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Thin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon System

High-sensitive double-gap phenolic Resistive Plate Chambers are studied for the Phase-2 upgrade of the CMS muon system at high pseudorapidity $\eta$. Whereas the present CMS RPCs have a gas gap thickness of 2 mm, we propose to use thinner gas gaps, which will improve the performance of these RPCs. T...

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Detalles Bibliográficos
Autores principales: Lee, Kyong Sei, Park, Sung Keun
Lenguaje:eng
Publicado: 2017
Materias:
Acceso en línea:http://cds.cern.ch/record/2270977
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author Lee, Kyong Sei
Park, Sung Keun
author_facet Lee, Kyong Sei
Park, Sung Keun
author_sort Lee, Kyong Sei
collection CERN
description High-sensitive double-gap phenolic Resistive Plate Chambers are studied for the Phase-2 upgrade of the CMS muon system at high pseudorapidity $\eta$. Whereas the present CMS RPCs have a gas gap thickness of 2 mm, we propose to use thinner gas gaps, which will improve the performance of these RPCs. To validate this proposal, we constructed double-gap RPCs with two different gap thicknesses of 1.2 and 1.4 mm using high-pressure laminated plates having a mean resistivity of about 5 $\times$ 10$^{10}$ $\Omega$-cm. This paper presents test results using cosmic muons and $^{137}$Cs gamma rays. The rate capabilities of these thin-gap RPCs measured with the gamma source exceed the maximum rate expected in the new high-$\eta$ endcap RPCs planned for future Phase-2 runs of LHC.
id cern-2270977
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2017
record_format invenio
spelling cern-22709772019-09-30T06:29:59Zhttp://cds.cern.ch/record/2270977engLee, Kyong SeiPark, Sung KeunThin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon SystemDetectors and Experimental TechniquesHigh-sensitive double-gap phenolic Resistive Plate Chambers are studied for the Phase-2 upgrade of the CMS muon system at high pseudorapidity $\eta$. Whereas the present CMS RPCs have a gas gap thickness of 2 mm, we propose to use thinner gas gaps, which will improve the performance of these RPCs. To validate this proposal, we constructed double-gap RPCs with two different gap thicknesses of 1.2 and 1.4 mm using high-pressure laminated plates having a mean resistivity of about 5 $\times$ 10$^{10}$ $\Omega$-cm. This paper presents test results using cosmic muons and $^{137}$Cs gamma rays. The rate capabilities of these thin-gap RPCs measured with the gamma source exceed the maximum rate expected in the new high-$\eta$ endcap RPCs planned for future Phase-2 runs of LHC.CMS-NOTE-2017-005CERN-CMS-NOTE-2017-005oai:cds.cern.ch:22709772017-06-21
spellingShingle Detectors and Experimental Techniques
Lee, Kyong Sei
Park, Sung Keun
Thin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon System
title Thin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon System
title_full Thin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon System
title_fullStr Thin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon System
title_full_unstemmed Thin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon System
title_short Thin Double-gap RPCs for the Phase-2 Upgrade of the CMS Muon System
title_sort thin double-gap rpcs for the phase-2 upgrade of the cms muon system
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/2270977
work_keys_str_mv AT leekyongsei thindoublegaprpcsforthephase2upgradeofthecmsmuonsystem
AT parksungkeun thindoublegaprpcsforthephase2upgradeofthecmsmuonsystem