975 citations · 1.9k across the 29 of their papers we have counts for
21 papers · 1 filter
Microbulk Micromegas in non-flammable mixtures of argon and neon at high pressure
F. J. Iguaz, T. Dafni, C. Canellas +7
We report on a systematic characterization of microbulk Micromegas readouts in high-pressure Ar+1%iC4H10 and Ne+2%iC4H10 mixtures. Experimental data on gain, electron transmission…
Cosmogenic production of tritium in dark matter detectors
J. Amare, J. Castel, S. Cebrian +19
The direct detection of dark matter particles requires ultra-low background conditions at energies below a few tens of keV. Radioactive isotopes are produced via cosmogenic activat…
Readout technologies for directional WIMP Dark Matter detection
J. B. R. Battat, I. G. Irastorza, A. Aleksandrov +90
The measurement of the direction of WIMP-induced nuclear recoils is a compelling but technologically challenging strategy to provide an unambiguous signature of the detection of Ga…
The potential of discrimination methods in a high pressure xenon TPC for the search of the neutrinoless double-beta decay of Xe-136
F. J. Iguaz, F. Aznar, J. F. Castel +8
In the search for the neutrinoless double beta decay of Xe, a high pressure xenon time projection chamber (HPXe-TPC) has two advantages over liquid xenon TPCs: a better ene…
Micromegas for dark matter searches: CAST/IAXO & TREX-DM
J. G. Garza, S. Aune, J. F. Castel +14
The most compelling candidates for Dark Matter to day are WIMPs and axions. The applicability of gasesous Time Projection Chambers (TPCs) with Micromesh Gas Structures (Micromegas)…
TREX-DM: a low background Micromegas-based TPC for low-mass WIMP detection
F. J. Iguaz, J. G. Garza, F. Aznar +8
Dark Matter experiments are recently focusing their detection techniques in low-mass WIMPs, which requires the use of light elements and low energy threshold. In this context, we d…
Gaseous time projection chambers for rare event detection: Results from the T-REX project. I. Double beta decay
I. G. Irastorza, F. Aznar, J. Castel +13
As part of the T-REX project, a number of R&D and prototyping activities have been carried out during the last years to explore the applicability of gaseous Micromegas-read TPCs in…
Gaseous time projection chambers for rare event detection: Results from the T-REX project. II. Dark matter
I. G. Irastorza, F. Aznar, J. Castel +13
As part of the T-REX project, a number of R&D and prototyping activities have been carried out during the last years to explore the applicability of Micromegas-read gaseous TPCs in…
TREX-DM: a low-background Micromegas-based TPC for low-mass WIMP detection
F. J. Iguaz, J. G. Garza, F. Aznar +8
If Dark Matter is made of Weakly Interacting Massive Particles (WIMPs) with masses below 20 GeV, the corresponding nuclear recoils in mainstream WIMP experiments are of energ…
A Micromegas-based low-background x-ray detector coupled to a slumped-glass telescope for axion research
F. Aznar, J. Castel, F. E. Christensen +18
We report on the design, construction and operation of a low background x-ray detection line composed of a shielded Micromegas (micromesh gaseous structure) detector of the microbu…
Comissioning of TREX-DM, a low background Micromegas-based Time Projection Chamber for low mass WIMP detection
F. J. Iguaz, J. G. Garza, F. Aznar +8
Dark Matter experiments are recently focusing their detection techniques in low-mass WIMPs, which requires the use of light elements and low energy threshold. In this context, we d…
Lessons from the operation of the "Penning-Fluorescent" TPC and prospects
Diego Gonzalez-Diaz, F. Aznar, J. Castel +15
We have recently reported the development of a new type of high-pressure Xenon time projection chamber operated with an ultra-low diffusion mixture and that simultaneously displays…
TREX-DM: a low background Micromegas-based TPC for low mass WIMP detection
F. J. Iguaz, J. G. Garza, F. Aznar +11
Dark Matter experiments are recently focusing their detection techniques in low-mass WIMPs, which requires the use of light elements and low energy threshold. In this context, we p…
Low Background Micromegas in CAST
J. G. Garza, S. Aune, D. Calvet +22
Solar axions could be converted into x-rays inside the strong magnetic field of an axion helioscope, triggering the detection of this elusive particle. Low background x-ray detecto…
Conceptual Design of the International Axion Observatory (IAXO)
E. Armengaud, F. T. Avignone, M. Betz +85
The International Axion Observatory (IAXO) will be a forth generation axion helioscope. As its primary physics goal, IAXO will look for axions or axion-like particles (ALPs) origin…
X-ray detection with Micromegas with background levels below 10 keVcms
S. Aune, F. Aznar, D. Calvet +26
Micromegas detectors are an optimum technological choice for the detection of low energy x-rays. The low background techniques applied to these detectors yielded remarkable backgro…
Low background x-ray detection with Micromegas for axion research
S. Aune, J. F. Castel, T. Dafni +23
Axion helioscopes aim at the detection of solar axions through their conversion into x-rays in laboratory magnetic fields. The use of low background x-ray detectors is an essential…
IAXO - The International Axion Observatory
J. K. Vogel, F. T. Avignone, G. Cantatore +61
The International Axion Observatory (IAXO) is a next generation axion helioscope aiming at a sensitivity to the axion-photon coupling of a few 10^{-12} GeV^{-1}, i.e. 1-1.5 orders…
CAST microbulk micromegas in the Canfranc Underground Laboratory
A. Tomás, S. Aune, T. Dafni +19
During the last taking data campaigns of the CAST experiment, the micromegas detectors have achieved background levels of keVcms betw…
Low X-ray bakground measurements at the Underground Canfranc Laboratory
J. Galan, S. Aune, T. Dafni +19
Micromegas detectors, thanks to the good spatial and temporal discrimination capabilities, are good candidates for rare event search experiments. Recent X-ray background levels ach…
Status of R&D on Micromegas for Rare Event Searches: The T-REX project
I. G. Irastorza, J. Castel, S. Cebrián +24
The T-REX project aims at developing novel readout techniques for Time Projection Chambers in experiments searching for rare events. The enhanced performance of the latest Micromeg…