Improved Bethe approximation for electron-ion impact ionization

1977 ◽  
Vol 62 (5) ◽  
pp. 310-312 ◽  
Author(s):  
Yukap Hahn
Keyword(s):  
Impact Ionization ◽  
Bethe Approximation ◽  
Ion Impact

Optical emission of GeF+4(D̃) produced by ion impact ionization of GeF4

1987 ◽  
Vol 140 (4) ◽  
pp. 434-439 ◽  
Author(s):  
H. Van Lonkhuyzen ◽  
J.F.M. Aarts
Keyword(s):  
Impact Ionization ◽  
Optical Emission ◽  
Ion Impact

scholarly journals Effect of Recombination between a Molecular Ion and an Electron on Radial Dose in the Irradiation of a Heavy Ion

2016 ◽  
Vol 8 (1) ◽  
pp. 138
Author(s):  
Kengo Moribayashi
Keyword(s):  
Electric Field ◽  
Free Electron ◽  
Impact Ionization ◽  
Heavy Ion ◽  
Molecular Ions ◽  
Free Electrons ◽  
Trapped Electrons ◽  
Molecular Ion ◽  
Ion Impact ◽  
Radial Dose

<p class="1Body">This paper discusses the effect of recombination between a molecular ion and a free electron on radial dose in the irradiation of a heavy ion through simulations. This irradiation produces molecular ions and free electrons due to the heavy ion impact ionization. The composition electric field, which is formed from these molecular ions, traps some of free electrons and these trapped free electrons increase radial dose near the heavy ion path. These trapped electrons also cause the recombination and that the recombination enhances radial dose.</p>

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