Dose Rates of Radiation from Thorium and from Enriched Uranium |
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alpha ionization/cm alpha particles alpha radiation average depth contributing average ionization BETA GAMMA RADIATION calculated CARBON COLLECTOR Fig cm of path cm² compare the alpha compensating emf COMPOSITION OF URANIUM constants are inversely decay constants depth contributing particles depth of alpha different isotopes disc of thorium dose rate due ELECTRODE SEPARATION Millimeters ELECTROMETER POTENTIAL Millivolts enriched to natural enriched uranium metal esu/hr/cm³ experimental ratio extrapolation chambers Friedlander-Kennedy GAMMA RADIATION DOSE given H. K. Richards half-life ionization current ionization of U238 ionization per cm ionization produced isotopic composition Kienberger leaving the uranium measured dose rate metal were measured mg/cm² OF POLYSTYRENE natural uranium number of alpha ohms particle after leaving penetration Phys RADIATION DOSE RATE Range in Air RATE AT SURFACE RATES OF RADIATION relative units relative values SURFACE OF THORIUM T. E. Bortner thick disc total dose rate TOTAL RADIATION DOSE uranium surface W. H. Sullivan