Author: Montoya Soto, G.R.
Paper Title Page
WEPAB105 Simulating Electron Impact Ionization Using a General Particle Tracer (GPT) Custom Element 2843
 
  • J.T. Yoskowitz, G.A. Krafft
    ODU, Norfolk, Virginia, USA
  • J.M. Grames
    JLab, Newport News, Virginia, USA
  • G.R. Montoya Soto
    Universidad de Guanajuato, División de Ciencias e Ingenierías, León, Mexico
  • C.A. Valerio
    ECFM-UAS, Culiacan, Sinaloa, Mexico
  • S.B. van der Geer
    Pulsar Physics, Eindhoven, The Netherlands
 
  Funding: U.S. Department of Energy, Office of Science, Office of Nuclear Physics under contract DE-AC05-06OR23177, Consejo Nacional de Ciencia y Tecnología (CONACYT).
A new C++ custom element has been developed with the framework of General Particle Tracer (GPT) to simulate electron impact ionization of residual gas molecules. The custom element uses Monte-Carlo routines to determine both the ion production rate and the secondary electron kinetic energy based on user-defined gas densities and theoretical values for the ionization cross section and the secondary electron differential cross section. It then uses relativistic kinematics to track the secondary electron, the scattered electron, and the newly formed ion after ionization. The ion production rate and the secondary electron energy distribution determined by the custom element have been benchmarked against theoretical calculations and against simulations made using the simulation package IBSimu. While the custom element was originally built for particle accelerator simulations, it is readily extensible to other applications. The custom element will be described in detail and examples of applications at the Thomas Jefferson National Accelerator Facility will be presented for ion production in a DC high voltage photo-gun.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-WEPAB105  
About • paper received ※ 20 May 2021       paper accepted ※ 25 June 2021       issue date ※ 19 August 2021  
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