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View article: Long term aging studies of the new PMTs used for the HL-LHC ATLAS hadron calorimeter upgrade
Long term aging studies of the new PMTs used for the HL-LHC ATLAS hadron calorimeter upgrade Open
The central hadron calorimeter (TileCal) of the ATLAS experiment at the Large Hadron Collider (LHC) is a sampling calorimeter read out by about 10,000 photomultipliers (PMTs). Earlier studies of performance showed a degradation in PMTs res…
View article: Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade
Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade Open
In the HL-LHC phase we expect that PMTs installed in the ATLAS Tile Calorimeter, will collect a large anodic charge with a reduction of their response. Based on data collected on currently installed PMTs (Hamamatsu R7877), the ATLAS Collab…
View article: Upgrade of the ATLAS Tile Calorimeter for the High Luminosity LHC
Upgrade of the ATLAS Tile Calorimeter for the High Luminosity LHC Open
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. TileCal is a sampling calorimeter with steel as absorber and scintillators as active medium. The scintillators are read-out by …