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Energy Programs & Projects

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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

Gamma-Gamma Prime Cobalt Superalloys
Last Updated Date: 07/24/2013

The development of a materials innovation infrastructure (MII) that will enable rapid and significant reductions in the development time for new … more

New Manganese Sulfate Bath
Last Updated Date: 07/23/2013

Description: Many neutron sources required by Homeland Security have a lower neutron emission rate than is appropriate for the NIST calibration … more

Characterization of Porous Transport Media for Hydrogen Fuel Cells
Last Updated Date: 07/23/2013

Efficiently managing water transport in proton exchange membrane fuel cells (PEMFCs) is critical to the performance, cost, and durability in order … more

Neutron Imaging of Lithium and Alkaline Batteries
Last Updated Date: 07/23/2013

A common topic in energy systems is the need for in situ measurement of the mass transport of light ion species such as hydrogen or lithium.   … more

Continuous Spin-Exchange Optical Pumping in High Flux Neutron Beams
Last Updated Date: 07/23/2013

We collaborated on tests at the Insitut Laue Langevin (ILL) to study the effects of high flux neutron beams on spin-exchange optical pumping … more

Wide-Angle Neutron Polarization Analysis
Last Updated Date: 07/23/2013

The capabilities of many neutron scattering instruments would be greatly enhanced by neutron polarization analyzers that can cover a wide angular … more

Precision Measurement of the Neutron-He3 Incoherent Scattering Length
Last Updated Date: 07/23/2013

The Neutron Interferometer and Optics Facility performed a precision measurement of the n- 3 He incoherent scattering length. Quantum … more

Neutron Tomography of Hydrogen Storage Bed
Last Updated Date: 07/23/2013

Future hydrogen fuel cell vehicles will require hydrogen storage vessels that efficiently store and quickly release the hydrogen fuel.   The … more

Californium Neutron Irradiation Facility
Last Updated Date: 07/23/2013

NIST provides an exposure facility for high neutron fluencies called the Californium Neutron irradiation Facility (CNIF). more

Measurement of the Parity Non-Conserving Neutron Spin Rotation (PNC) in Liquid Helium
Last Updated Date: 07/23/2013

We recently completed a successful run of an experiment to study the strong interaction using weak interaction properties of the neutron. The … more

X-ray Detection with Large Area Avalanche Photodiodes for the Neutron Radiative Decay Experiment
Last Updated Date: 07/23/2013

Operation of the second neutron radiative decay experiment has been completed.   In this experiment we observed the emission of photons that … more

Towards a Neutron Microscope
Last Updated Date: 07/23/2013

A novel neutron lens based on reflection has recently been developed that could greatly benefit neutron imaging and other neutron scattering … more

Pushing and Understanding the Limits of Spin-Exchange Optical Pumping of He-3
Last Updated Date: 07/23/2013

Neutron spin filters based on polarized 3He rely on the strong spin dependence of the absorption of neutrons by 3He gas.

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

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