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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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The ASACUSA Micromegas Tracker: A cylindrical, bulk Micromegas detector for antimatter research
/ Radics, B (RIKEN (main)) ; Nagata, Y (RIKEN (main)) ; Yamazaki, Y (RIKEN (main)) ; Ishikawa, S (Tokyo, U. Earth Sci. Astron.) ; Kuroda, N (Tokyo, U. Earth Sci. Astron.) ; Matsuda, Y (Tokyo, U. Earth Sci. Astron.) ; Anfreville, M (IRFU, Saclay) ; Aune, S (IRFU, Saclay) ; Boyer, M (IRFU, Saclay) ; Chateau, F (IRFU, Saclay) et al.
The ASACUSA Micromegas Tracker (AMT; ASACUSA: Atomic Spectroscopy and Collisions Using Slow Antiprotons) was designed to be able to reconstruct antiproton-nucleon annihilation vertices in three dimensions. The goal of this device is to study antihydrogen formation processes in the ASACUSA cusp trap, which was designed to synthesise a spin-polarised antihydrogen beam for precise tests of Charge, Parity, and Time (CPT) symmetry invariance. [...]
AIP, 2015 - 9 p.
- Published in : Rev. Sci. Instrum. 86 (2015) 083304
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3.
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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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5.
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New pixelized Micromegas detector with low discharge rate for the COMPASS experiment
/ Neyret, D. (DSM, DAPNIA, Saclay) ; Abbon, P. (DSM, DAPNIA, Saclay) ; Anfreville, M. (DSM, DAPNIA, Saclay) ; Bedfer, Y. (DSM, DAPNIA, Saclay) ; Burtin, E. (DSM, DAPNIA, Saclay) ; Coquelet, C. (DSM, DAPNIA, Saclay) ; d'Hose, N. (DSM, DAPNIA, Saclay) ; Desforge, D. (DSM, DAPNIA, Saclay) ; Giganon, A. (DSM, DAPNIA, Saclay) ; Jourde, D. (DSM, DAPNIA, Saclay) et al.
New Micromegas (Micro-mesh gaseous detectors) are being developed in view of the future physics projects planned by the COMPASS collaboration at CERN. Several major upgrades compared to present detectors are being studied: detectors standing five times higher luminosity with hadron beams, detection of beam particles (flux up to a few hundred of kHz/mm^{2}, 10 times larger than for the present Micromegas detectors) with pixelized read-out in the central part, light and integrated electronics, and improved robustness. [...]
arXiv:1111.3337.-
2012 - 11 p.
- Published in : JINST 7 (2012) C03006
Fulltext: PDF; External link: Preprint
In : 2nd International Conference on Micro Pattern Gaseous Detectors, Maiko, Kobe, Japan, 29 Aug - 1 Sep 2011, pp.C03006
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7.
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New pixelized Micromegas detector for the COMPASS experiment
/ for the COMPASS Collaboration
New Micromegas (Micro-mesh gaseous detectors) are being developed in view of the future physics projects planned by the COMPASS collaboration at CERN. Several major upgrades compared to present detectors are being studied: detectors standing five times higher luminosity with hadron beams, detection of beam particles (flux up to a few hundred of kHz/mm^2, 10 times larger than for the present detectors) with pixelized read-out in the central part, light and integrated electronics, and improved robustness. [...]
arXiv:0909.5402.-
2009 - 11 p.
Fulltext: PDF; External link: Preprint
In : 1st International Conference on Micro-Pattern Gaseous Detectors, Kolympari, Crete, Greece, 12 - 15 Jun 2009, pp.P12004
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9.
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The CMS Barrel Calorimeter Response to Particle Beams from 2 to 350 GeV/c
/ CMS HCAL/ECAL Collaboration
The response of the CMS barrel calorimeter (electromagnetic plus hadronic) to hadrons, electrons and muons over a wide momentum range from 2 to 350 GeV/c has been measured. To our knowledge, this is the widest range of momenta in which any calorimeter system has been studied. [...]
CMS-NOTE-2008-034.-
Geneva : CERN, 2008 - 17 p.
Fulltext: PDF;
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