A Continuous Alpha Air Monitor Compensating for the Natural Atmospheric Radioactivity

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University of California Radiation Laboratory, 1955 - Alpha rays - 26 pages

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Contents

Abstract
2
Design and Operation of the Continuous Alpha Air Monitor
11
Conclusions
20

Common terms and phrases

68-Mev alpha particles a)y Solution activity is present adjust AIR MONITOR COMPENSATING ALPHA AIR MONITOR alpha counts alpha emitters ATMOSPHERIC RADIOACTIVITY David atoms of radium calibrate switch California Radiation Laboratory chassis see Fig CONTINUOUS ALPHA AIR counting geometry dangerous concentration dangerous isotopes daughter products decay constants decay products DISCRIMINATOR and MULTIVIBRATOR dN dt energy Equation of form Esterline-Angus chart G-He geometry of 25 give a positive half the maximum instrument J. W. Healy K₂ Livermore Site August long-lived activity maximum permissible daily meter reading molecular filter paper natural activity NATURAL ATMOSPHERIC RADIOACTIVITY Natural Radioactivity Nc^c Nc₁ Nucleonics number of alpha number of atoms number of counts pass all pulses permissible daily dose phototube plutonium positive indication potentiometer radon concentration radon daughters represents the number right-hand low-energy alpha Seax f(x total number uranium warn the operator zero zinc sulphide Ηλ λ λ

Bibliographic information

TitleA Continuous Alpha Air Monitor Compensating for the Natural Atmospheric Radioactivity
AuthorDavid R. Sawle
ContributorLawrence Radiation Laboratory
PublisherUniversity of California Radiation Laboratory, 1955
Original fromthe University of Michigan
DigitizedMay 12, 2011
Length26 pages
  
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