Study of eco-friendly gas mixtures for SHiP RPCs View Full Text


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Article Info

DATE

2021-11-19

AUTHORS

M. Kang, Y. Jo, K. S. Lee, S. H. Kim, J.-W. Ko, K. Y. Lee, B. D. Park, J. Y. Sohn, C. S. Yoon, Y. G. Kim, K.-Y. Choi, J.-K. Woo

ABSTRACT

Over the past few decades, tetrafluoroethane (TFE, R134a Freon)-based gases have been widely used in the operation of phenolic resistive plate chambers (RPCs) in many high-energy experiments. However, TFE has a high global warming potential (GWP); therefore, a search for new eco-friendly gases to replace traditional TFE-based ones is now unavoidable. In this research, we present cosmic-ray test results of a prototype RPC for the SHiP (search for hidden particles) experiment using 1.6- and 1.4-mm-thick RPC electrodes containing mixtures of various gases, including 1,3,3,3-tetrafluoropropene (HFO1234ze), CO2, iC4H10 and SF6. We compare the performance data gathered with these new gas mixtures with those gathered with a traditional TFE-based gas used for RPCs in compact muon solenoid (CMS) and a toroidal LHC apparatus (ATLAS) experiments. The addition of CO2 to the HFO1234ze-based gas was found to be fairly effective in reducing the working-point high voltage (HVWP) for RPC operation. The results of our experiments lead us to the conclusion that adding 40% CO2 or less, when combined with HFO1234ze-based gas, is conducive to reliable detector performance for SHiP single-gap phenolic RPCs. More... »

PAGES

1-12

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s40042-021-00325-6

DOI

http://dx.doi.org/10.1007/s40042-021-00325-6

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1142708619


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192 grid-institutes:grid.443793.e schema:alternateName Department of Science Education, Gwangju National University of Education, 61204, Gwangju, South Korea
193 schema:name Department of Science Education, Gwangju National University of Education, 61204, Gwangju, South Korea
194 rdf:type schema:Organization
 




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