Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade

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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 Collaboration plans to replace a fraction ($\simeq$ 10\%) with a new mode...

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Autores principales: Chiarelli, Giorgio, Di Gregorio, Giulia, Leone, Sandra, Scuri, Fabrizio
Lenguaje:eng
Publicado: 2022
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/2820210
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author Chiarelli, Giorgio
Di Gregorio, Giulia
Leone, Sandra
Scuri, Fabrizio
author_facet Chiarelli, Giorgio
Di Gregorio, Giulia
Leone, Sandra
Scuri, Fabrizio
author_sort Chiarelli, Giorgio
collection CERN
description 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 Collaboration plans to replace a fraction ($\simeq$ 10\%) with a new model (Hamamatsu R11187)that will withstand that 600~C expected to be integrated by the ones reading the most exposed cells. In this work we present, for the first time, how model R11187 performs up to an integrated charge of 500~C.
id cern-2820210
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2022
record_format invenio
spelling cern-28202102022-07-29T19:32:52Zhttp://cds.cern.ch/record/2820210engChiarelli, GiorgioDi Gregorio, GiuliaLeone, SandraScuri, FabrizioLong term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgradeParticle Physics - ExperimentIn 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 Collaboration plans to replace a fraction ($\simeq$ 10\%) with a new model (Hamamatsu R11187)that will withstand that 600~C expected to be integrated by the ones reading the most exposed cells. In this work we present, for the first time, how model R11187 performs up to an integrated charge of 500~C.ATL-TILECAL-PROC-2022-007oai:cds.cern.ch:28202102022-07-29
spellingShingle Particle Physics - Experiment
Chiarelli, Giorgio
Di Gregorio, Giulia
Leone, Sandra
Scuri, Fabrizio
Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade
title Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade
title_full Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade
title_fullStr Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade
title_full_unstemmed Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade
title_short Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade
title_sort long term aging test of the new pmts for the hl-lhc atlas hadron calorimeter upgrade
topic Particle Physics - Experiment
url http://cds.cern.ch/record/2820210
work_keys_str_mv AT chiarelligiorgio longtermagingtestofthenewpmtsforthehllhcatlashadroncalorimeterupgrade
AT digregoriogiulia longtermagingtestofthenewpmtsforthehllhcatlashadroncalorimeterupgrade
AT leonesandra longtermagingtestofthenewpmtsforthehllhcatlashadroncalorimeterupgrade
AT scurifabrizio longtermagingtestofthenewpmtsforthehllhcatlashadroncalorimeterupgrade

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