NIST logo
NIST Home > Physics Programs and Projects 

Physics Programs & Projects

(showing 76 - 90 of 220)
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 .

Frequency Conversion Interfaces for Photonic Quantum Systems
Last Updated Date: 07/02/2013

Optical frequency conversion, in which the color of light is changed, is a process that has numerous applications in physics and technology.  For … more

Nanoplasmonics and Three-Dimensional Plasmonic Metamaterials
Last Updated Date: 06/28/2013

Metamaterials are tailor-made photonic composites--combinations of materials designed to achieve optical properties not seen in nature. The … more

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

Spectroscopy of Engineered Atoms
Last Updated Date: 06/06/2013

Experiments with atomic systems designed to have features more favorable for improved measurements of atomic properties and constants of nature.     more

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

Plasma Metrology
Last Updated Date: 06/04/2013

Measurement techniques in support of commercial and scientific uses of plasmas.

Technical Highlights Atomic Physics Division
Last Updated Date: 06/04/2013

The strategy of the Atomic Physics Division is to develop and apply atomic physics research methods, and particulary the interaction between atoms … more

Collagen Films Protocol
Last Updated Date: 05/08/2013

Background: Collagen type 1 is the most prevalent extracellular protein in connective tissue, and is part of the family of collagens that are … more

Last Updated Date: 05/08/2013

The NIST Thermodynamic Metrology Group maintains and develops national standards of temperature (in the range 0.65 K to 1235 K), and supports … more

Related Links in:Physical Measurement Laboratory 
General Information:
301-975-NIST (6478)

100 Bureau Drive, Stop 1070
Gaithersburg, MD 20899-1070