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Testbeam results for the SiW electromagnetic calorimeter

Abstract : A prototype of a highly granular SiW electromagnetic calorimeter composed of approximately 10000 cells contained in a volume of 18x18x30cm^3 for an ILC detector has been examined in test beam campaigns conducted by the CALICE collaboration. Within the test beam environment a signal over noise ratio has been found to be 7.5 compared with the goal of 10 as envisaged for an ILC detector. The energy resolution of approximately 17%/sqrt{E[GeV]} is well within specifications. With the extracted linearity of approximately 1% the proof-of-principle is given that these high granular calorimeters can be operated successfully under beam conditions. The data will be further analysed in terms of exploiting the unprecedented high granularity which allows for instance the tracking of individual particles within hadronic cascades. The latter constitutes an important input to the tuning of existing hadronic shower models as available within the simulation toolkit GEANT4.
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http://hal.in2p3.fr/in2p3-00453025
Contributor : Sabine Starita <>
Submitted on : Wednesday, February 3, 2010 - 4:27:33 PM
Last modification on : Wednesday, September 16, 2020 - 4:21:36 PM

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M. Faucci-Giannelli. Testbeam results for the SiW electromagnetic calorimeter. 1st International Conference on Technology and Instrumentation in Particle Physics (TIPP09), Mar 2009, Tsukuba, Japan. ⟨10.1016/j.nima.2010.02.206⟩. ⟨in2p3-00453025⟩

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