Gas Gains Over 10${}^4$ and Optimisation using ${}^{55}$Fe X-rays in Low Pressure SF${}_6$ with a Novel Multi-Mesh ThGEM for Directional Dark Matter Searches

A. G. McLean, N. J. C. Spooner, T. Crane +4

The Negative Ion Drift (NID) gas SF${}_6$ has favourable properties for track reconstruction in directional Dark Matter (DM) searches utilising low pressure gaseous Time Projection C…