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Electron- and proton-induced ionization of pyrimidine

  • Christophe ChampionEmail author
  • Michele A. Quinto
  • Philippe F. Weck
Regular Article
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  1. Topical Issue: COST Action Nano-IBCT: Nano-scale Processes Behind Ion-Beam Cancer Therapy

Abstract

The present work describes a quantum-mechanically based model of the electron- and proton-induced ionization of isolated pyrimidine molecules. The impact energies range from the target ionization threshold up to ∼1 keV for electrons and from 10 keV up to 10 MeV for protons. The cross-section calculations are performed within the 1st Born approximation in which the ejected electron is described by a Coulomb wave whereas the incident and the scattered projectiles are both described by plane waves. The pyrimidine target is described using the Gaussian 09 software package. The theoretical predictions obtained are in good agreement with experimental absolute total cross sections, while large discrepancies are observed between existing semi-empirical models and the present calculations.

Graphical abstract

Keywords

Pyrimidine Total Cross Section Ionization Cross Section Incident Electron Energy Maximal Cross Section 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Christophe Champion
    • 1
    Email author
  • Michele A. Quinto
    • 1
  • Philippe F. Weck
    • 2
  1. 1.CNRS/IN2P3, Centre d’Études Nucléaires de Bordeaux GradignanUniversité de BordeauxGradignan CedexFrance
  2. 2.Sandia National LaboratoriesAlbuquerqueUSA

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