Design and Performance of the Cooling System for the Electromagnetic Calorimeter of CMS

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For the physics program of the CMS experiment at the LHC to be carried out successfully, excellent electromagnetic calorimetry is required. Given the thermal properties of CMS ECAL, keeping the constant term of the energy resolution below 0.5% needs its temperature to be stabilized at 18 degrees C w...

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Detalles Bibliográficos
Autores principales: Franzoni, F, Baillon, P, Cogan, J, Ferri, F, Ghezzi, A, Govoni, P, Negri, P, Paganoni, M, Pastrone, N, Pullia, A, Ragazzi, S, Redaelli, N, Rovelli, C, Salerno, R, Tabarelli de Fatis, T, Teller, O
Lenguaje:eng
Publicado: 2004
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/790579
Descripción
Sumario:For the physics program of the CMS experiment at the LHC to be carried out successfully, excellent electromagnetic calorimetry is required. Given the thermal properties of CMS ECAL, keeping the constant term of the energy resolution below 0.5% needs its temperature to be stabilized at 18 degrees C within 0.05 degrees C. A prototype module of ECAL with the final cooling system has been tested at CERN to check its integration with the read-out electronics and verify that it complies with the severe thermal requirements.The thermal performance of the cooling system is reported here.

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