produce the expected results. The … more

Search for Time Reversal Violation in Polarized Neutron Decay (emiT)
Last Updated Date: 07/30/2013

The "emiT" experiment searches for - or will set an improved upper bound on - the time-reversal asymmetry term in neutron beta decay. It does so … more

Neutron Source Strength Calibrations
Last Updated Date: 07/23/2013

The neutron source calibration facility operated by NIST is a world-class calibration laboratory providing neutron source   calibration services … more

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