CMS Electromagnetic Trigger commissioning and first operation experiences

The CMS electromagnetic calorimeter (ECAL) is a high-resolution calorimeter made of 75848 lead tungstate crystals and optimized for the discovery of the Higgs boson in its two photon decay mode. In view of the high raw event rate at the Large Hadron Collider, the ECAL Trigger will play a major role....

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Bibliographic Details
Published in:Journal of physics. Conference series 2009-04, Vol.160 (1), p.012062
Main Authors: Paganini, Pascal, collaboration, the CMS
Format: Article
Language:English
Subjects:
Commissioning
Cosmic rays
Higgs bosons
Large Hadron Collider
Lead tungstates
Physics
Solenoids
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Summary:The CMS electromagnetic calorimeter (ECAL) is a high-resolution calorimeter made of 75848 lead tungstate crystals and optimized for the discovery of the Higgs boson in its two photon decay mode. In view of the high raw event rate at the Large Hadron Collider, the ECAL Trigger will play a major role. This paper reviews the strategy and the tests completed to ensure that the ECAL Trigger reaches the required specifications. The results from the commissioning and the first experiences with cosmic ray data are presented.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/160/1/012062