The CMS High Granularity Calorimeter for HL-LHC

被引：0

作者：

Mastrolorenzo, L. ^{[1
]}

机构：

[1] Imperial Coll London, Blackett Lab, Prince Consort Rd, London SW7 2AZ, England

来源：

PROCEEDINGS OF THE 21ST PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC 2017) | 2018年 / 46卷

关键词：

HGCAL; CMS; HL-LHC; CMS Phase-II Upgrade; Calorimetry;

D O I：

10.1142/S2010194518600753

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The High Luminosity LHC (HL-LHC) will integrate 10 times more luminosity than the LHC, posing significant challenges for radiation tolerance and event pileup on detectors, its HL-LHC upgrade program, the CMS Collaboration is designing a High Granularity Calorimeter (HGCAL) to replace the existing endcap calorimeters. It features unprece- dented transverse and longitudinal segmentation for both electromagnetic (CE-E) and hadronic (CE-H) compartments. This will facilitate particle-flow (PF) calorimetry, where the fine structure of showers can be measured and used to enhance pileup rejection and particle identification, whilst still achieving good energy resolution. The CE-E and a large fraction of CE-H will be based on hexagonal silicon sensors of 0.5 - 1 cm(2) cell readout. The intrinsic high-precision timing capabilities of the silicon sensors will add an extra dimension to event reconstruction, especially in terms of pileup rejection. An overview of the HGCAL project is presented in this paper.

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