CMS Hadron Forward Calorimeter Phase I Upgrade Status

被引：0
|
作者：
Onel, Yasar [1 ]
机构：
[1] Univ Iowa, Iowa City, IA 52242 USA
来源：
2015 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (NSS/MIC) | 2015年
关键词：
LHC; CMS; hadron calorimeter; photomultiplier tube; forward calorimetry; calorimeter upgrades; PERFORMANCE; CALIBRATION; DESIGN;
D O I：
暂无
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
The Hadron Forward Calorimeter of CMS completed the Long Shutdown 1 part of the Phase I upgrade. Approximately 1800 photomultiplier tubes were replaced with thinner window, higher quantum efficiency, four-anode photo multiplier tubes. The new photomultiplier tubes will provide better light detection performance, a significantly reduced background and unique handles to recover the signal in the presence of background. The upgrade is also associated with new cabling and channel segmentation options. This report will describe the upgrade and the nature of the essential upgrade elements with supporting test results.
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