Ioanis Giomataris

Publication List Details

Period

1980 - 2007

Number

50

Co-Authors

The Micromegas detector of the CAST experiment (2007)

Abbon, P, Andriamonje, Samuel A, Aune, S, Dafni, T, Davenport, M, De Oliveira, R, ...

A low background Micromegas detector has been operating in the CAST experiment at CERN for the search of solar axions during the first phase of the experiment (2002-2004). The detector, made out of...

An improved limit on the axion-photon coupling from the CAST experiment (2007)

Andriamonje, Samuel A, Aune, S, Autiero, D, Barth, K, Belov, A, Beltran, B, ...

We have searched for solar axions or similar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) setup with improved conditions in all detectors. From the absence of...

Prospects for the CERN Axion Solar Telescope Sensitivity to 14.4 keV Axions (2006)

Jakovcic, K, Andriamonje, Samuel A, Aune, S, Avignone, F T, Barth, K, Belov, A, ...

The CERN Axion Solar Telescope (CAST) is searching for solar axions using the 9.0 T strong and 9.26 m long transverse magnetic field of a twin aperture LHC test magnet, where axions could be...

A low background Micromegas detector for the CAST experiment (2005)

Abbon, P, Andriamonje, Samuel A, Aune, S, Besin, D, Cazaux, S, Contrepois, P, ...

A low background Micromegas detector has been operating on the CAST experiment at CERN for the search of solar axions during the first phase of the experiment (2002-2004). The detector operated...

An electron-multiplying "Micromegas" grid made in silicon wafer post-processing technology (2005)

Chefdeville, M, Colas, P, Giomataris, Ioanis, Heijne, Erik H M, ...

A technology for manufacturing an aluminium grid onto a silicon wafer has been developed. The grid is fixed parallel and precisely to the wafer (anode) surface at a distance of 50 \mum by means of...

Search for solar axions: the CAST experiment at CERN (2005)

Beltran, B, Andriamonje, Samuel A, Arsov, V, Aune, S, Autiero, D, Avignone, F T, ...

Hypothetical axion-like particles with a two-photon interaction would be produced in the sun by the Primakoff process. In a laboratory magnetic field they would be transformed into X-rays with...

Micromegas in a bulk (2005)

Giomataris, Ioanis, De Oliveira, R, Andriamonje, Samuel A, Aune, S, Charpak, Georges, Colas, P, ...

In this paper we present a novel way to manufacture the bulk Micromegas detector. A simple process based on the PCB (Printed Circuit Board) technology is employed to produce the entire sensitive...

The detection of single electrons by means of a Micromegas-covered MediPix2 pixel CMOS readout circuit (2004)

Campbell, M, Chefdeville, M, Colas, P, Colijn, A P, Fornaini, A, Giomataris, Ioanis, ...

A small drift chamber was read out by means of a MediPix2 readout chip as direct anode. A micromegas foil was placed 50 µm above the chip, and electron multiplication occured in the gap. With a...

First results from the CERN Axion Solar Telescope (CAST) (2004)

Andriamonje, Samuel A, Arsov, V, Aune, S, Autiero, D, Barth, K, Belov, A, ...

Hypothetical axion-like particles with a two-photon interaction would be produced in the Sun by the Primakoff process. In a laboratory magnetic field (``axion helioscope'') they would be transformed...

Low-background applications of MICROMEGAS detector technology (2000)

Collar, J I, Giomataris, Ioanis

The MICROMEGAS detector concept, generally optimized for use in accelerator experiments, displays a peculiar combination of features that can be advantageous in several astroparticle and neutrino...

Micromegas: a high-granularity position-sensitive gaseous detector for high particle-flux environments (1996)

Giomataris, Ioanis, Rebourgeard, P C, Robert, J P, Charpak, Georges

We describe a novel structure for a gaseous detector that is under development at Saclay. It consists of a two-stage parallel-plate avalanche chamber of small amplification gap (100 microm) combined...