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Perfluorocarbons and their use in cooling systems for semiconductor particle detectors

Abstract : We report on the development of evaporative fluorocarbon cooling for the semiconductor pixel and micro-strip sensors of inner tracking detector of the ATLAS experiment at the future CERN large hadron collider (LHC). We proceeded with studies using perfluoro-n-propane (3M-"PFG 5030"; C3F8), perfluoro-n-butane (3M-"PFG 5040"; C4F10), trifluoro-iodo-methane (CF3I) and custom C3F8/C4F10 mixtures. Certain thermo-physical properties had to be verified for these fluids. Sound velocity was calculated for the pure fluids and custom mixtures. A sonar instrument was developed for the measurement of sound velocity in the above fluids at a variety of temperatures and pressures. Irradiation studies were made on the fluids using neutrons and gamma rays to determine their suitability for use in the high radiation environment at LHC.
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http://hal.in2p3.fr/in2p3-00011261
Contributor : Magali Damoiseaux Connect in order to contact the contributor
Submitted on : Monday, March 11, 2002 - 11:53:27 AM
Last modification on : Tuesday, October 19, 2021 - 10:50:09 PM

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  • HAL Id : in2p3-00011261, version 1

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V. Vacek, G. Hallewell, S. Ilie, S. Lindsay. Perfluorocarbons and their use in cooling systems for semiconductor particle detectors. Fluid Phase Equilibria, Elsevier, 2000, 174, pp.191-201. ⟨in2p3-00011261⟩

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