Effect of Low Electric Fields on Alpha Scintillation Light Yield in Liquid Argon
arXiv:1611.00241 · doi:10.1088/1748-0221/12/01/P01021
Abstract
Measurements were made of scintillation light yield of alpha particles from the $^{222}$Rn decay chain within the DarkSide-50 liquid argon time projection chamber. The light yield was found to increase as the applied electric field increased, with alphas in a 200 V/cm electric field exhibiting a 2% increase in light yield compared to alphas in no field.
5 pages, 5 figures