{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["006:55"], "contactPoint": {"@type": "vcard:Contact", "fn": "Stephen M. Seltzer", "hasEmail": "mailto:s.seltzer@nist.gov"}, "description": "Tables of X-Ray Mass Attenuation Coefficients and Mass Energy - Absorption Coefficients from 1 keV to 20 MeV for Elements Z = 1 to 92 and 48 Additional Substances of Dosimetric Interest include tables covering energies of the photon (x-ray, gamma ray, bremsstrahlung) from 1 keV to 20 MeV.  Version 1.4", "distribution": [{"accessURL": "https://dx.doi.org/10.18434/T4D01F", "description": "DOI Access to NIST Tables of X-Ray Mass Energy-Absorption Coefficients and Mass Attenuation Coefficients - SRD 126", "format": "text/html", "mediaType": "text/html", "title": "DOI Access to NIST Tables of X-Ray Mass Energy-Absorption Coefficients and Mass Attenuation Coefficients - SRD 126"}], "identifier": "FDB5909746755200E043065706813E54125", "keyword": ["masses"], "landingPage": "https://www.nist.gov/pml/x-ray-mass-attenuation-coefficients", "language": ["en"], "license": "https://www.nist.gov/open/license", "modified": "2004-07-01 00:00:00", "programCode": ["006:052"], "publisher": {"@type": "org:Organization", "name": "National Institute of Standards and Technology"}, "theme": ["Physics:Radiation", "Standards:Reference data"], "title": "NIST Tables of X-Ray Mass Energy-Absorption Coefficients and Mass Attenuation Coefficients - SRD 126"}