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The large inner Micromegas modules for the Atlas Muon Spectrometer Upgrade: construction, quality control and characterization
/ Allard, J. (IRFU, Saclay) ; Andari, N. (IRFU, Saclay) ; Anfreville, M. (IRFU, Saclay) ; Attié, D. (IRFU, Saclay) ; Aubernon, E. (IRFU, Saclay) ; Aune, S. (IRFU, Saclay) ; Bachacou, H. (IRFU, Saclay) ; Balli, F. (IRFU, Saclay) ; Bauer, F. (IRFU, Saclay) ; Beltramelli, J. (IRFU, Saclay) et al.
The steadily increasing luminosity of the LHC requires an upgrade with high-rate and high-resolution detector technology for the inner end cap of the ATLAS muon spectrometer: the New Small Wheels (NSW). In order to achieve the goal of precision tracking at a hit rate of about 15 kHz/cm$^2$ at the inner radius of the NSW, large area Micromegas quadruplets with 100 \microns spatial resolution per plane have been produced. [...]
arXiv:2105.13709.-
2022-03-01 - 43 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1026 (2022) 166143
Fulltext: 1-s2.0-S0168900221010330-main - PDF; 2105.13709 - PDF;
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Micromegas in CAST and prospects
/ Abbon, P (IRFU, Saclay) ; Andriamonje, S (IRFU, Saclay) ; Aune, S (IRFU, Saclay) ; Besin, D (IRFU, Saclay) ; Cazaux, S (IRFU, Saclay) ; Dafni, T (IRFU, SPhN, Saclay) ; Decker, T (LLNL, Livermore) ; Dogan, B O (Bogazici U.) ; Duportail, N (IRFU, Saclay) ; Fanourakis, G (Democritos Nucl. Res. Ctr.) et al.
A low background Micromegas X-ray detector has been used to search for solar axions in the CAST experiment at CERN. The detector has an active area of 7cm times 7cm, excellent spatial resolution (~70nm), and good energy resolution. [...]
Oct. - 6 p.
- Published in : 10.1109/NSSMIC.2006.353827
In : Nuclear Medical Imaging Conference, San Diego, CA, USA, 29 Oct - 4 Nov 2006, pp.3832-3837
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Performance of large pixelised Micromegas detectors in the COMPASS environment
/ Thibaud, F (IRFU, Saclay) ; Abbon, P (IRFU, Saclay) ; Andrieux, V (IRFU, Saclay) ; Anfreville, M (IRFU, Saclay) ; Bedfer, Y (IRFU, Saclay) ; Burtin, E (IRFU, Saclay) ; Capozza, L (IRFU, Saclay) ; Coquelet, C (IRFU, Saclay) ; Curiel, Q (IRFU, Saclay) ; d'Hose, N (IRFU, Saclay) et al.
New large-size Micromegas detectors are being developed forthe future physics program of the COMPASS experiment at CERN. Thesedetectors will have a pixelised readout in their center to detectparticles in the beam region, where the particle flux can reachseveral MHz/cm2 in nominal conditions, and will have to handlehigh intensity hadron beams (up to a few 107 hadrons/s) with adischarge rate lower than 0.01 to 0.001 discharge/s. [...]
2014
- Published in : JINST 9 (2014) C02005
In : 3rd International Conference on Micro Pattern Gaseous Detectors, Zaragoza, Spain, 1 - 6 Jul 2013, pp.C13-07-01.1
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Ageing studies of resistive Micromegas detectors for the HL-LHC
/ Galan, J. (IRFU, Saclay) ; Attie, D. (IRFU, Saclay) ; Ferrer-Ribas, E. (IRFU, Saclay) ; Giganon, A. (IRFU, Saclay) ; Giomataris, I. (IRFU, Saclay) ; Herlant, S. (IRFU, Saclay) ; Jeanneau, F. (IRFU, Saclay) ; Peyaud, A. (IRFU, Saclay) ; Schune, Ph. (IRFU, Saclay) ; Alexopoulos, T. (Natl. Tech. U., Athens) et al.
Resistive-anode Micromegas detectors are in development since several years, in an effort to solve the problem of sparks when working in high flux and high radiations environment like in the HL-LHC (ten times the luminosity of the LHC). [...]
arXiv:1304.2053.
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2013. - 4 p.
Preprint - Full text
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An ageing study of resistive micromegas for the HL-LHC environment
/ Galan, J. (IRFU, Saclay) ; Attie, D. (IRFU, Saclay) ; Ferrer-Ribas, E. (IRFU, Saclay) ; Giganon, A. (IRFU, Saclay) ; Giomataris, I. (IRFU, Saclay) ; Herlant, S. (IRFU, Saclay) ; Jeanneau, F. (IRFU, Saclay) ; Peyaud, A. (IRFU, Saclay) ; Schune, Ph (IRFU, Saclay) ; Alexopoulos, T. (Natl. Tech. U., Athens) et al.
Resistive-anode micromegas detectors are in development since several years, in an effort to solve the problem of sparks when working at high flux and high ionizing radiation like in the HL-LHC (up to ten times the luminosity of the LHC). They have been chosen as one of the technologies that will be part of the ATLAS New Small Wheel project (forward muon system). [...]
arXiv:1301.7648.-
2013 - 15 p.
- Published in : JINST 8 (2013) P04028
Fulltext: PDF; External link: Preprint
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Performances and ageing study of resistive-anodes Micromegas detectors for HL-LHC environment
/ Jeanneau, Fabien (IRFU, SPP, Saclay) ; Alexopoulos, T. (Natl. Tech. U., Athens) ; Attie, D. (IRFU, SPP, Saclay) ; Boyer, M. (IRFU, SPP, Saclay) ; Derre, J. (IRFU, SPP, Saclay) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) ; Ferrer-Ribas, E. (IRFU, SPP, Saclay) ; Galan, J. (IRFU, SPP, Saclay) ; Gazis, E. (Natl. Tech. U., Athens) ; Geralis, T. (Democritos Nucl. Res. Ctr.) et al.
With the tenfold luminosity increase envisaged at the HL-LHC, the background (photons, neutrons, ...) and the event pile-up probability are expected to increase in proportion in the different experiments, especially in the forward regions like, for instance, the muons chambers of the ATLAS detector. Detectors based on the Micromegas principle should be good alternatives for the detector upgrade in the HL-LHC framework because of a good spatial (<100 \mum) and time (few ns) resolutions, high-rate capability, radiation hardness, good robustness and the possibility to build large areas. [...]
arXiv:1201.1843.-
2012 - 6 p.
- Published in : IEEE Trans. Nucl. Sci. 59 (2012) 1711-1716
Fulltext: PDF; External link: Preprint
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