Tests of a phenolic four-gap RPC with cosmic muons and high-rate gammas for CMS/LHC experiment

Min Soo Jeong; Kyong Sei Lee; Sung Keun Park

doi:10.1109/NSSMIC.2013.6829816

Tests of a phenolic four-gap RPC with cosmic muons and high-rate gammas for CMS/LHC experiment

Min Soo Jeong, Kyong Sei Lee, Sung Keun Park

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We report a systematic study of detection rate capability of phenolic four-gap resistive plate chamber (RPC) in use of high-energy physics experiments. In the current study, a prototype phenolic four-gap RPCs were tested for cosmic muons and gamma rays irradiated by a 150 mCi ¹³⁷Cs source. The efficiency plateau of cosmic muons measured by the four-gap RPCs with a proper threshold was about 600 V. Furthermore, the shift in the operation high voltage caused by a gamma rays background rate of 3.0 kHz cm^-2 was measured as about 400 V, which was smaller than the size of the measured muon efficiency plateau. We conclude from the present study that the four-gap RPCs are capable of high-rate triggers in high-η region of the CMS experiment.

Original language	English
Title of host publication	IEEE Nuclear Science Symposium Conference Record
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781479905348
DOIs	https://doi.org/10.1109/NSSMIC.2013.6829816
Publication status	Published - 2013 Jan 1
Event	2013 60th IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2013 - Seoul, Korea, Republic of Duration: 2013 Oct 27 → 2013 Nov 2

Other

Other	2013 60th IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2013
Country/Territory	Korea, Republic of
City	Seoul
Period	13/10/27 → 13/11/2

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

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10.1109/NSSMIC.2013.6829816

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Jeong, MS, Lee, KS & Park, SK 2013, Tests of a phenolic four-gap RPC with cosmic muons and high-rate gammas for CMS/LHC experiment. in IEEE Nuclear Science Symposium Conference Record., 6829816, Institute of Electrical and Electronics Engineers Inc., 2013 60th IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2013, Seoul, Korea, Republic of, 13/10/27. https://doi.org/10.1109/NSSMIC.2013.6829816

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abstract = "We report a systematic study of detection rate capability of phenolic four-gap resistive plate chamber (RPC) in use of high-energy physics experiments. In the current study, a prototype phenolic four-gap RPCs were tested for cosmic muons and gamma rays irradiated by a 150 mCi 137Cs source. The efficiency plateau of cosmic muons measured by the four-gap RPCs with a proper threshold was about 600 V. Furthermore, the shift in the operation high voltage caused by a gamma rays background rate of 3.0 kHz cm-2 was measured as about 400 V, which was smaller than the size of the measured muon efficiency plateau. We conclude from the present study that the four-gap RPCs are capable of high-rate triggers in high-η region of the CMS experiment.",

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N2 - We report a systematic study of detection rate capability of phenolic four-gap resistive plate chamber (RPC) in use of high-energy physics experiments. In the current study, a prototype phenolic four-gap RPCs were tested for cosmic muons and gamma rays irradiated by a 150 mCi 137Cs source. The efficiency plateau of cosmic muons measured by the four-gap RPCs with a proper threshold was about 600 V. Furthermore, the shift in the operation high voltage caused by a gamma rays background rate of 3.0 kHz cm-2 was measured as about 400 V, which was smaller than the size of the measured muon efficiency plateau. We conclude from the present study that the four-gap RPCs are capable of high-rate triggers in high-η region of the CMS experiment.

AB - We report a systematic study of detection rate capability of phenolic four-gap resistive plate chamber (RPC) in use of high-energy physics experiments. In the current study, a prototype phenolic four-gap RPCs were tested for cosmic muons and gamma rays irradiated by a 150 mCi 137Cs source. The efficiency plateau of cosmic muons measured by the four-gap RPCs with a proper threshold was about 600 V. Furthermore, the shift in the operation high voltage caused by a gamma rays background rate of 3.0 kHz cm-2 was measured as about 400 V, which was smaller than the size of the measured muon efficiency plateau. We conclude from the present study that the four-gap RPCs are capable of high-rate triggers in high-η region of the CMS experiment.

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Tests of a phenolic four-gap RPC with cosmic muons and high-rate gammas for CMS/LHC experiment

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