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Atomic Physics Portal

Programs and Projects
Atomic Spectroscopy Data Center

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

Spectroscopy of Engineered Atoms

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

Novel Sources for Focused-ion Beams

Focused beams of ions have a wide range of uses, from nanoscale imaging to the fabrication of nanomaterials. In the CNST, researchers are … more

Precision Measurement Grants Program

Since 1970, the National Institute of Standards and Technology (NIST) has awarded Precision Measurement Grants to faculty members of U.S. … more

CODATA values of the fundamental constants

Every four years, the Committee on Data for Science and Technology (CODATA) issues recommended values of the fundamental physical constants. The … more

Theoretical Mass Spectrometry

Mass spectrometry is an important technique in analytical chemistry, essential in areas including drug development, criminal and agricultural … more

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