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Time reconstruction and performance of the CMS electromagnetic calorimeter
Journal article   Open access  Peer reviewed

Time reconstruction and performance of the CMS electromagnetic calorimeter

CMS Collaboration, C Amsler, V Chiochia, S De Visscher and Yasar Onel
Journal of instrumentation, Vol.5(3), T03011
2010
DOI: 10.1088/1748-0221/5/03/T03011
url
https://doi.org/10.1088/1748-0221/5/03/T03011View
Published (Version of record) Open Access

Abstract

The resolution and the linearity of time measurements made with the CMS electromagnetic calorimeter are studied with samples of data from test beam electrons, cosmic rays, and beam-produced muons. The resulting time resolution measured by lead tungstate crystals is better than 100 ps for energy deposits larger than 10 GeV. Crystal-to-crystal synchronization with a precision of 500 ps is performed using muons produced with the first LHC beams in 2008.
Physics Physics Institute

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