Search Data.gov

• Organization: National Institute of Standards and Technology
• Updated: 2020-07-09 00:00:00 | Harvested: June 27, 2025 at 07:24 PM

An implementation in Julia of a library to make programmatically available the mass absorption and other data provided in the "X-Ray Form Factor, Attenuation, and Scattering Tables - NIST Standard...

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• julia package

• Organization: National Institute of Standards and Technology
• Updated: 2011-12-01 00:00:00 | Harvested: June 27, 2025 at 06:52 PM

The Elemental Data Index provides access to the holdings of NIST Physical Measurement Laboratory (PML) online data organized by element. It is intended to simplify the process of retrieving online...

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• Organization: National Institute of Standards and Technology
• Updated: 2022-07-06 00:00:00 | Harvested: June 27, 2025 at 07:45 PM

This set corresponds to a (pending) publication, where we attempt to model spectral features appearing in the lab by calculating many segments of an inhomogeneous field. Every data set here is a...

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• array, scales for axes
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• Organization: National Institute of Standards and Technology
• Updated: 2003-06-01 00:00:00 | Harvested: June 27, 2025 at 06:53 PM

A bibliography is presented of papers reporting absolute measurements of photon (XUV, x-ray, gamma-ray, bremsstrahlung) total interaction cross sections or attenuation coefficients for the...

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• Organization: National Institute of Standards and Technology
• Updated: 2009-03-01 00:00:00 | Harvested: June 27, 2025 at 06:53 PM

Atomic Reference Data for Electronic Structure Calculations contains total energies, partial energies and orbital eigenvalues for the atoms hydrogen through uranium, as computed in several...

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• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00 | Harvested: June 27, 2025 at 06:53 PM

The databases ESTAR, PSTAR, and ASTAR calculate stopping-power and range tables for electrons, protons, or helium ions. Stopping-power and range tables can be calculated for electrons in any...

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• Organization: National Institute of Standards and Technology
• Updated: 2013-01-01 00:00:00 | Harvested: July 14, 2025 at 02:43 PM

FLYCHK provides a capability to generate atomic level populations and charge state distributions for low-Z to mid-Z elements under NLTE conditions.

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• Organization: National Institute of Standards and Technology
• Updated: 2017-09-01 00:00:00 | Harvested: June 27, 2025 at 06:56 PM

The Standard Reference Simulation Website is an ongoing project whose aim is to provide well-documented simulation results for a variety of systems and from various simulation techniques. The data...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-01-01 00:00:00 | Harvested: June 27, 2025 at 06:57 PM

This bibliographic database contains citations for the most important theoretical and experimental publications relevant to the fundamental constants and closely related precision measurements...

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• Organization: National Institute of Standards and Technology
• Updated: 2010-07-01 00:00:00 | Harvested: June 27, 2025 at 06:54 PM

The atomic weights are available for elements 1 through 118 and isotopic compositions or abundances are given when appropriate. Version 3.0.

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• Organization: National Institute of Standards and Technology
• Updated: 2022-07-13 00:00:00 | Harvested: June 27, 2025 at 07:45 PM

Data for "Primary measurement of gaseous elemental mercury concentration with a dynamic range of six decades" article for submission

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• Organization: National Institute of Standards and Technology
• Updated: 2007-06-01 00:00:00 | Harvested: June 27, 2025 at 06:53 PM

CO2 is studied using dispersed synchrotron radiation in the 650 Å and 840 Å spectral region. The vibrationally resolved photoelectron spectra are analyzed to generate relative vibrational...

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