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R&D on a new type of micropattern gaseous detector: The Fast Timing Micropattern detector / CMS Collaboration
Micropattern gaseous detectors (MPGD) underwent significant upgrades in recent years, introducing resistive materials to build compact spark-protected devices. Exploiting this technology further, various features such as space and time resolution, rate capability, sensitive area, operational stability and radiation hardness can be improved. [...]
CMS-CR-2016-033.- Geneva : CERN, 2017 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 845 (2017) 313-317 Fulltext: PDF;
In : 14th Vienna Conference on Instrumentation, Vienna, Austria, 15 - 19 Feb 2016, pp.313-317

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Overview of large area triple-GEM detectors for the CMS forward muon upgrade / CMS Collaboration
We report on the status of the project to install large-area triple-foil gas electron multiplier (GEM) detectors in the end-cap muon system of the Compact Muon Solenoid (CMS) experiment at the LHC operating at the high luminosity planned after the current period of data-taking (run 2). In the pseudo-rapidity region $1.6 < \lvert\eta\rvert < 2.4$, the GEM detectors will suppress the rate of background triggers while maintaining high trigger efficiency for low transverse momentum muons, and enhancing the robustness of muon detection in the high-flux environment of the end-cap region. [...]
CMS-CR-2016-047.- Geneva : CERN, 2017 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 845 (2017) 298-303 Fulltext: PDF;
In : 14th Vienna Conference on Instrumentation, Vienna, Austria, 15 - 19 Feb 2016, pp.298-303

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A novel application of Fiber Bragg Grating (FBG) sensors in MPGD / CMS Collaboration
We present a novel application of Fiber Bragg Grating (FBG) sensors in the construction and characterisation of Micro Pattern Gaseous Detector (MPGD), with particular attention to the realisation of the largest triple (Gas electron Multiplier) GEM chambers so far operated, the GE1/1 chambers of the CMS experiment at LHC. The GE1/1 CMS project consists of 144 GEM chambers of about 0.5 m2 active area each, employing three GEM foils per chamber, to be installed in the forward region of the CMS endcap during the long shutdown of LHC in 2108-2019. [...]
arXiv:1512.08529; INFN-15-10-LNF; CMS-CR-2015-363.- 2018 - 4 p. - Published in : EPJ Web Conf. 174 (2018) 03002 Fulltext: epjconf_mpgd2018_03002 - PDF; CR2015_363 - PDF; arXiv:1512.08529 - PDF; External link: Preprint
In : 4th International Conference on Micro Pattern Gaseous Detectors - MPGD2015, Trieste, Italy, 12 - 15 Oct 2015, pp.03002

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Quality control for the first large areas of triple-GEM chambers for the CMS endcaps / CMS Collaboration
The CMS Collaboration plans to equip the very forward muon system with triple-GEM detectors that can withstand the environment of the High-Luminosity LHC. This project is at the final stages of R&D; and moving to production. [...]
CMS-CR-2015-347.- Geneva : CERN, 2015 - 5 p. - Published in : EPJ Web Conf. 174 (2018) 03003 Fulltext: PDF; External link: EDP Sciences Server
In : 4th International Conference on Micro Pattern Gaseous Detectors - MPGD2015, Trieste, Italy, 12 - 15 Oct 2015, pp.03003

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Fiber Bragg Grating (FBG) sensors as flatness and mechanical stretching sensors / Abbaneo, D. (CERN) ; Abbas, M. (CERN) ; Abbrescia, M. (Bari U. ; INFN, Bari) ; Abdelalim, A.A. (British U. in Egypt) ; Abi Akl, M. (Texas A&M U. Qatar, Doha) ; Aboamer, O. (Cairo, Acad. Sci. Res. Tech.) ; Acosta, D. (Florida U.) ; Ahmad, A. (NCP, Islamabad) ; Ahmed, W. (British U. in Egypt) ; Ahmed, W. (NCP, Islamabad) et al.
A novel approach which uses Fibre Bragg Grating (FBG) sensors has been utilised to assess and monitor the flatness of Gaseous Electron Multipliers (GEM) foils. The setup layout and preliminary results are presented..
arXiv:1512.08481; FRASCATI-PREPRINT-INFN-15-09-LNF; FRASCATI-PREPRINT-INFN-15-09-LNF.- 2016-07-11 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 824 (2016) 493-495 Fulltext: arXiv:1512.08481 - PDF; 10.1016_j.nima.2016.01.059 - PDF; External link: Preprint
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015, pp.493-495

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Design of a Constant Fraction Discriminator for the VFAT3 front-end ASIC of the CMS GEM detector / for the CMS Collaboration
In this work the design of a Constant Fraction Discriminator (CFD) to be used in the VFAT3 chip, currently under design for the read-out of the Triple-Gem detectors of the CMS experiment, is described. Simulations show that it is possible to extend the front-end shaping time in order to fully integrate the GEM detector signal charge whilst maintaining optimal timing resolution using the CFD technique. [...]
CMS-CR-2015-268.- Geneva : CERN, 2016 - 10 p. - Published in : JINST 11 (2016) C01023 Fulltext: PDF; IOP Open Access article: PDF;
In : Topical Workshop on Electronics for Particle Physics, Lisbon, Portugal, 28 Sep - 2 Oct 2015, pp.C01023

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Performance of a Large-Area GEM Detector Prototype for the Upgrade of the CMS Muon Endcap System / Abbaneo, D. (CERN) ; Abbas, M. (CERN) ; Abbrescia, M. (Bari U. ; INFN, Bari) ; Abdelalim, A.A. (Helwan U.) ; Abi Akl, M. (Texas A&M U. Qatar, Doha) ; Ahmed, W. (Helwan U.) ; Ahmed, W. (Quaid-i-Azam U.) ; Altieri, P. (Bari U. ; INFN, Bari) ; Aly, R. (Helwan U.) ; Asawatangtrakuldee, C. (Peking U.) et al.
Gas Electron Multiplier (GEM) technology is being considered for the forward muon upgrade of the CMS experiment in Phase 2 of the CERN LHC. Its first implementation is planned for the GE1/1 system in the $1.5 < \mid\eta\mid < 2.2$ region of the muon endcap mainly to control muon level-1 trigger rates after the second long LHC shutdown. [...]
arXiv:1412.0228.- 2016-03-14 - 8 p. - Published in : 10.1109/NSSMIC.2014.7431249 Fulltext: PDF; External link: Preprint
In : Conference Information and Promotion Committee (CIP) for the IEEE – Nuclear Science Symposium and Medical Imaging Conference, and Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors workshop, Seattle, WA, USA, 8 - 15 Nov 2014, pp.7431249

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Development and performance of large-scale triple GEM detectors for CMS / Bouhali, Othmane (Texas A-M) ; Abbrescia, M. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Abi Akl, M. (Texas A&M U. Qatar, Doha) ; Argamaingaud, C. (CERN) ; Aspell, P. (CERN) ; Assran, Y. (Cairo, Acad. Sci. Res. Tech.) ; Bally, S. (CERN) ; Ban, Y. (Peking U.) ; Barria, P. (Brussels U.) ; Benussi, L. (Frascati) et al.
The international CMS GEM collaboration is studying the feasibility of upgrading the CMS forward muon system by adding layers of triple GEM based detectors. After successful tests of small size tripe-GEM chambers in the period of 2010-2011, the collaboration has designed, built and tested full size GEM chambers for the upgrade purpose. [...]
CMS-CR-2013-287.- Geneva : CERN, 2013 - 9 p. - Published in : JINST 8 (2013) C11017 Fulltext: PDF; IOP Open Access article: PDF;
In : 3rd International Conference on Micro Pattern Gaseous Detectors, Zaragoza, Spain, 1 - 6 Jul 2013, pp.C11017

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Potential Impact of a New GEM-based Detector on CMS Triggering / On Behalf of the CMS-GEM collaboration
With the increases in the LHC instantaneous luminosity, maintaining effective triggering and avoiding dead time will become especially challenging. [...]
arXiv:1310.2074 ; DPF-2013-208. - 2013. - 7 p.
Preprint - Full text

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