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Math Programs & Projects

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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

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

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

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

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

Numerical Simulation Management
Last Updated Date: 07/19/2013

An important part of the MGI effort is providing infrastructure and tools to enable reproducible research in computational materials science. For … more

Atomistic Potentials and the Future of Nanomaterials Metrology
Last Updated Date: 07/18/2013

As part of NIST's response to the Materials Genome Initiative (MGI), this project provides resources to address some of the challenges to the … more

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

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