Charge Distribution about an Ionizing Electron Track in Liquid Helium

Abstract

The dependence on an applied electric field of the ionization current produced by an energetic electron stopped in liquid helium can be used to determine the spatial distribution of secondary electrons with respect to their geminate partners. An analytic expression relating the current and distribution is derived. The distribution is found to be non-Gaussian with a long tail at larger distances.

9 pages, 5 figures, submitted to Phys. Rev. C

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• Scintillation of Liquid Helium for Low-Energy Nuclear Recoils
• Potential for Precision Measurement of Solar Neutrino Luminosity by HERON

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