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CERN Accelerating science

HL-LHC Conference Papers

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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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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Optics Measurement and Correction Strategies for HL-LHC / Buffat, Xavier (CERN) ; Carlier, Felix Simon (CERN) ; Coello De Portugal - Martinez Vazquez, Jaime Maria ; De Maria, Riccardo (CERN) ; Dilly, Joschua Werner (Humboldt University of Berlin (DE)) ; Fol, Elena (CERN) ; Fuster Martinez, Nuria ; Gamba, Davide (CERN) ; Garcia Morales, Hector ; Garcia-Tabares Valdivieso, Ana (Universidad Complutense (ES)) et al.
The baseline strategy for optics commissioning in the HL-LHC era is presented and reviewed in detail, along with recent developments and unsolved matters in the linear and nonlinear optics measurement and correction techniques..
- 2022. - 102 p.

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Experimental verification of thermal model for PCB mounted MOSFETs used on parallel H-bridge structures. / Garcia Retegui, Rogelio (ICYTE CONICET-UNMdP) ; Wassinger, Nicolas (ICYTE CONICET-UNMdP) ; Maestri, Sebastian (ICYTE CONICET-UNMdP) ; Antoszczuk, Pablo Daniel (ICYTE CONICET-UNMdP) ; Funes, Marcos (ICYTE CONICET-UNMdP) ; Pittet, Serge (CERN)
The upgrade of the Large Hadron Collider (LHC) towards the High Luminosity-LHC (HL-LHC) presents different challenges, among them, the upgrade of the power converters associated to the inner triplet magnets to reach the required nominal current of 18 kA. [...]
- 2021. - 7 p.
Full text

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Conclusion of the Electrical Conformity Assessment Panel on the Installation of the MBH Magnet S2 in the LHC / Siemko, Andrzej (CERN) ; Devred, Arnaud (CERN) ; Rodriguez Mateos, Felix (CERN) ; Schmidt, Rudiger (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE)) ; Verweij, Arjan (CERN) ; Wenninger, Jorg (CERN)
In this report we assess the feasibility for installation of the $Nb_{3}$Sn MBH S2 magnet in the LHC and conclude on possible performance limitations..
- 2021. - 26 p.

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HL-LHC Run 4 proton operational scenario / Tomas Garcia, Rogelio (CERN) ; Arduini, Gianluigi (CERN) ; Baudrenghien, Philippe (CERN) ; Bruning, Oliver (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Calaga, Rama (CERN) ; De Maria, Riccardo (CERN) ; Dilly, Joschua Werner (Humboldt University of Berlin (DE)) ; Efthymiopoulos, Ilias (CERN) et al.
Following new findings in beam dynamics and the latest HL-LHC project decisions, an operational scenario has been developed for the first HL-LHC run, Run 4. [...]
- 2022. - 37 p.

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HL-LHC Experiment Data Quality Working Group Summary Report / Buffat, Xavier (CERN) ; Efthymiopoulos, Ilias (CERN) ; Medina Miranda, Luis David (CERN) ; Tomas Garcia, Rogelio (CERN) ; Wenninger, Jorg (CERN) ; Demers Konezny, Sarah Marie (Yale University (US)) ; Einsweiler, Kevin Frank (Lawrence Berkeley National Lab. (US)) ; Hawkings, Richard (CERN) ; Giacobbe, Benedetto (Universita e INFN, Bologna (IT)) ; Bohm, Christian (Stockholm University (SE)) et al.
This report summarizes the results of the HL-LHC Experimental Data Quality Working Group (EDQ WG). [...]
- 2022.
Full text

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HL-LHC Computing Review Stage 2, Common Software Projects: Data Science Tools for Analysis / Pivarski, Jim (ed.) (Princeton U. (main)) ; Rodrigues, Eduardo (ed.) (Liverpool U.) ; Pedro, Kevin (ed.) (Fermilab) ; Shadura, Oksana (U. Nebraska, Lincoln) ; Krikler, Benjamin (Bristol U.) ; Stewart, Graeme A. (CERN)
This paper was prepared by the HEP Software Foundation (HSF) PyHEP Working Group as input to the second phase of the LHCC review of High-Luminosity LHC (HL-LHC) computing, which took place in November, 2021. [...]
arXiv:2202.02194 ; FERMILAB-CONF-22-061-SCD.
- 26 p.

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LPNHE-FBK Thin n-on-p Pixel Sensors for HL-LHC Upgrade and Beyond / Calderini, G (Paris U., VI-VII) ; Bomben, M (Paris U., VI-VII) ; Boscardin, M (Fond. Bruno Kessler, Povo) ; Bosisio, L (INFN, Trieste ; Trieste U.) ; Borghi, G (Fond. Bruno Kessler, Povo) ; Camacho, R (Paris U., VI-VII) ; Crescioli, F (Paris U., VI-VII) ; Betta, G F Dalla (Trento U. ; INFN, Trento) ; Ficorella, F (Fond. Bruno Kessler, Povo) ; Giacomini, G (Brookhaven) et al.
In view of the LHC upgrade phase towards the High Luminosity LHC (HL-LHC), the ATLAS experiment plans to upgrade the Inner Detector with an all-silicon system. The n-on-p silicon technology is a promising candidate to achieve a large area instrumented with pixel sensors, since it is radiation hard and cost effective. [...]
2021 - 7 p. - Published in : JPS Conf. Proc. 34 (2021) 010021 Fulltext: PDF;
In : 29th International Workshop on Vertex Detectors, Virtual, Japan, 5 - 8 Oct 2020, pp.010021

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Method for common mode voltage analysis in a system with multiple input noise sources / Retegui, R Garcia (Buenos Aires, CONICET) ; Wassinger, N (Buenos Aires, CONICET) ; Maestri, S (Buenos Aires, CONICET) ; Pittet, S (CERN) ; Burnet, JP (CERN)
Power converters associated to inner triplet magnets of the Large Hadron Collider (LHC) are being updated. In this sense, conversion schemes with parallel association of H-bridge structures and integrated local energy storage systems are considered [...]
2019 - 6 p. - Published in : 10.1109/rpic.2019.8882139
In : 18th Workshop on Information Processing and Control (RPIC 2019), Bahía Blanca, Argentina, 18 - 20 Sep 2019, pp.82 - 87

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