Ab-initio electron scattering cross-sections and transport in liquid xenon
Abstract
Ab-initio electron - liquid phase xenon fully differential cross-sections for electrons scattering in liquid xenon are developed from a solution of the Dirac-Fock scattering equations, using a recently developed framework [1] which considers multipole polarizabilities, a non-local treatment of exchange, and screening and coherent scattering effects. A multi-term solution of Boltzmann's equation accounting for the full anisotropic nature of the differential cross-section is used to calculate transport properties of excess electrons in liquid xenon. The results were found to agree to within 25% of the measured mobilities and characteristic energies over the reduced field range of 10^{-4} to 1 Td. The accuracies are comparable to those achieved in the gas phase. A simple model, informed by highly accurate gas-phase cross-sections, is presented to transform highly accurate gas-phase cross-sections to improve the liquid cross-sections, which was found to enhance the accuracy of the transport coefficient calculations.
Keywords
Cite
@article{arxiv.1603.04157,
title = {Ab-initio electron scattering cross-sections and transport in liquid xenon},
author = {Greg Boyle and Robert McEachran and Daniel Cocks and Michael Brunger and Steve Buckman and Sasa Dujko and Ron White},
journal= {arXiv preprint arXiv:1603.04157},
year = {2016}
}
Comments
26 pages, 9 figures. arXiv admin note: text overlap with arXiv:1503.00377