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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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Why do we flush gas in gaseous detectors?
/ Procureur, S (IRFU, Saclay) ; Attié, D (IRFU, Saclay) ; Bouteille, S (Unlisted, FR) ; Calvet, D (IRFU, Saclay) ; Coppolani, X (IRFU, Saclay) ; Gallois, B (IRFU, Saclay) ; Gomez, H (IRFU, Saclay) ; Kebbiri, M (IRFU, Saclay) ; Le Courric, E (IRFU, Saclay) ; Magnier, P (IRFU, Saclay) et al.
The effects and the origin of the gas degradation in a gaseous detector-based tracker are investigated. The study focused on the so-called T2K gas, which turned out to be highly sensitive to pollutants. [...]
2020 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 955 (2020) 163290
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Beam test evaluation of electromagnetic calorimeter modules made from proton-damaged PbWO$_4$ crystals
/ Adams, T (Florida State U., Tallahassee (main)) ; Adzic, P (Belgrade U.) ; Ahuja, S (Sao Paulo, IFT) ; Anderson, D (Caltech) ; Andrews, M B (Carnegie Mellon U.) ; Antropov, I (Ecole Polytechnique) ; Antunovic, Z (Split U.) ; Arcidiacono, R (INFN, Turin ; Moscow, ITEP) ; Arenton, M W (Virginia U.) ; Argiro, S (INFN, Turin ; Moscow, ITEP) et al.
The performance of electromagnetic calorimeter modules made of proton-irradiated PbWO(4) crystals has been studied in beam tests. The modules, similar to those used in the Endcaps of the CMS electromagnetic calorimeter (ECAL), were formed from 5×5 matrices of PbWO(4) crystals, which had previously been exposed to 24 GeV protons up to integrated fluences between 2.1× 10(13) and 1.3× 10(14) cm(−)(2). [...]
FERMILAB-PUB-16-403-CMS.-
2016 - 32 p.
- Published in : JINST 11 (2016) P04012
IOP Open Access article: PDF;
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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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Intercalibration of the barrel electromagnetic calorimeter of the CMS experiment at start-up
/ CMS ECAL Collaboration
Calibration of the relative response of the individual channels of the barrel electromagnetic calorimeter of the CMS detector was accomplished before installation with cosmic ray muons and test beams. One fourth of the calorimeter was exposed to a beam of high energy electrons and the relative calibration of the channels, the intercalibration, was found to be reproducible to a precision of about 0.3\%. [...]
CMS-NOTE-2008-018.-
Geneva : CERN, 2008 - 15 p.
- Published in : JINST 3 (2008) P10007
Fulltext: PDF; SISSA/IOP Open Access article: PDF;
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