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First background-free limit from a directional dark matter experiment: results from a fully fiducialised DRIFT detector
J. B. R. Battat, J. Brack, E. Daw +28
The addition of O2 to gas mixtures in time projection chambers containing CS2 has recently been shown to produce multiple negative ions that travel at slightly different velocities…
First Results from the DarkSide-50 Dark Matter Experiment at Laboratori Nazionali del Gran Sasso
P. Agnes, T. Alexander, A. Alton +143
We report the first results of DarkSide-50, a direct search for dark matter operating in the underground Laboratori Nazionali del Gran Sasso (LNGS) and searching for the rare nucle…
Radon in the DRIFT-II directional dark matter TPC: emanation, detection and mitigation
J. B. R. Battat, J. Brack, E. Daw +26
Radon gas emanating from materials is of interest in environmental science and also a major concern in rare event non-accelerator particle physics experiments such as dark matter a…
Background Assay and Rejection in DRIFT
Jeff Brack, Ed Daw, Alexei Dorofeev +22
The DRIFT-IId dark matter detector is a m-scale low-pressure TPC with directional sensitivity to WIMP-induced nuclear recoils. Its primary backgrounds were due to alpha decays…