publication . Other literature type . 2012

Upgrade of the CMS hardron calorimeter for an upgraded LHC

Anderson, Jake;
Open Access English
  • Published: 13 Sep 2012
The CMS barrel and endcap hadron calorimeters (Hcal) upgrading the current photo-sensors are hybrid photodiodes (HPDs) to meet the demands of the upgraded luminosity of the LHC. A key aspect of the Hcal upgrade is to add longitudinal segmentation to improve background rejection, energy resolution, and electron isolation at L1 trigger. The increased segmentation can be achieved by replacing the HPD's with multi-pixel Geiger-mode avalanche photodiodes. The upgraded electronics are required to operate in a harsh environment and are constrained by the existing infrastructure. The proposed solutions span from chip level to system level. They include the development o...
free text keywords: Detectors and Experimental Techniques
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Other literature type . 2012
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