{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["006:55"], "contactPoint": {"fn": "Alexander Kramida", "hasEmail": "mailto:alexander.kramida@nist.gov"}, "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.", "distribution": [{"accessURL": "https://doi.org/10.18434/T4/1502500", "description": "DOI Access to A suite of atomic structure codes originally developed by R.D. Cowan adapted for Windows-based personal computers", "format": "text/html", "title": "DOI Access to A suite of atomic structure codes originally developed by R.D. Cowan adapted for Windows-based personal computers"}, {"description": "Description of the contents, installation, and usage instructions.", "downloadURL": "https://data.nist.gov/od/ds/6CF509047B474AC9E05324570681DE731930/README_Kramida.txt", "format": "ASCII", "mediaType": "text/plain", "title": "README"}, {"description": "The source and executable files with user manuals.", "downloadURL": "https://data.nist.gov/od/ds/6CF509047B474AC9E05324570681DE731930/Cowan_PC_2021.zip", "format": "zip", "mediaType": "application/x-zip-compressed", "title": "Cowan code package, v. 2021"}, {"downloadURL": "https://data.nist.gov/od/ds/6CF509047B474AC9E05324570681DE731930/Cowan_PC_2018.zip", "mediaType": "application/zip"}, {"downloadURL": "https://data.nist.gov/od/ds/6CF509047B474AC9E05324570681DE731930/Cowan_PC_2018.zip.sha256", "mediaType": "text/plain"}], "identifier": "6CF509047B474AC9E05324570681DE731930", "keyword": ["ATOMIC STRUCTURE", "COWAN", "ENERGY LEVELS", "PC", "TRANSITION PROBABILITIES", "WINDOWS"], "landingPage": "https://data.nist.gov/od/id/6CF509047B474AC9E05324570681DE731930", "language": ["en"], "license": "https://www.nist.gov/open/license", "modified": "2021-11-22 00:00:00", "programCode": ["006:045"], "publisher": {"@type": "org:Organization", "name": "National Institute of Standards and Technology"}, "theme": ["Physics:Spectroscopy"], "title": "A suite of atomic structure codes originally developed by R. D. Cowan adapted for Windows-based personal computers."}