Looking for Low-Mass WIMPs with TREX-DM

Dafni, Theopisti; Aznar, F.; Coarasa, I.; Ortiz de Solórzano, A.; Galán, J.; Cebrián, S.; Ruiz-Chóliz, E.; Garza, J. G.; Mirallas, H.; Irastorza, I. G.; Iguaz, F. J.; Villar, J. A.; Castel, J. F.; Luzón, G.

Report/Contribution to a conference proceedings/Contribution to a book

PUBDB-2018-01755

Looking for Low-Mass WIMPs with TREX-DM

Dafni, T. ; Aznar, F. ; Castel, J. F. ; Cebrián, S. ; Coarasa, I. ; Galán, J. ; Garza, J. G. ; Iguaz, F. J. ; Irastorza, I. G. ; Luzón, G. ; Mirallas, H. ; Ortiz de Solórzano, A. ; Ruiz-Chóliz, E. ; Villar, J. A.

2018
Verlag Deutsches Elektronen-Synchrotron Hamburg
ISBN: 978-3-945931-17-2

Dafni, Theopisti "Looking for Low-Mass WIMPs with TREX-DM" in Proceedings of the 13th "Patras" Workshop on Axions, WIMPs and WISPs, PATRAS 2017 / Maroudas, Marios (eds.), Verlag Deutsches Elektronen-Synchrotron : 2018 ; Patras 2017 : 13th Patras Workshop on Axions, WIMPs and WISPs, 2017-05-15 - 2017-05-19, Thessaloniki
13th Patras Workshop on Axions, WIMPs and WISPs, AXION-WIMP 2017, Thessaloniki, Greece, 15 May 2017 - 19 May 2017 Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-PROC 122-125 (2018) [10.3204/DESY-PROC-2017-02/dafni_theopisti]

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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2017-02/dafni_theopisti

Report No.: DESY-PROC-2017-02

Abstract: TREX-DM is a low-mass WIMP detector: a gas time projection chamber (TPC) equipped with novel micromesh gas structures (Micromegas) readout planes. In the fiducial volume of $\sim$20 litres and a pressure of 10$\;$bar, there will be approx. 0.160$\;$kg of Ne, or alternatively 0.300$\;$kg of Ar. The energy threshold foreseen is well below 0.4~keVee and the expected background level is better than 10 counts keV$^{-1}$kg$^{-1}$d$^{-1}$, and could give competitive results in the search for low-mass WIMPs. The experiment has recently been approved by the Laboratorio Subterráneo de Canfranc and is expected to be commissioned by the end of the current year. We report on the status of the project.

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