Random Walk Study of Electron Motion in Helium in Crossed Electromagnetic Fields |
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Page 27
... newton ( 95 G / torr ) . Figure 3. Effect of conditions at start of electron trajectories on mean free time parameter T. Electron energy , Eq . ( 4 ) .4 Eq 27.
... newton ( 95 G / torr ) . Figure 3. Effect of conditions at start of electron trajectories on mean free time parameter T. Electron energy , Eq . ( 4 ) .4 Eq 27.
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... ( 95 G / torr ) . cos 0 ; -0.75 -- . 25 0 1.0 Mean free time parameter , r 2 3 • Asymptotic values at B = 0 Electron ... newton ( 95 G / torr ) . Ratio of magnetic field strength to background pressure , B / p , G / torr ; when azimuthal ...
... ( 95 G / torr ) . cos 0 ; -0.75 -- . 25 0 1.0 Mean free time parameter , r 2 3 • Asymptotic values at B = 0 Electron ... newton ( 95 G / torr ) . Ratio of magnetic field strength to background pressure , B / p , G / torr ; when azimuthal ...
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... newton ( 95 G / torr ) . Symbols denote tallies of distributions of random numbers obtained by using equation ( 35 ) . Dash - dot lines denote numerical integration of equation ( 3 ) . Figure 5. - Cross sections for interaction of ...
... newton ( 95 G / torr ) . Symbols denote tallies of distributions of random numbers obtained by using equation ( 35 ) . Dash - dot lines denote numerical integration of equation ( 3 ) . Figure 5. - Cross sections for interaction of ...
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... newton ( 300 G / torr ) ; average number of collisions predicted by ( c ) Ratio of magnetic field strength to background pressure B / p = 0.71x10 weber per newton ( 95 G / torr ) ; average number of collisions predicted by equation ( 18 ) ...
... newton ( 300 G / torr ) ; average number of collisions predicted by ( c ) Ratio of magnetic field strength to background pressure B / p = 0.71x10 weber per newton ( 95 G / torr ) ; average number of collisions predicted by equation ( 18 ) ...
Common terms and phrases
approximation atoms average number background pressure B/p Collision frequency coordinates cos(wt crossed field configuration cyclotron denote asymptotic values differential scattering cross Diffusion coefficient distribution function Drift velocity elastic collisions electron energy distributions electron motion electron trajectories electron transport coefficients energy exchange equation 18 free time parameter free time period Gaseous Gerald W Inelastic isotropic distribution magnetic field strength mean energy mean random energy MOTION IN HELIUM newton 30 V/cm-torr newton 95 G/torr number of collisions number of steps number of test obtained particles predicted by equation Q₂ R₁ radians Random electron energy random number random walk RW RANDOM WALK STUDY Ratio of magnetic reference 9 scattering angle scattering cross section sin(wt steady state conditions steps per walk strength to background symbols denote asymptotic terminal steady test electrons Townsend ionization coefficient VD,y volt-meter per newton Wb/N weber per newton ωτ