Transcribe
Translate
James Van Allen journal, 1951?-December 1954
Page 139
More information
digital collection
archival collection guide
transcription tips
27 January 1954 General ideas for future research at Iowa (a) Li, Be, Boron, using ionization chambers in rockets, -- Xenon chamber with "false wall" of screen wire to reduce star rate. Can be done at (lambda) = 40 degrees to 50 degrees [sketch/picture] drawing of and around globe including: stars, +100, [+10??] [Block? Black?] prongs stopped before reaching active volume! (Pressure several atmospheres). Idea can be tested at balloon altitudes. Xe suggested by R. A. Ellis because of 21.4 volts/cm [pair?] 24.9 for Argon ? Perhaps not sound: -- i.e., if gas pressure sufficient to stop star fragments, isn't it likewise a generator of stars. -- Being heavier probably larger stars! How about same idea with Hyshogen? No stars! (or perhaps Helium) Ratio of nuclear cross-section/ionization cross-section ?
Saving...
prev
next
27 January 1954 General ideas for future research at Iowa (a) Li, Be, Boron, using ionization chambers in rockets, -- Xenon chamber with "false wall" of screen wire to reduce star rate. Can be done at (lambda) = 40 degrees to 50 degrees [sketch/picture] drawing of and around globe including: stars, +100, [+10??] [Block? Black?] prongs stopped before reaching active volume! (Pressure several atmospheres). Idea can be tested at balloon altitudes. Xe suggested by R. A. Ellis because of 21.4 volts/cm [pair?] 24.9 for Argon ? Perhaps not sound: -- i.e., if gas pressure sufficient to stop star fragments, isn't it likewise a generator of stars. -- Being heavier probably larger stars! How about same idea with Hyshogen? No stars! (or perhaps Helium) Ratio of nuclear cross-section/ionization cross-section ?
Van Allen Papers
sidebar
