title: Evaluation of transmission data of diagnostic X rays through concrete using Monte Carlo simulation.
abstract: The transmittance of diagnostic X-ray beams through concrete of two different densities were measured. Broad-beam X-ray transmissions were estimated using a Monte Carlo simulation at tube voltages of 50-150 kV and compared with National Council on Radiation Protection and Measurements (NCRP) data. The observed levels were higher than those predicted by the NCRP data; that is, the NCRP data underestimate the leakage radiation from widely used inverter systems. Some of the issues were resolved and new data were proposed.
authors.affiliation: Department of Radiological Technology, Kanazawa University Hospital, 13-1 Takaramachi, Kanazawa, Ishikawa 920-8641, Japan. kimiyanoto@hotmail.com
authors.forename: Kimiya
authors.initials: K
authors.lastname: Noto
authors.forename: Kichirou
authors.initials: K
authors.lastname: Koshida
authors.forename: Hiroji
authors.initials: H
authors.lastname: Iida
authors.forename: Atsushi
authors.initials: A
authors.lastname: Fukuda
mesh_terms: D003198:Computer Simulation; D003252:Construction Materials; D019544:Equipment Failure Analysis; D015233:Models, Statistical; D009010:Monte Carlo Method; D011829:Radiation Dosage; D011835:Radiation Protection / Q000295:instrumentation*; D011859:Radiography; D011874:Radiometry / Q000379:methods*; D012542:Scattering, Radiation; D014965:X-Rays