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TileCal, the central hadronic calorimeter of the ATLAS detector is composed of plastic scintillators interleaved by steel plates, and wavelength shifting optical fibres. The optical properties of these components are known to suffer from…

Instrumentation and Detectors · Physics 2019-05-06 R. Pedro

The next upgrade of the Large Hadron Collider (LHC) is planned from 2026 when the collider will move to its High Luminosity phase (HL-LHC). The CMS detector needs to be substantially upgraded during this period to exploit the fourfold…

Instrumentation and Detectors · Physics 2023-02-01 Tamas Almos Vami , Morris Swartz

The CMS detector at the LHC is in the final stages of preparation. The high resolution Electromagnetic Calorimeter, which consists of nearly 76000 lead tungstate crystals, will play a crucial role in the coming physics searches undertaken…

Instrumentation and Detectors · Physics 2008-10-06 D. J. A. Cockerill

The era of High-Luminosity Large Hadron Collider will pose unprecedented challenges for detector design and operation. The planned luminosity of the upgraded machine is 5-7.5 x 10$^{34}$ cm$^{-2}$ s$^{-1}$, reaching an integrated luminosity…

Instrumentation and Detectors · Physics 2022-10-17 Erik Butz

The High Luminosity Large Hadron Collider (HL-LHC) at CERN is expected to collide protons at a center-of-mass energy of 14 TeV and to reach the unprecedented peak instantaneous luminosity of $7.5 \times 10^{34} \text{cm}^{-2} \text{s}^{-1}$…

Instrumentation and Detectors · Physics 2023-01-26 Sascha Liechti

Within the CALICE collaboration, several concepts for the hadronic calorimeter of a future linear collider detector are studied. After having demonstrated the capabilities of the measurement methods in "physics prototypes", the focus now…

Instrumentation and Detectors · Physics 2019-04-26 Christian Graf

The installation of the High-Luminosity Large Hadron Collider (HL-LHC) presents unprecedented challenges to experiments like the Compact Muon Solenoid (CMS) in terms of event rate, integrated luminosity and therefore radiation exposures. To…

Instrumentation and Detectors · Physics 2020-08-26 Peter Paulitsch

The LHC machine is planning an upgrade program, which will smoothly bring the instantaneous luminosity to about $5-7.5\times10^{34}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$ in 2028, to possibly reach an integrated luminosity of 3000-4500 fb$^{-1}$…

Instrumentation and Detectors · Physics 2019-11-07 Ernesto Migliore

This article describes the Laser calibration system of the Atlas hadronic Tile Calorimeter that has been used during the run 1 of the LHC. First, the stability of the system associated readout electronics is studied. It is found to be…

Instrumentation and Detectors · Physics 2016-10-13 ATLAS Tile Calorimeter system

The Tile Calorimeter (TileCal) is one detector of the ATLAS experiment at the Large Hadron Collider (LHC). TileCal is a sampling calorimeter made of steel plates and plastic scintillators which are readout using approximately 10,000…

Instrumentation and Detectors · Physics 2019-09-04 F. Carrió , A. Valero

The CMS endcap calorimeter upgrade for the High Luminosity LHC in 2027 uses silicon sensors to achieve radiation tolerance, with the further benefit of a very high readout granularity. Small scintillator tiles with individual SiPM readout…

Instrumentation and Detectors · Physics 2020-06-11 Antonio Di Pilato , Ziheng Chen , Felice Pantaleo , Marco Rovere

The CMS Hadron Calorimeter in the barrel, endcap and forward regions is fully commissioned. Cosmic ray data were taken with and without magnetic field at the surface hall and after installation in the experimental hall, hundred meters…

Instrumentation and Detectors · Physics 2012-08-27 CMS Collaboration

The High Luminosity LHC phase includes an upgrade to the muon stations for the CMS Experiment. CMS trigger and muon identification performance will be crucial, and it is, therefore, necessary to install new GEM stations to extend acceptance…

The CMS Level-1 calorimeter trigger is being upgraded in two stages to maintain performance as the LHC increases pile-up and instantaneous luminosity in its second run. In the first stage, improved algorithms including event-by-event…

A highly granular hadronic calorimeter (HCAL) based on scintillator tiles with individual readout by silicon photomultipliers (SiPMs) has been constructed by the CALICE collaboration and has been tested extensively in particle beams at…

Instrumentation and Detectors · Physics 2019-08-13 Frank Simon

The LHC will undergo a major upgrade starting in 2025 towards the High Luminosity LHC (HL-LHC) to increase the instantaneous luminosity by a factor of 5 to 7 compared to the nominal value. The Phase-II Upgrade (2025-2027) will require the…

Instrumentation and Detectors · Physics 2020-11-06 Fernando Carrió Argos

Hadron calorimeter (HCAL) is an essential sub-detector of the baseline detector system for Circular Electron Positron Collider (CEPC). We plan to build an Analog Hadron CALorimeter (AHCAL) prototype based on the Particle Flow Algorithm…

Instrumentation and Detectors · Physics 2022-05-18 Y. Duan , J. Jiang , J. Li , L. Li , S. Li , D. Liu , J. Liu , Y. Liu , B. Qi , R. Qian , Z. Shen , Y. Shi , X. Wang , Z. Wang , H. Yang , B. Yu , Y. Zhang

This study constructs a hybrid module with a multi-material collaborative detection architecture by integrating silicon pixel layers into the longitudinally segmented scintillating fiber sampling calorimeter module and optimizes the…

Instrumentation and Detectors · Physics 2025-09-30 Jia-Le Fei , Ao Yuan , Chang-Heng Huang , Liu-Pan An , Ji-Ke Wang

The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment at LHC. This sampling calorimeter uses steel plates as absorber and scintillating tiles as active medium. The light produced by…

Instrumentation and Detectors · Physics 2019-09-04 Marija Marjanovic

To achieve the physics goal of precisely measure the Higgs, Z, W bosons and the top quark, future electron-positron colliders require that their detector system has excellent jet energy resolution. One feasible technical option is the high…