Details

Autor(en) / Beteiligte

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

Titel

Status of the TREX-DM experiment at the Canfranc Underground Laboratory

Ist Teil von

• Journal of physics. Conference series, 2020-01, Vol.1342 (1), p.12091

Ort / Verlag

Bristol: IOP Publishing

Erscheinungsjahr

2020

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• The TREX-DM experiment is conceived to look for low mass WIMPs by means of a gas time projection chamber equipped with novel micromegas readout planes at the Canfranc Underground Laboratory. The detector can hold 20 l of pressurized gas up to 10 bar, which corresponds to 0.30 kg of Ar, or alternatively, 0.16 kg of Ne. The micromegas will be read with a self-triggered acquisition, allowing for effective thresholds below 0.4 keV (electron equivalent). The preliminary background model, following a complete material screening program, points to levels of the order of 1-10 counts keV−1 kg−1 d−1 in the region of interest, making TREX-DM competitive. The status of the commissioning, description of the background model and the corresponding WIMP sensitivity will be presented here.