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Energy Programs & Projects

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Precision Measurement of Radiative Neutron Decay Branching Ratio and Energy Spectrum
Last Updated Date: 07/23/2013

Although neutron decay is typically considered as a three-body process, in the radiative correction it is always accompanied by … more

Neutron Imaging for Advanced Catalyst Development and Durability Studies
Last Updated Date: 07/22/2013

Neutron imaging continues to play a key role in elucidating the role of water in proton exchange membrane fuel cells (PEMFCs) as highlighted by … more

Neutron Detector Replacement Program
Last Updated Date: 07/22/2013

The Department of Homeland Security/Domestic Nuclear Detection Office (DHS/DNDO) is pursuing a course to transform 3 He alternative technologies … more

Measurement of the Electron-Antineutrino Correlation in Neutron Decay
Last Updated Date: 07/22/2013

The angular correlation between the beta electron and antineutrino in nuclear beta decay α is the least well-known of the group of neutron decay … more

Magnetically Trapped Neutron Lifetime Experiment
Last Updated Date: 07/22/2013

The decay of the free neutron is the simplest nuclear beta decay and is the prototype for all charged current semi-leptonic weak interactions.  … more

High-Efficiency Neutron Detection and Spectroscopy
Last Updated Date: 07/22/2013

Precise knowledge of the fast neutron spectrum and fluencies is essential for several experimental endeavors requiring the low-background of the … more

Alpha-gamma Counting for High Accuracy Fluence Measurements
Last Updated Date: 07/22/2013

Neutron fluence is measured by counting gamma-rays from the reaction n+ 10 B® 4 He+ 7 Li + g(478KeV) with a calibrated gamma detector. The gamma … more

Advanced Neutron Imaging Facility
Last Updated Date: 07/22/2013

The NIST Neutron Imaging Facility (NNIF) at the NIST Center for Neutron Research .

Structure-Property Links in Deformation
Last Updated Date: 07/18/2013

This project aims to improve models linking the microscale, grain-level deformation properties, and the macroscopic, continuum deformation … more

Materials Codes and Standards for Hydrogen Distribution
Last Updated Date: 07/08/2013

The goal of this project is to enable the development of a scientific and technical infrastructure for the safe and efficient use of hydrogen as a … more

High Rate Tensile Testing
Last Updated Date: 07/02/2013

High rate tensile testing summary pending

Electron Beam Ion Trap (EBIT) Facility
Last Updated Date: 06/06/2013

The NIST EBIT Facility is used to investigate the science and applications of highly charged ions.

High-Resolution Atomic Spectroscopy
Last Updated Date: 06/06/2013

Accurate measurements of atomic transitions using diffraction grating spectrographs, Fourier transform spectrometers, and laser spectroscopy. more

Atomic Spectroscopy Data Center
Last Updated Date: 06/06/2013

Critical compilations of atomic energy levels, transition wavelengths, and transition probabilities. Online databases. more

IECn42
Last Updated Date: 06/05/2013

The purpose of the IEC 62755 standard N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement … more

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