Data provided by National Institute of Standards and Technology
The package consists of a set of computer programs for calculation of energy levels, radiative transition wavelengths and probabilities, electron impact excitation and photoionization cross sections, etc. The programs were originally written by Robert D. Cowan in 1962-1991 (see R.D. Cowan, The theory of atomic structure and spectra, University of California Press, Berkeley - Los Angeles - London, 1981). The dataset was updated in November, 2021.
About this Dataset
Updated: 2026-08-20
Metadata Last Updated:
2021-11-22 00:00:00
Date Created:
N/A
Data Provided by:
Dataset Owner:
N/A
| Title | A suite of atomic structure codes originally developed by R. D. Cowan adapted for Windows-based personal computers. |
|---|---|
| Description | The package consists of a set of computer programs for calculation of energy levels, radiative transition wavelengths and probabilities, electron impact excitation and photoionization cross sections, etc. The programs were originally written by Robert D. Cowan in 1962-1991 (see R.D. Cowan, The theory of atomic structure and spectra, University of California Press, Berkeley - Los Angeles - London, 1981). The dataset was updated in November, 2021. |
| Modified | 2021-11-22 00:00:00 |
| Publisher Name | National Institute of Standards and Technology |
| Contact | mailto:[email protected] |
| Keywords | COWAN , PC , WINDOWS , ATOMIC STRUCTURE , ENERGY LEVELS , TRANSITION PROBABILITIES |
{
"identifier": "6CF509047B474AC9E05324570681DE731930",
"accessLevel": "public",
"contactPoint": {
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"fn": "Alexander Kramida"
},
"programCode": [
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"title": "A suite of atomic structure codes originally developed by R. D. Cowan adapted for Windows-based personal computers.",
"description": "The package consists of a set of computer programs for calculation of energy levels, radiative transition wavelengths and probabilities, electron impact excitation and photoionization cross sections, etc. The programs were originally written by Robert D. Cowan in 1962-1991 (see R.D. Cowan, The theory of atomic structure and spectra, University of California Press, Berkeley - Los Angeles - London, 1981). The dataset was updated in November, 2021.",
"language": [
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"mediaType": "application\/zip"
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"title": "DOI Access to A suite of atomic structure codes originally developed by R.D. Cowan adapted for Windows-based personal computers"
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{
"downloadURL": "https:\/\/data.nist.gov\/od\/ds\/6CF509047B474AC9E05324570681DE731930\/README_Kramida.txt",
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"title": "Cowan code package, v. 2021"
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"modified": "2021-11-22 00:00:00",
"publisher": {
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"name": "National Institute of Standards and Technology"
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"theme": [
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