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. Bianco; M. Caponero; S. Colafranceschi; F. Felli; D. Piccolo; G. Saviano; C. Carrillo; U. Berzano; M. Gabusi; P. Vitulo; M. Kang; K. S. Lee; S. K. Park; S. Shin; A. Sharma

doi:10.1088/1748-0221/8/02/T02002

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, S. K. Park, S. Shin, A. Sharma

Research output: Contribution to journal › Review article › peer-review

9 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-p_T 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 language	English
Article number	T02002
Journal	Journal of Instrumentation
Volume	8
Issue number	2
DOIs	https://doi.org/10.1088/1748-0221/8/02/T02002
Publication status	Published - 2013 Feb

Keywords

Gaseous detectors
Muon spectrometers
Resistive-plate chambers

ASJC Scopus subject areas

Instrumentation
Mathematical Physics

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10.1088/1748-0221/8/02/T02002

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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., ... Sharma, A. (2013). The upgrade of the CMS RPC system during the first LHC long shutdown. Journal of Instrumentation, 8(2), Article 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, 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

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title = "The upgrade of the CMS RPC system during the first LHC long shutdown",

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.",

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

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AU - Tytgat, M.

AU - Marinov, A.

AU - Verwilligen, P.

AU - Zaganidis, N.

AU - Aleksandrov, A.

AU - Genchev, V.

AU - Iaydjiev, P.

AU - Rodozov, M.

AU - Shopova, M.

AU - Sultanov, G.

AU - Assran, Y.

AU - Abbrescia, M.

AU - Calabria, C.

AU - Colaleo, A.

AU - Iaselli, G.

AU - Loddo, F.

AU - Maggi, M.

AU - Pugliese, G.

AU - Benussi, L.

AU - Bianco, S.

AU - Caponero, M.

AU - Colafranceschi, S.

AU - Felli, F.

AU - Piccolo, D.

AU - Saviano, G.

AU - Carrillo, C.

AU - Berzano, U.

AU - Gabusi, M.

AU - Vitulo, P.

AU - Kang, M.

AU - Lee, K. S.

AU - Park, S. K.

AU - Shin, S.

AU - Sharma, A.

PY - 2013/2

Y1 - 2013/2

N2 - 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.

AB - 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.

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KW - Muon spectrometers

KW - Resistive-plate chambers

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ER -

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

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Keywords

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