The upgrade of the CMS RPC system during the first LHC long shutdown

M. Tytgat, A. Marinov, P. Verwilligen, N. Zaganidis, A. Aleksandrov, V. Genchev, P. Iaydjiev, M. Rodozov, M. Shopova, G. Sultanov, Y. Assran, M. Abbrescia, C. Calabria, A. Colaleo, G. Iaselli, F. Loddo, M. Maggi, G. Pugliese, L. Benussi, S. BiancoM. Caponero, S. Colafranceschi, F. Felli, D. Piccolo, G. Saviano, C. Carrillo, U. Berzano, M. Gabusi, P. Vitulo, M. Kang, K. S. Lee, Sung Keun Park, S. Shin, A. Sharma

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The CMS muon system includes in both the barrel and endcap region Resistive Plate Chambers (RPC). They mainly serve as trigger detectors and also improve the reconstruction of muon parameters. Over the years, the instantaneous luminosity of the Large Hadron Collider gradually increases. During the LHC Phase 1 ( ∼ first 10 years of operation) an ultimate luminosity is expected above its design value of 1034 cm-2s-1 at 14 TeV. To prepare the machine and also the experiments for this, two long shutdown periods are scheduled for 2013-2014 and 2018-2019. The CMS Collaboration is planning several detector upgrades during these long shutdowns. In particular, the muon detection system should be able to maintain a low-pT threshold for an efficient Level-1 Muon Trigger at high particle rates. One of the measures to ensure this, is to extend the present RPC system with the addition of a 4th layer in both endcap regions. During the first long shutdown, these two new stations will be equipped in the region |η| < 1.6 with 144 High Pressure Laminate (HPL) double-layer RPCs operating in avalanche mode, with a similar design as the existing CMS endcap chambers. Here, we present the upgrade plans for the CMS RPC system for the fist long shutdown, including trigger simulation studies for the extended system, and details on the new HPL production, the chamber assembly and the quality control procedures.

Original languageEnglish
Article numberT02002
JournalJournal of Instrumentation
Volume8
Issue number2
DOIs
Publication statusPublished - 2013 Feb 1

Fingerprint

shutdowns
Laminates
Luminance
chambers
Trigger
muons
Detectors
Colliding beam accelerators
actuators
Quality control
laminates
Detector
Planning
luminosity
Extended Systems
Avalanche
Quality Control
Instantaneous
detectors
quality control

Keywords

  • Gaseous detectors
  • Muon spectrometers
  • Resistive-plate chambers

ASJC Scopus subject areas

  • Instrumentation
  • Mathematical Physics

Cite this

Tytgat, M., Marinov, A., Verwilligen, P., Zaganidis, N., Aleksandrov, A., Genchev, V., ... Sharma, A. (2013). The upgrade of the CMS RPC system during the first LHC long shutdown. Journal of Instrumentation, 8(2), [T02002]. https://doi.org/10.1088/1748-0221/8/02/T02002

The upgrade of the CMS RPC system during the first LHC long shutdown. / Tytgat, M.; Marinov, A.; Verwilligen, P.; Zaganidis, N.; Aleksandrov, A.; Genchev, V.; Iaydjiev, P.; Rodozov, M.; Shopova, M.; Sultanov, G.; Assran, Y.; Abbrescia, M.; Calabria, C.; Colaleo, A.; Iaselli, G.; Loddo, F.; Maggi, M.; Pugliese, G.; Benussi, L.; Bianco, S.; Caponero, M.; Colafranceschi, S.; Felli, F.; Piccolo, D.; Saviano, G.; Carrillo, C.; Berzano, U.; Gabusi, M.; Vitulo, P.; Kang, M.; Lee, K. S.; Park, Sung Keun; Shin, S.; Sharma, A.

In: Journal of Instrumentation, Vol. 8, No. 2, T02002, 01.02.2013.

Research output: Contribution to journalArticle

Tytgat, M, Marinov, A, Verwilligen, P, Zaganidis, N, Aleksandrov, A, Genchev, V, Iaydjiev, P, Rodozov, M, Shopova, M, Sultanov, G, Assran, Y, Abbrescia, M, Calabria, C, Colaleo, A, Iaselli, G, Loddo, F, Maggi, M, Pugliese, G, Benussi, L, Bianco, S, Caponero, M, Colafranceschi, S, Felli, F, Piccolo, D, Saviano, G, Carrillo, C, Berzano, U, Gabusi, M, Vitulo, P, Kang, M, Lee, KS, Park, SK, Shin, S & Sharma, A 2013, 'The upgrade of the CMS RPC system during the first LHC long shutdown', Journal of Instrumentation, vol. 8, no. 2, T02002. https://doi.org/10.1088/1748-0221/8/02/T02002
Tytgat M, Marinov A, Verwilligen P, Zaganidis N, Aleksandrov A, Genchev V et al. The upgrade of the CMS RPC system during the first LHC long shutdown. Journal of Instrumentation. 2013 Feb 1;8(2). T02002. https://doi.org/10.1088/1748-0221/8/02/T02002
Tytgat, M. ; Marinov, A. ; Verwilligen, P. ; Zaganidis, N. ; Aleksandrov, A. ; Genchev, V. ; Iaydjiev, P. ; Rodozov, M. ; Shopova, M. ; Sultanov, G. ; Assran, Y. ; Abbrescia, M. ; Calabria, C. ; Colaleo, A. ; Iaselli, G. ; Loddo, F. ; Maggi, M. ; Pugliese, G. ; Benussi, L. ; Bianco, S. ; Caponero, M. ; Colafranceschi, S. ; Felli, F. ; Piccolo, D. ; Saviano, G. ; Carrillo, C. ; Berzano, U. ; Gabusi, M. ; Vitulo, P. ; Kang, M. ; Lee, K. S. ; Park, Sung Keun ; Shin, S. ; Sharma, A. / The upgrade of the CMS RPC system during the first LHC long shutdown. In: Journal of Instrumentation. 2013 ; Vol. 8, No. 2.
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AU - Genchev, V.

AU - Iaydjiev, P.

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AU - Carrillo, C.

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AU - Kang, M.

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