CERN Accelerating science

Article
Title	Development of large size Micromegas detector for the upgrade of the ATLAS muon system
Author(s)	Alexopoulos, T (Natl. Tech. U., Athens) ; Altintas, A A (Bogazici U.) ; Alviggi, M (Naples U.) ; Arik, M (Bogazici U.) ; Cetin, S A (Dogus U., Kadikoy) ; Tcherniatine, V (Brookhaven) ; Cheu, E (Arizona U.) ; Della Volpe, D (Naples U.) ; Dris, M (Natl. Tech. U., Athens) ; Fassouliotis, D (Athens U.) ; Gazis, E N (Natl. Tech. U., Athens) ; Giordano, R (Naples U.) ; Gratchev, V (St. Petersburg, INP) ; Guan, L (Hefei, CUST) ; Iengo, P (Annecy, LAPP) ; Ioannou, P (Athens U.) ; Li, C (Hefei, CUST) ; Johns, K (Arizona U.) ; Kaushik, V (Arizona U.) ; Khodinov, A (SUNY, Stony Brook) ; Kourkoumelis, C (Athens U.) ; Maltezos, S (Natl. Tech. U., Athens) ; Mermigka, K (Natl. Tech. U., Athens) ; Muller, H (CERN) ; Nikolopoulos, K (Athens U. ; Brookhaven) ; Park, W (South Carolina U.) ; Persembe, S (Bogazici U.) ; Petridou, C (Thessaloniki U.) ; Petti, R (South Carolina U.) ; Polychronakos, V (Brookhaven) ; Purohit, M V (South Carolina U.) ; Sampsonidis, D (Thessaloniki U.) ; Sekhniaidze, G (Naples U.) ; Shao, M (Hefei, CUST) ; Sun, Y J (Hefei, CUST) ; Tsipolitis, G (Natl. Tech. U., Athens) ; Veenhof, R (Wisconsin U., Madison) ; Wang, X L (Hefei, CUST) ; Wotschack, J (CERN) ; Wu, S X (Hefei, CUST) ; Zhao, T (Washington U., Seattle) ; Zhao, Z G (Hefei, CUST)
Publication	2010
Number of pages	5
In:	Nucl. Instrum. Methods Phys. Res., A 617 (2010) 161-165
In:	11th Pisa Meeting on Advanced Detectors on Frontier Detectors For Frontier Physics, La Biodola, Italy, 24 - 30 May 2009, pp.161-165
DOI	10.1016/j.nima.2009.06.113
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Abstract	With the luminosity upgrade of the LHC machine (SLHC, Super-LHC), the Muon system of the ATLAS experiment at CERN will also need a detector upgrade in the highest rapidity region. MAMMA, Muon ATLAS Micromegas Activity, is an ongoing R&D activity with the aim to develop large detectors based on the bulk-Micromegas technology for use in the ATLAS Muon Spectrometer. Micromegas is a good potential candidate for the construction of large muon chambers that combine trigger and tracking capability and can sustain high particle rates expected at the SLHC. A medium size Micromegas prototype, in scale 1:10 of the final chambers, has been built and evaluated in the laboratory and in beam tests at CERN. Results from the analysis of test-beam data are presented. The results indicate that large size Micromegas is a viable candidate for ATLAS Muon upgrade.

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