Construction and commissioning of CMS CE prototype silicon modules

CMS HGCAL collaboration

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

As part of its HL-LHC upgrade program, the CMS collaboration is developing a High Granularity Calorimeter (CE) to replace the existing endcap calorimeters. The CE is a sampling calorimeter with unprecedented transverse and longitudinal readout for both electromagnetic (CE-E) and hadronic (CE-H) compartments. The calorimeter will be built with ~30,000 hexagonal silicon modules. Prototype modules have been constructed with 6-inch hexagonal silicon sensors with cell areas of 1.1 cm2, and the SKIROC2-CMS readout ASIC. Beam tests of different sampling configurations were conducted with the prototype modules at DESY and CERN in 2017 and 2018. This paper describes the construction and commissioning of the CE calorimeter prototype, the silicon modules used in the construction, their basic performance, and the methods used for their calibration.

Original languageEnglish
Article numberT04002
JournalJournal of Instrumentation
Volume16
Issue number4
DOIs
StatePublished - Apr 2021

Keywords

  • Calorimeters
  • Large detector systems for particle and astroparticle physics
  • Performance of high energy physics detectors
  • Si microstrip and pad detectors

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