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James Van Allen journal, 1951?-December 1954
Page 27
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Need for data at P [fotyer?] max. on [sketch/picture] empty graph of j versus (telescope wall thickness) ----- Ties in with my specific ionization ideas ([Neher?]) ------------------------------------------------------------------------ Appleton and Builder Proceedings of Phys. Society 45, page 203 (1933). Fundamental Paper on Ionosphere [Tonks? Tooks?] and Langmuir Phys. Review 33, page 195 (1929) Plasma oscillations --------------------------------------------------------------------- Permissible dose of gamma-rays or x-rays 0.3 r / week National Bureau of Standards, Handbooks #41 and #42 and forthcoming publications ---------------------------------------------------------------------- Use of crystal scintillation counter for cosmic ray ion chamber -- very sensitive -- (absoluteness?) --------------------------------------------------------------------- 500 ions / cc / second / [atm ro air?] = ((500)(4.8 x (10 exponent -10))(86,400)) = 0.02 r / day
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Need for data at P [fotyer?] max. on [sketch/picture] empty graph of j versus (telescope wall thickness) ----- Ties in with my specific ionization ideas ([Neher?]) ------------------------------------------------------------------------ Appleton and Builder Proceedings of Phys. Society 45, page 203 (1933). Fundamental Paper on Ionosphere [Tonks? Tooks?] and Langmuir Phys. Review 33, page 195 (1929) Plasma oscillations --------------------------------------------------------------------- Permissible dose of gamma-rays or x-rays 0.3 r / week National Bureau of Standards, Handbooks #41 and #42 and forthcoming publications ---------------------------------------------------------------------- Use of crystal scintillation counter for cosmic ray ion chamber -- very sensitive -- (absoluteness?) --------------------------------------------------------------------- 500 ions / cc / second / [atm ro air?] = ((500)(4.8 x (10 exponent -10))(86,400)) = 0.02 r / day
Van Allen Papers
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