17-22 July 2016
Master Cutlers Hall
Europe/London timezone

Light WIMP search with a high-pressure gaseous TPC: The TREX-DM projec

18 Jul 2016, 16:30
20m
Venue: Cutlers' Main Hall (First Floor); Chair: Hiroyuki Sekiya; Session Manager: Andrew Scarff ()

Venue: Cutlers' Main Hall (First Floor); Chair: Hiroyuki Sekiya; Session Manager: Andrew Scarff

Speaker

Dr. Javier Gracia Garza (Universidad de Zaragoza)

Description

The most appealing Dark Matter particle candidates are Axions and WIMPs. The WIMP lower-mass end (around 10 GeV) is a relatively unexplored parameter space region, lately attracting increasing interest of the community, and potentially within reach of current detector technologies. Exceeding the upper bounds on the WIMP-nucleon spin-independent cross-section at such low masses requires the use of very low-threshold, low-background detectors preferably using light nuclei as target material, while only a moderate exposure is required. TREX-DM is a high-pressure, argon or neon-based gaseous TPC, with Micromegas readouts, that could fulfill such challenging requirements. A detailed description of the experiment´s status will be given, including the prospects for its operation at the Canfranc Underground Laboratory from 2017. The upgrades and challenges that need to be carried out for its underground operation need to be addressed will be presented. Finally, we will show a preliminary background model based on Geant4 plus detector response simulation, and we will derive the projected sensitivity of the experiment.

Primary author

Dr. Javier Gracia Garza (Universidad de Zaragoza)

Co-authors

Dr. F. J. Iguaz (Universidad de Zaragoza) Dr. I. G. Irastorza (Universidad de Zaragoza)

Presentation Materials

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