The Directional Dark Matter Detector
S. E. Vahsen, H. Feng, M. Garcia-Sciveres, I. Jaegle, J. Kadyk, Y., Nguyen, M. Rosen, S. Ross, T. Thorpe, J. Yamaoka

TL;DR
This paper discusses the development of a gas-filled TPC with GEMs and pixels for directional dark matter detection, aiming to distinguish low-mass WIMP signals from background.
Contribution
It introduces a scalable 1-m^3 directional dark matter detector, \\dcube, and outlines its potential for low-mass WIMP searches and background discrimination.
Findings
Prototype work demonstrates feasibility of the technology.
Development path toward an affordable, large-scale detector.
Potential to clarify signals observed by other experiments.
Abstract
Gas-filled Time Projection Chambers (TPCs) with Gas Electron Multipliers (GEMs) and pixels appear suitable for direction-sensitive WIMP dark matter searches. We present the background and motivation for our work on this technology, past and ongoing prototype work, and a development path towards an affordable, 1--scale directional dark matter detector, \dcube. Such a detector may be particularly suitable for low-mass WIMP searches, and perhaps sufficiently sensitive to clearly determine whether the signals seen by DAMA, CoGeNT, and CRESST-II are due to low-mass WIMPs or background.
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