Abstract
Over the five experiments (ALICE, ATLAS, CMS, LHCb and TOTEM) taking data at the CERN Large Hadron Collider (LHC) 30 gas systems are delivering the proper gas mixture to the corresponding detectors. They are complex systems that extend over several hundred meters and have to ensure an extremely high reliability in terms of stability and quality of the gas mixture delivered to the detectors. In fact, the gas mixture is the sensitive medium and a correct and stable composition is a basic requirement for good and safe long-term operation. The present contribution describes the design philosophy focusing the attention on the main functional modules. The reliability over the past years is also discussed.
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Notes
- 1.
A PLC (Programmable Logic Computer) is an industrial pc with basic functionalities.
- 2.
PROFIBUS (Process Field Bus) is a standard for field bus communication in automation technology and was first promoted in 1989 by BMBF (German department of education and research) and then used by Siemens.
References
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Guida, R., et al.: Development of a CF4 recuperation plant for the Cathode Strip Chambers detector at the CERN Compact Muon Solenoid experiment. In: IEEE Nuclear Science Symposium Conference Record, pp. 1433–1438 (2010)
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Guida, R., Capeans, M., Mandelli, B. (2018). Gas Systems for Particle Detectors at the LHC Experiments: Overview and Perspectives. In: Liu, ZA. (eds) Proceedings of International Conference on Technology and Instrumentation in Particle Physics 2017. TIPP 2017. Springer Proceedings in Physics, vol 212. Springer, Singapore. https://doi.org/10.1007/978-981-13-1313-4_19
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DOI: https://doi.org/10.1007/978-981-13-1313-4_19
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