CERN Accelerating science

HL-LHC Conference Papers

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2022-07-27
06:03
TCAD simulation of small-pitch 3D sensors for pixel detector upgrades at High Luminosity LHC / Boughedda, A (Constantine U. ; Trento U.) ; Lakhdara, M (Constantine U.) ; Latreche, S (Constantine U.) ; Mendicino, R (INFN, Trento) ; Dalla Betta, G F (Trento U. ; INFN, Trento)
Applications at the High Luminosity LHC (HL-LHC) have required the development of a new generation of 3D pixel sensors with increased pixel granularity, extreme radiation hardness and low material budget. To this purpose, new 3D pixels have small pitch (e.g., 50×50 or 25×100 μm2) and reduced active thickness (∼100 μm). [...]
2021 - 6 p. - Published in : J. Phys. : Conf. Ser. 1766 (2021) 012014 Fulltext: PDF;
In : 10th International Conference on High Energy and Astroparticle Physics (TIC-HEAP), Constantine, Algeria, 18 - 21 Oct 2019, pp.012014

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2022-07-27
06:03
Jet Energy Scale and Resolution in the High-Granularity Timing Detector in ATLAS Upgrades at HL-LHC / Aboulhorma, Asmaa (Rabat U.) ; Fassi, Farida (Rabat U.)
The large increase of pileup is one of the main experimental challenges for the High Luminosity-Large Hadron Collider (HL-LHC) physics program. [...]
2021. - 5 p.
Full text - Fulltext

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2022-07-27
06:03
The Data Acquisition System for the ATLAS Phase-II Tile Calorimeter Demonstrator / Argos, Fernando Carrió (Valencia U., IFIC) /ATLAS Tile Calorimeter System Collaboration
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at Large Hadron Collider (LHC). The TileCal readout system consists of about 10,000 channels [...]
2021 - 4 p. - Published in : EPJ Web Conf. 253 (2021) 01002 Fulltext: PDF;
In : Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA 2021), Prague, Czech Republic, 21 - 25 Jun 2021, pp.01002

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2022-07-26
06:22
Physics studies to define the CMS muon detector upgrade for High-Luminosity LHC / Borgonovi, L (Bologna U. ; INFN, Bologna)
In view of the High-Luminosity phase of LHC, the CMS detec- tor will undergo a major upgrade, the Phase-II Upgrade (2024), consequent to the Phase-I Upgrade (2019). To improve redundancy and extend the coverage to high pseudo-rapidity regions, the muon system will be equipped with new Micro Pat- tern Gaseous detectors. [...]
SIF, 2017 - 9 p. - Published in : Nuovo Cimento C 40 (2017) 85 Fulltext: PDF;
In : 102nd Congresso Nazionale della Societa Italiana di Fisica (SIF 2016), Padua, Italy, 26 - 30 Sep 2016, pp.85

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2022-07-01
13:40
Measurement of Excess Noise in Thin Film and Metal Foil Resistor Networks / Beev, Nikolai (CERN)
Low-frequency resistance fluctuations cause excess noise in biased resistors. The magnitude of these fluctuations varies significantly between different resistor types. [...]
CERN-ACC-2022-0010.- Geneva : CERN, 2022
In : 2022 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Ottawa, Ca, 16 - 19 May 2022

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2022-07-01
13:34
A Metrology-grade Digitizer for Power Converters in the High Luminosity Large Hadron Collider / Beev, Nikolai (CERN) ; Cerqueira Bastos, Miguel (CERN) ; Martino, Michele (CERN) ; Valuch, Daniel (CERN)
The High Luminosity Large Hadron Collider project at CERN requires performance improvements in the precision powering of magnets, in particular for the new Nb3Sn based Inner Triplet magnets that provide the final focusing of the hadron beams at the interaction points of the ATLAS and CMS detectors. This work presents a new digitizer, the HPM7177, which is part of the signal chain for high precision measurements of magnet current..
CERN-ACC-2022-0009.- Geneva : CERN, 2022
In : 2022 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Ottawa, Ca, 16 - 19 May 2022

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2022-06-28
06:01
Evolution of ATLAS analysis workflows and tools for the HL-LHC era / Cameron, David (Oslo U.) ; Forti, Alessandra (Manchester U.) ; Klimentov, Alexei (Brookhaven Natl. Lab.) ; Pacheco Pages, Andrés (Barcelona, IFAE ; PIC, Bellaterra) ; South, David (DESY)
The High Luminosity LHC project at CERN, which is expected to deliver a ten-fold increase in the luminosity of proton-proton collisions over LHC, will start operation towards the end of this decade and will deliver an unprecedented scientific data volume of multi-exabyte scale. This vast amount of data has to be processed and analysed, and the corresponding computing facilities must ensure fast and reliable data processing for physics analyses by scientific groups distributed all over the world. [...]
2021 - 11 p. - Published in : EPJ Web Conf. 251 (2021) 02002 Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.02002

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2022-06-28
06:01
Preparing for HL-LHC: Increasing the LHCb software publication rate to CVMFS by an order of magnitude / Bocchi, Enrico (CERN) ; Blomer, Jakob (CERN) ; Couturier, Benjamin (CERN) ; Burr, Christopher (CERN) ; van der Ster, Dan (CERN)
In the HEP community, software plays a central role in the operation of experiments’ facilities and for reconstruction jobs, with CVMFS being the service enabling the distribution of software at scale. In view of High Luminosity LHC, CVMFS developers investigated how to improve the publication workflow to support the most demanding use cases. [...]
2021 - 9 p. - Published in : EPJ Web Conf. 251 (2021) 02034 Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.02034

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2022-06-12
06:06
Successful Crabbing of Proton Beams / Calaga, Rama (CERN) /HL-LHC Collaboration
Many future particle colliders require beam crabbing to recover the geometric luminosity loss from the non-zero crossing angle at the interaction point. A first demonstration experiment of crabbing with hadron beams was successfully carried out with high energy protons. [...]
Geneva : JACoW, 2021 - 6 p. - Published in : JACoW IPAC 2021 (2021) 2510-2515 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2510-2515

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2022-06-04
06:06
Overview and recent results of the CMS muon system upgrade / Aruta, Caterina (Bari U. ; INFN, Bari) /CMS Collaboration
The detectors and electronics of the muon spectrometer of the Compact Muon Solenoid (CMS) experiment will be upgraded to cope with the new, challenging data-taking conditions expected at the High Luminosity phase of the Large Hadron Collider (HL-LHC). These upgrades will improve the present tracking and triggering capabilities. [...]
2022 - 10 p. - Published in : Int. J. Mod. Phys. A 37 (2022) 2240008
In : 9th International Conference on New Frontiers in Physics (ICNFP), Online, Greece, 4 - 12 Sep 2020, pp.2240008

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