Study on the operational conditions of a double-gap resistive plate chamber for the CMS

We present the results from cosmic ray tests on the forward Resistive Plate Chamber (RPC) for the CMS. Double-gap prototype RPC were built and tested in the Korea Detector Laboratory (KODEL). We found that addition of SF 6 and water vapor to the tetrafluorethane-based gas mixture was required for th...

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Published inNuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 456; no. 1; pp. 29 - 34
Main Authors Ahn, S.H, Amirikas, R, Bahk, S.Y, Baik, K.M, Gapienko, V.A, Hong, B, Hong, S.J, Kim, J.Y, Kim, Y.J, Kim, Y.U, Koo, D.G, Lee, K.S, Lee, S.J, Lim, I.T, Nam, S.K, Pac, M.Y, Park, S, Rhee, J.T, Seo, S.W, Sim, K.S
Format Journal Article
LanguageEnglish
Published Elsevier B.V 21.12.2000
Subjects
CMS
Double-gap RPC
SF 6
Water vapor
CMS
29.40.Cs
Water vapor
Double-gap RPC
SF 6
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Summary:We present the results from cosmic ray tests on the forward Resistive Plate Chamber (RPC) for the CMS. Double-gap prototype RPC were built and tested in the Korea Detector Laboratory (KODEL). We found that addition of SF 6 and water vapor to the tetrafluorethane-based gas mixture was required for the long-term stable operation of RPC. Efficiency, time resolution as well as cross-talk behavior of the detector were investigated. In addition, we present the temperature and humidity dependence of bulk resistivity of Korean bakelite in detail.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(00)00957-8