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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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Lenguaje: | eng |
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2017
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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 |