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The First Series of Test
Apparatus and Experimental Procedure
PRELIMINARY THEORY AND ATTEMPTED EXPLANA
4 other sections not shown
6000 volt beam amperes approximately axis back plate beam current beam dispersion beam electrons Beam Spread Curve beam tubes beam voltage calculations cathode charge density collision considered constant current density curve of Figure cylinder diameter dissertation distance Doctor of Philosophy drift space drift tube effect electron beam electron density electrostatic explanation factor field penetration gas focusing Gauss's law given gradient high vacuum higher voltage indicated integral equation ion core ion density Ion Trap System ion velocity ionization ions formed Klystron leave the beam lower voltage maximum current MESH GRID number of electrons number of ions occur perfect vacuum spread phenomenon plotted positive ions pressure produced radial recombination released electrons shown in Figure solid drift solution space charge Spangenberg Stanford University theoretical theory tion triode tungsten type 45 Universal Beam Spread Universal Curve variation voltage beams volts/cm wall charges