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9 - Physics
University of Glasgow
The CMS experiment at the CERN LHC
I led the development and operation of a laboratory at Imperial that characterised the Lead-Tungstate crystals used in the construction of the CMS end-cap electromagnetic calorimeter. We performed many different types of measurements (light transmission; light collection uniformity; radiation hardness; annealing strategies; recovery time constants; wrapping strategies, uniformisation techniques, etc.) that were used to establish the design and performance of the end-cap described in Sections 4.1 and 4.2. I also coordinated the EU-USSR project that developed the carbon fibre “alveola” support structures for the end-cap crystals that we describe in Section 4.2.