Spur energy distributions in liquid water using a generalized oscillator strength from inelastic X-ray scattering measurements

Abstract

The present paper utilizes the currently most accurate and complete generalized oscillator strength (GOS), determined experimentally using synchrotron X-rays, in constructing the spur energy distribution in liquid water. This replaces the earlier approximate evaluation using UV reflection and requiring long and uncertain extrapolation.Normalized distribution is provided as histograms of 5eV bins up to 100eV of energy loss for different incident electron energies. Certain other related quantities are also computed. These include the effective number of electrons receiving energy transfer, mean excitation potential and its effective value as a function of incident electron energy. This paper gives the results for first collision that is for the differential track, which is close to the integrated track result for high incident energy, as shown in some earlier calculations. On the whole, some earlier computations, but not all are approximately verified.