Embedded Files
Simulations
Simulations
Background dominated by cosmics induced neutrons
New shielding strategies under construction
IAXO-D0 demonstrator
IAXO-D0 demonstrator
Fully covered by plastic scintillators as active muon veto
Lowest background at surface level 8.6 x10-7counts keV-1cm-2s-1
IAXO-D1 demonstrator at LSC
IAXO-D1 demonstrator at LSC
State of the art in low background techniques
Record background levels 10-7counts keV-1cm-2s-1
New Micromegas architectures
New Micromegas architectures
GEM (Gas Electron Multiplier) pre-amplification stage
Gain factors up to 100 (50 eV threshold)
Installed in the TREX-DM experiment
Publications
Publications
CAST Collaboration, New Upper Limit on the Axion-Photon Coupling with an Extended CAST Run with a Xe-Based Micromegas Detector. Phys. Rev. Lett., 133(22):221005, 2024. DOI: 10.1103/PhysRevLett.133.221005.
K. Altenmüller et al., Background discrimination with a Micromegas detector prototype and veto system for BabyIAXO, Frontiers in Physics 12, 2024, DOI: 10.3389/fphy.2024.1384415 arXiv:2403.06316
J.P. Castel et al., Micromegas with GEM preamplification for enhanced energy threshold in low-background gaseous time projection chambers, Open Research Europe 5, 2025, DOI: 10.12688/openreseurope.19258.1
E. Ferrer-Ribas et al, Ultra low background Micromegas detectors for BabyIAXO solar axion search, JINST 18 C10003, 2023, DOI: 10.1088/1748-0221/18/10/C10003 arXiv:2303.15028
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