Double strand breaks in DNA resulting from double ionization events
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A mechanism of double strand breaking in DNA due to the action of two electrons is considered. These are the electrons produced in the vicinity of DNA molecules due to ionization of water molecules with a consecutive emission of two electrons, making such a mechanism possible. The transport of secondary electrons, including the additional electrons, is studied in relation to the assessment of radiation damage due to incident ions. This work is a stage in the inclusion of double ionization events into the multiscale approach to ion-beam cancer therapy.