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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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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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Large bulk Micromegas detectors for TPC applications
/ Anvar, S (DAPNIA, Saclay) ; Baron, P (DAPNIA, Saclay) ; Boyer, M (DAPNIA, Saclay) ; Beucher, J (DAPNIA, Saclay) ; Calvet, D (DAPNIA, Saclay) ; Colas, P (DAPNIA, Saclay) ; De La Broise, X (DAPNIA, Saclay) ; Delagnes, E (DAPNIA, Saclay) ; Delbart, A (DAPNIA, Saclay) ; Druillole, F (DAPNIA, Saclay) et al.
A large volume TPC will be used in the near future in a variety of experiments including T2K. The bulk Micromegas detector for this TPC is built using a novel production technique particularly suited for compact, thin and robust low mass detectors. [...]
2009
- Published in : Nucl. Instrum. Methods Phys. Res., A 602 (2009) 415-420
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Laser monitoring system for the CMS lead tungstate crystal calorimeter
/ Anfrevilleb, M ; Bailleuxa, D ; Bardb, J P ; Bornheima, A ; Bouchand, Christophe ; Bougamont, Emmanuelle ; Boyer, Michel ; Chipaux, Rémi ; Daponte-Puill, V ; Dejardin, Marc et al.
We report on the multiple wavelength laser monitoring system designed for the CMS lead tungstate crystal calorimeter read-out with avalanche photodiodes (Barrel calorimeters) and vacuum phototriodes (End Cap calorimeters). Results are presented for the test beam performance of the system designed to achieve 0.5% relative inter-calibration of the optical transmittance for lead tungstate scintillation emission over nearly 80 000 channels. [...]
CMS-NOTE-2007-028.-
Geneva : CERN, 2007 - 41 p.
Fulltext: PDF;
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A Study of the Link between Cosmic Rays and Clouds with a Cloud Chamber at the CERN PS
/ Mathot, S et al.
- CLOUD.
Approved: 01 March 2006.-
Status: Data Taking
External link: Experiment home page
Experiment: PS215
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