242 citations · 808 across the 35 of their papers we have counts for
37 papers
Improvement and assessment of the radiopurity of Micromegas readout planes
Juan Castel, Susana Cebrian, Theopisti Dafni +17
Micromesh Gas Structures (Micromegas) as readout of gaseous Time Projection Chambers (TPCs) are being considered in experiments investigating rare phenomena, like the nuclear doubl…
Low-energy threshold demonstration for dark matter searches in TREX-DM with an Ar source produced at CNA HiSPANoS
J. Castel, S. Cebrián, T. Dafni +16
We report on the successful implementation of an Ar calibration source in the TREX-DM detector, a high-pressure time projection chamber designed for low-mass dark matter sea…
Spatial resolution studies with the BabyIAXO Micromegas prototype
A. Quintana, J. Castel, S. Cebrián +20
The spatial resolution of the Micromegas prototype developed for the BabyIAXO experiment was evaluated using a low-energy X-ray beam at the SOLEIL synchrotron facility. BabyIAXO, c…
Search for solar axions produced through the axion-electron coupling using a new GridPix detector at CAST
K. Altenmüller, V. Anastassopoulos, S. Arguedas-Cuendis +61
We present a search for solar axions produced through the axion-electron coupling using data from a novel 7-GridPix detector installed at the CERN Axion Solar Telescope…
The International Axion Observatory (IAXO): case, status and plans. Input to the European Strategy for Particle Physics
A. Arcusa, S. Ahyoune, K. Altenmuller +120
The International Axion Observatory (IAXO) is a next-generation axion helioscope designed to search for solar axions with unprecedented sensitivity. IAXO holds a unique position in…
Development of large Micromegas readout planes for experiments searching for rare events
Hector Mirallas
The use of Time Projection Chambers (TPCs) in particle physics experiments has been growing since their invention, reaching sizes equivalent to buildings (ALICE or ATLAS at CERN).…
An accurate solar axions ray-tracing response of BabyIAXO
S. Ahyoune, K. Altenmueller, I. Antolin +124
BabyIAXO is the intermediate stage of the International Axion Observatory (IAXO) to be hosted at DESY. Its primary goal is the detection of solar axions following the axion heliosc…
A new upper limit on the axion-photon coupling with an extended CAST run with a Xe-based Micromegas detector
CAST Collaboration, K. Altenmüller, V. Anastassopoulos +62
Hypothetical axions provide a compelling explanation for dark matter and could be emitted from the hot solar interior. The CERN Axion Solar Telescope (CAST) has been searching for…
Daily modulations and broadband strategy in axion searches. An application with CAST-CAPP detector
F. Caspers, C. M. Adair, K. Altenmüller +60
It has been previously advocated that the presence of the daily and annual modulations of the axion flux on the Earth's surface may dramatically change the strategy of the axion se…
Using Micromegas detectors for direct dark matter searches: challenges and perspectives
K. Altenmueller, . Antolin, D. Calvet +27
Gas time projection chambers (TPCs) with Micromegas pixelated readouts are being used in dark matter searches and other rare event searches, due to their potential in terms of low…
Background discrimination with a Micromegas detector prototype and veto system for BabyIAXO
K. Altenmüller, J. F. Castel, S. Cebrián +22
In this paper we present measurements performed with a Micromegas X-ray detector setup. The detector is a prototype in the context of the BabyIAXO helioscope, which is under constr…
Ultra low background Micromegas detectors for BabyIAXO solar axion search
E. Ferrer-Ribas, K. Altenmüller, B. Biasuzzi +27
The International AXion Observatory (IAXO) is a large scale axion helioscope that will look for axions and axion-like particles produced in the Sun with unprecedented sensitivity.…
Purification Efficiency and Radon Emanation of Gas Purifiers used with Pure and Binary Gas Mixtures for Gaseous Dark Matter Detectors
K., Altenmüller, J. F. Castel +22
Rare event searches require extreme radiopurity in all detector components. This includes the active medium, which in the case of gaseous detectors, is the operating gas. The gases…
Search for Dark Matter Axions with CAST-CAPP
C. M. Adair, K. Altenmüller, V. Anastassopoulos +61
The CAST-CAPP axion haloscope, operating at CERN inside the CAST dipole magnet, has searched for axions in the 19.74 eV to 22.47 eV mass range. The detection concept follows…
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…
Recoil imaging for directional detection of dark matter, neutrinos, and physics beyond the Standard Model
C. A. J. O'Hare, D. Loomba, K. Altenmüller +164
Recoil imaging entails the detection of spatially resolved ionization tracks generated by particle interactions. This is a highly sought-after capability in many classes of detecto…
AlphaCAMM, a Micromegas-based camera for high-sensitivity screening of alpha surface contamination
Konrad Altenmüller, Juan F. Castel, Susana Cebrián +12
Surface contamination of Rn progeny from the U natural decay chain is one of the most difficult background contributions to measure in rare event searches experimen…
REST-for-Physics, a ROOT-based framework for event oriented data analysis and combined Monte Carlo response
Konrad Altenmüller, Susana Cebrián, Theopisti Dafni +19
The REST-for-Physics (Rare Event Searches Toolkit for Physics) framework is a ROOT-based solution providing the means to process and analyze experimental or Monte Carlo event data.…
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…
Conceptual Design of BabyIAXO, the intermediate stage towards the International Axion Observatory
A. Abeln, K. Altenmüller, S. Arguedas Cuendis +123
This article describes BabyIAXO, an intermediate experimental stage of the International Axion Observatory (IAXO), proposed to be sited at DESY. IAXO is a large-scale axion heliosc…
The TREX-DM experiment at the Canfranc Underground Laboratory
J Castel, S Cebrián, T Dafni +8
TREX-DM (TPC Rare Event eXperiment for Dark Matter) is intended to look for low mass WIMPs in the Canfranc Underground Laboratory (LSC) in Spain, using light elements (Ne, Ar) as t…
Physics potential of the International Axion Observatory (IAXO)
E. Armengaud, D. Attie, S. Basso +88
We review the physics potential of a next generation search for solar axions: the International Axion Observatory (IAXO). Endowed with a sensitivity to discover axion-like particle…
Topological background discrimination in the PandaX-III neutrinoless double beta decay experiment
J Galan, X Chen, H Du +62
The PandaX-III experiment plans to search for neutrinoless double beta decay (0) of Xe in the China JinPing underground Laboratory (CJPL). The experiment will use a hi…
Background assessment for the TREX Dark Matter experiment
J. Castel, S. Cebrian, I. Coarasa +8
TREX-DM is conceived to look for low-mass Weakly Interacting Massive Particles (WIMPs) using a gas Time Projection Chamber equipped with micromegas readout planes at the Canfranc U…