Performance of the gas gain monitoring system of the CMS RPC muon   detector

L. Benussi (a; Corresponding author); S. Bianco (a); L. Passamonti; (a); D. Piccolo (a); D. Pierluigi (a); G. Raffone (a); A. Russo (a); G.; Saviano (a); Y. Ban (b); J. Cai (b); Q. Li (b); S. Liu (b); S. Qian (b); D.; Wang (b); Z. Xu (b); F. Zhang (b); Y. Choi (c); D. Kim (c); S. Choi (d); B.; Hong (d); J.W. Kang (d); M. Kang (d); J.H. Kwon (d); K.S. Lee (d); S.K. Park; (d); L. Pant (e); V.B.J. Singh (f); A.M.R. Kumar (f); S. Kumar (f); S. Chand; (f); A. Singh (f); V.K. Bhandari (f); A. K. Mohanty (f); R. G. Thomas (f); R.; Sehgal (f); R. Chudasama (f); S. T. Sehgal (f); A. Cimmino (g); A. Ocampo; (g); F. Thyssen (g); M. Tytgat (g); W. Van Doninck (h); A. Ahmad (i); S.; Muhammad (i); M. Shoaib (i); H. Hoorani (i); I. Awan (i); I. Ali (i); W.; Ahmed (i); M.I. Asqhar (i); H. Shahzad (i); A. Sayed (l); A. Ibrahim (l); Y.; Assran (l); R. Aly (l); A. Radi (l); T. Elkafrawi (l); A. Sharma (m); S.; Colafranceschi (m); M. Abbrescia (n); P. Verwilligen (n); S. Meola (o); N.; Cavallo (o); A. Braghieri (p); P. Montagna (p); C. Riccardi (p); P. Salvini; (p); P. Vitulo (p); A. Dimitrov (q); R. Hadjiiska (q); L. Litov (q); B.; Pavlov (q); P. Petkov (q); A. Aleksandrov (r); V. Genchev (r); P. Iaydjiev; (r); M. Rodozov (r); G. Sultanov (r); M. Vutova (r); S. Stoykova (r); H.S.; Ibarg\"uen (s); M.I. Pedraza Morales (s); S. Carpinteyro Bernardino (s); I.; Bagaturia (t); Z. Tsamalaidze (t) ((a) Laboratori Nazionali di Frascati; dell'INFN; Frascati; Italy; (b) Peking University; Peking; China; (c) SKK; University; Seoul; S. Korea; (d) Korea University; Seoul; S. Korea; (e) BARC,; Mumbai; India; (f) Panjab University; Chandigarh; India; (g) Ghent; University; Ghent; Belgium; (h) VUB; Bruxelles; Belgium; (i) NCP; Islamabad,; Pakistan; (l) ENHEP; Cairo; Egypt; (m) CERN; Geneve; Switzerland; (n); Universit\`a di Bari; INFN Bari; Bari; Italy; (o) Universit\`a di Napoli; and INFN Napoli; Napoli; Italy; (p) Universit\`a di Pavia; INFN Pavia,; Pavia; Italy; (q) University of Sofia; Sofia; Bulgaria; (r) INRNE; Sofia,; Bulgaria; (s) Puebla University; Puebla; Mexico; (t) Tbilisi University and; IHEPI; Tbilisi; Georgia)

arXiv:1412.8039·physics.ins-det·August 14, 2019

Performance of the gas gain monitoring system of the CMS RPC muon detector

L. Benussi (a, Corresponding author), S. Bianco (a), L. Passamonti, (a), D. Piccolo (a), D. Pierluigi (a), G. Raffone (a), A. Russo (a), G., Saviano (a), Y. Ban (b), J. Cai (b), Q. Li (b), S. Liu (b), S. Qian (b), D., Wang (b), Z. Xu (b), F. Zhang (b), Y. Choi (c), D. Kim (c)

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TL;DR

This paper reports on the stability and effectiveness of the gas gain monitoring system for the CMS RPC muon detector during 2011-2012, including a new method for monitoring gas mixture composition.

Contribution

It introduces a novel monitoring method for gas mixture composition and evaluates the stability of the CMS RPC GGM system during data collection.

Findings

01

GGM system remained stable during 2011-2012

02

Observation of a new effect indicating a method for gas mixture monitoring

03

Potential for improved gas quality control in RPC detectors

Abstract

The RPC muon detector of the CMS experiment at the LHC (CERN, Geneva, Switzerland) is equipped with a Gas Gain Monitoring (GGM) system. A report on the stability of the system during the 2011-2012 data taking run is given, as well as the observation of an effect which suggests a novel method for the monitoring of gas mixture composition.

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