The ArDM Liquid Argon Time Projection Chamber at the Canfranc Underground Laboratory: a ton-scale detector for Dark Matter Searches
ArDM Collaboration: J.Calvo (1), C.Cantini (2), P.Crivelli (2),, M.Daniel (1), S. DiLuise (2), A. Gendotti (2), S.Horikawa (2), B. Montes (1),, W. Mu (2), S. Murphy (2), G. Natterer (2), K. Ngyuen (2), L. Periale (2), Y., Quan (2), B. Radics (2), C. Regenfus (2), L. Romero (1)
TL;DR
The ArDM experiment employs a ton-scale liquid argon TPC at the Canfranc Underground Laboratory to detect dark matter particles, demonstrating stable operation and promising sensitivity for WIMP searches.
Contribution
This work presents the first underground deployment and commissioning results of a large-scale liquid argon TPC for dark matter detection.
Findings
Stable detector performance confirmed during initial run
Successful underground installation at Canfranc
First data demonstrating detector readiness
Abstract
The Argon Dark Matter (ArDM) experiment consists of a liquid argon (LAr) time projection chamber (TPC) sensitive to nuclear recoils resulting from scattering of hypothetical Weakly Interacting Massive Particles (WIMPs) on argon targets. With an active target of 850 kg, ArDM represents an important milestone in the quest for Dark Matter with LAr. We present the experimental apparatus currently installed underground at the Laboratorio Subterraneo de Canfranc (LSC), Spain. We show first data recorded during a single-phase commissioning run in 2015 (ArDM Run I), which overall confirm the good and stable performance of the ton-scale LAr detector.
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