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Available on CMS information server CMS CR-2008/056 The Compact Muon Solenoid Experiment

Summary: Available on CMS information server CMS CR-2008/056
The Compact Muon Solenoid Experiment
Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland
Conference Report
22 July 2008
Quartz Plate Calorimeter as SLHC Upgrade to
CMS Hadronic EndCap Calorimeters
U. Akgun, P. Bruecken, K. Cankocak, F. Duru, J. Merlo, Y. Onel The University of Iowa, Iowa City IA, 52242,
USA L. Cremaldi University of Mississippi, University, MS 38677, USA I. Dumanoglu Cukurova University,
Adana, Turkey A. Penzo University of Trieste and INFN, Trieste, Italy D. Winn Fairfield University, Fairfield, CT
06430, USA
Due to an expected increase in radiation damage under super-LHC conditions, we propose to substitute
the scintillator tiles in the original design of the hadronic endcap (HE) calorimeter with quartz plates.
Quartz is proved to be radiation hard by the radiation damage tests with electron, proton, neutron and
gamma beams. Using wavelength shifting fibers, it is possible to collect efficiently the Cherenkov light
generated in quartz plates. This paper summarizes the results from various test beams, bench tests,
and Geant4 simulations done on methods of collecting light from quartz plates, as well as radiation
hardness tests on quartz material.
Presented at CALOR 2008,May 2008,Pavia,Italy


Source: Akgun, Ugur - Department of Physics and Astronomy, University of Iowa


Collections: Physics