Abstract
Absolute doubly differential electron emission yields from thin films of amorphous solid water (ASW) following the transmission of 6-MeV protons and 1-MeV/u fluorine ions are presented. The ASW films were condensed on a cryogenic 1-μm copper foil substrate held at 40 K. The absolute doubly differential yields are compared to results from Monte Carlo track structure simulations for electron transport in liquid water. The model shows good agreement with the experimental data for electron energies greater than approximately 50 eV, but tends to overestimate the yields of low-energy electrons.
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