The High Luminosity LHC
Performance of the ATLAS Hadronic Tile Calorimeter in Run-2 and its Upgrade for the High Luminosity LHC
... The Large Hadron Collider (LHC) has envisaged a series of upgrades towards a High Luminosity LHC (HL-LHC), delivering five times the LHC nominal instantaneous lumi- nosity. The ...
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Data-acquisition system developments for ATLAS pixel QA and QC test toward High-Luminosity LHC
... the High-luminosity LHC (HL-LHC) upgrade, the whole ATLAS inner tracker will be replaced by a new silicon detector ...a high density of produced particles is ...environment, ...
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Calorimeter Upgrades for the High Luminosity LHC
... → improved pile-up suppression and identification of energy peaks → more refined and better calibrated input to trigger system. 17[r] ...
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The High Luminosity LHC (HL-LHC) Project at CERN: The Challenge Ahead
... Add high-Z material shielding INSIDE the vacuum system The collision debris generated by the high-luminosity interactions is lost mainly in two planes perpendicular to each other, across the ...
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ATLAS Trigger and DAQ Upgrades for High-Luminosity LHC
... As a reference, the offline reconstructed tracks having a p T greater than 20 GeV/c is shown in green. 4 Level-1 Track-Trigger Association of track information with trigger signatures from the calorimeter and muon ...
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Upgrade of the ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC
... The super-drawers are constructed of mechanically linked Mini-Drawers (MD), shown in Figure 1. They hold the PMTs and on-detector electronics. Each MD can hold up to 12 PMTs and is electrically independent from its ...
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Design and testing of a four rod crab cavity for High Luminosity LHC
... the LHC high luminos- ity ...the LHC luminosity upgrade to provide a greater bunch overlap in the presence of a crossing angle, but must fit in the existing limited ...the LHC are ...
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Prediction of Beam Losses during Crab Cavity Quenches at the High Luminosity LHC
... Studies of the crab cavities at KEKB revealed that the RF phase could shift by up to 50 ◦ within ∼50 µs during a quench; while the cavity voltage is still at approximately 75% of its nominal amplitude. If such a failure ...
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ATLAS Tile Calorimeter Readout Electronics Upgrade Program for the High Luminosity LHC
... Board sROD Prototype tested Passed first radiation tests Now making demonstrator version 2 previous partial functional prototypes were successful 3 rd version fully fu[r] ...
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CMS Computing Resources: Meeting the demands of the high-luminosity LHC physics program
... detector and online trigger performance; software performance; analysis data requirements; data access, management, and retention policies; site characteristics; and network performance. Longer term modeling is affected ...
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Prospects for Higgs Boson Measurements and Beyond Standard Model Physics at the High-Luminosity LHC with CMS
... In fact, the scalar nature of the particle, presents theoretical challenges. Radiative corrections to the Higgs should cause the mass to increase to very high values. New physics must appear at masses not too far ...
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Design and vertical tests of double quarter wave cavity prototypes for the high luminosity LHC crab cavity system
... The limited time available to test the present cavity with a fixed coupler did not allow, however, a full conditioning. Simulations predicted weak multipacting signatures in the blending of the small ports for deflecting ...
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Beyer, Julien-Christopher (2019): Optimisation of pixel modules for the ATLAS inner tracker at the high-luminosity LHC. Dissertation, LMU München: Fakultät für Physik
... a high inclination does not significantly improve the breakdown voltage, it has been verified that a decreased p-spray dose and an increased aluminium overhang both increase the breakdown ...
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Alla scoperta della realtà: le nuove frontiere di Fisica e tecnologia al CERN. Lucio Rossi CERN High Luminosity LHC Project Leader
... Lucio Rossi – Padova– 8.. mass –energy of the universe.. 3) Identify created particles in?. Detector (search for new clues).[r] ...
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Lucio Rossi CERN- High Luminosity LHC Project Leader. CERN: un opportunità per le aziende Torino, 31 Marzo 2014, Centro Congressi Unione Industriali
... Precision mechanics under large forces with high pressure precisom. hydraulics, precision sensor, automatization[r] ...
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Development of Diamond Tracking Detectors for High Luminosity Experiments at the LHC
... the LHC R&D program. Official recognition of RD42 by CERN with the LHC R&D program has helped in the past to obtain funding from national ...very high luminosity upgrades of the LHC, ...
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Chapter 1. High Luminosity Large Hadron Collider HL-LHC FERMILAB-PUB TD. 1 High Luminosity Large Hadron Collider HL-LHC
... FP7-HiLumi LHC covers only a few work packages (WPs), although they are the backbone of the ...HiLumi LHC is the term indicating the part of the HL-LHC that is covered by FP7 funds, even if in ...
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Motivations and precision targets for an accurate luminosity determination at the LHC
... very high, setting tough requirements on the determination of the luminosity and of the experimental accuracy, in order to allow a precise ex- traction of the fundamental theory ...the LHC, the ...
HiLumi LHC FP7 High Luminosity Large Hadron Collider Design Study. FCC-ee Overview
... Figure 7: Schematic layouts and boundaries in the Geneva region [26]. Figure 8: Arc-cell layout for 120 and 175 GeV [27]. At lower energies the arc cell length may need to be increased in order to maintain a reasonably ...
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Luminosity reduction caused by phase modulations at the HL LHC crab cavities
... 355 the maximum peak-to-peak phase displacement will be ∼ 0.25 rad at 400 MHz (100 ps in time) along a bunch train. The RF phase of the crab cavities cannot be modulated to follow this phase modulation due to their ...
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