Construction techniques and performances of a full-size prototype   Micromegas chamber for the ATLAS muon spectrometer upgrade

T. Alexopoulos (a); M. Alviggi (b); M. Antonelli (c); F. Anulli (d),; C. Arcangeletti (c); P. Bagnaia (d); A. Baroncelli (e); M. Beretta (c); C.; Bini (d); J. Bortfeldt (f); D. Calabr\`o (g); V. Canale (b); G. Capradossi; (d); G. Carducci (h); A. Caserio (g); C. Cassese (b); S. Cerioni (c); G.; Ciapetti (d); V. D' Amico (e); B. De Fazio (b); M. Del Gaudio (h); C. Di; Donato (b); R. Di Nardo (c); D. D' Uffizi (d); E. Farina (g); R. Ferrari (g),; A. Freddi (g); C. Gatti (c); G. Gaudio (g); P. Gkountoumis (a; h); E.; Gorini (i); F. Gravili (i); S. Guelfo Gigli (g); G. Iakovidis (a; h); P.; Iengo (f); A. Innocente (i); G. Introzzi (g); M. Iodice (e); E. Karentzos (a; and h); A. Koulouris (a; h); A. Kourkoumeli-Charalampidi (g); F. Lacava; (d); A. Lanza (g); L. La Rotonda (h); S. Lauciani (c); L. Luminari (d); G.; Maccarrone (c); S. Maltezos (a); G. Mancini (c); L. Martinelli (e); P.; Massarotti (b); A. Miccoli (i); A. Mirto (i); P. Moschovakos (a; h); K.; Ntekas (a; h); S. Palazzo (h); G. Paruzza (e); F. Petrucci (e); L.; Pezzotti (g); G. Pileggi (c); A. Policicchio (d); G. Pontoriere (b); B.; Ponzio (c); E. Romano (g); V. Romano (h); L. Roscilli (b); G. Rovelli (g); C.; Scagliotti (g); M. Schioppa (h); G. Sekhniaidze (b); M. Sessa (e); S.; Sottocornola (g); P. Turco (h); M. Vanadia (d); D. Vannicola (d); T.; Vassileva (c); V. Vecchio (e); F. Vercellati (g); A. Zullo (d) ((a) National; Technical University of Athens; (b) Dipartimento di Fisica Universit\`a di; Napoli; (c) INFN e Laboratori Nazionali di Frascati; (d) Dipartimento di; Fisica Sapienza Universit\`a di Roma e INFN Sezione di Roma; (e) Dipartimento; di Matematica e Fisica Universit\`a Roma Tre e INFN Sezione di Roma Tre; (f); CERN; (g) Dipartimento di Fisica Universit\`a di Pavia e INFN Sezione di; Pavia; (h) Dipartimento di Fisica Universit\`a della Calabria Rende e INFN; Gruppo Collegato di Cosenza; (i) Dipartimento di Matematica e Fisica; Universit\`a del Salento Lecce e INFN Sezione di Lecce; (h) Brookhaven; National Laboratory)

arXiv:1808.09752·physics.ins-det·September 12, 2018

Construction techniques and performances of a full-size prototype Micromegas chamber for the ATLAS muon spectrometer upgrade

T. Alexopoulos (a), M. Alviggi (b), M. Antonelli (c), F. Anulli (d),, C. Arcangeletti (c), P. Bagnaia (d), A. Baroncelli (e), M. Beretta (c), C., Bini (d), J. Bortfeldt (f), D. Calabr\`o (g), V. Canale (b), G. Capradossi, (d), G. Carducci (h), A. Caserio (g), C. Cassese (b)

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TL;DR

This paper details the construction and testing of a full-size Micromegas chamber prototype for the ATLAS muon spectrometer upgrade, including assembly procedures and performance results from beam tests, demonstrating its suitability for LHC conditions.

Contribution

It presents the first full-size prototype construction process and performance evaluation for Micromegas chambers in the ATLAS upgrade.

Findings

01

Successful construction of a full-size prototype

02

Performance meets LHC environment requirements

03

Beam test results validate design choices

Abstract

A full-size prototype of a Micromegas precision tracking chamber for the upgrade of the ATLAS detector at the LHC Collider has been built between October 2015 and April 2016. This paper describes in detail the procedures used in constructing the single modules of the chamber in various INFN laboratories and the final assembly at the Laboratori Nazionali di Frascati (LNF). Results of the chamber exposure to the CERN SPS/H8 beam line in June 2016 are also presented. The performances achieved in the construction and the results of the test beam are compared with the requirements, which are imposed by the severe environment during the data-taking of the LHC foreseen for the next years.

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Taxonomy

TopicsParticle Detector Development and Performance · Radiation Detection and Scintillator Technologies · Particle physics theoretical and experimental studies