975 citations · 1.9k across the 29 of their papers we have counts for
30 papers
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…
First results of the CAST-RADES haloscope search for axions at 34.67 eV
A. Álvarez Melcón, S. Arguedas Cuendis, J. Baier +56
We present results of the Relic Axion Dark-Matter Exploratory Setup (RADES), a detector which is part of the CERN Axion Solar Telescope (CAST), searching for axion dark matter in t…
First Results on the Search for Chameleons with the KWISP Detector at CAST
S. Arguedas Cuendis, J. Baier, K. Barth +50
We report on a first measurement with a sensitive opto-mechanical force sensor designed for the direct detection of coupling of real chameleons to matter. These dark energy candida…
Improved Search for Solar Chameleons with a GridPix Detector at CAST
V. Anastassopoulos, S. Aune, K. Barth +66
We report on a new search for solar chameleons with the CERN Axion Solar Telescope (CAST). A GridPix detector was used to search for soft X-ray photons in the energy range from 200…
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…
New CAST Limit on the Axion-Photon Interaction
CAST collaboration, V. Anastassopoulos, S. Aune +64
During 2003--2015, the CERN Axion Solar Telescope (CAST) has searched for conversion in the 9 T magnetic field of a refurbished LHC test magnet that can be directed toward…
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…
Exploring 0.1-10eV axions with a new helioscope concept
J. Galán, T. Dafni, E. Ferrer-Ribas +9
We explore the possibility to develop a new axion helioscope type, sensitive to the higher axion mass region favored by axion models. We propose to use a low background large volum…
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…
Search for chameleons with CAST
V. Anastassopoulos, M. Arik, S. Aune +61
In this work we present a search for (solar) chameleons with the CERN Axion Solar Telescope (CAST). This novel experimental technique, in the field of dark energy research, exploit…
New solar axion search in CAST with He filling
M. Arik, S. Aune, K. Barth +60
The CERN Axion Solar Telescope (CAST) searches for conversion in the 9 T magnetic field of a refurbished LHC test magnet that can be directed toward the Sun. Two parallel m…
Lowering the background level and the energy threshold of Micromegas x-ray detectors for axion searches
F. J. Iguaz, S. Aune, F. Aznar +14
Axion helioscopes search for solar axions by their conversion in x-rays in the presence of high magnetic fields. The use of low background x-ray detectors is an essential component…
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…