CERN Accelerating science

HL-LHC Conference Papers

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Accessing HH at ATLAS and CMS with the HL-LHC / Teixeira De Lima, Rafael  (SLAC)
Directly measuring the Higgs self-coupling through Higgs pair production is an active area of interest for the LHC experiments, with a current limit around 10 times the Standard Model cross section per experiment. These results, exploting early Run 2 LHC data, show that a much larger dataset will be needed for discovering the Standard Model HH production process. [...]
SISSA, 2021 - 5 p. - Published in : PoS LHCP2020 (2021) 082 Fulltext: PDF;
In : 8th Conference of Large Hadron Collider Physics (LHCP), Online, 25 - 30 May 2020, pp.082

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Future physics with the CMS experiment at the High-Luminosity LHC / Savin, Alexander A (U. Wisconsin, Madison (main)) /CMS Collaboration
The High-Luminosity LHC will extend the LHC program to the second half of the 2030s with pp collisions at 14 TeV with an integrated luminosity of 3000 fb$^{-1}$, and PbPb and pPb collisions with integrated luminosities of 13 and 50 nb$^{-1}$, respectively. The CMS Collaboration has developed an extensive physics program that should explore this expected unprecedented set of data. [...]
2021 - 12 p. - Published in : Phys. Scr. 96 (2021) 124003
In : 9th International Conference on New Frontiers in Physics (ICNFP), Online, Greece, 4 - 12 Sep 2020

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Design of High-Precision lifting system for the HL-LHC Heavy Components in the interaction region / Micolon, Frederic ; Sosin, Mateusz (CERN)
Given the high radiation level and the tight alignment tolerances, the HL-LHC interaction region components are designed to be realigned remotely using motorized supporting jacks, as human interventions in these zones must be limited to the strict minimum. A position adjustment system will allow a vertical and horizontal displacement of each jack support by at least +/- 2.5 mm with a resolution of less than 10 μm [...]
CERN-ACC-2021-0006.- Geneva : CERN, 2021 - 4 p.
In : 11th International Conference on Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation, Online, Us, Online, 26 - 29 Jul 2021, pp.MEDSI20

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Future Physics Prospects with the CMS Detector at the High-Luminosity LHC / Henderson, Conor (U. Alabama, Tuscaloosa)
The High-Luminosity Large Hadron Collider is expected to deliver up to 3000 fb$^{-1}$ of proton-proton collisions at 14 TeV center-of-mass energy. [...]
arXiv:2107.09835 ; CMS CR-2021/077.
- 6 p.

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Assembly and Tests of Mechanical Models of the 15-T Nb$_3$Sn Dipole Demonstrator / Orozco, Charles (Fermilab) ; Carmichael, Justin (Fermilab) ; Novitski, Igor (Fermilab) ; Stoynev, Stoyan (Fermilab) ; Zlobin, Alexander V (Fermilab)
Within the U.S. [...]
- 2019. - 4 p.
Fermilab Accepted Manuscript - Fulltext

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Heat Treatment Optimization of Rutherford Cables for a 15-T Nb$_3$Sn Dipole Demonstrator / Barzi, Emanuela (Fermilab) ; Bossert, Marianne (Fermilab) ; Field, Michael (Fermilab) ; Li, Pei (Fermilab) ; Miao, Hanping (Fermilab) ; Parrell, Jeff (Fermilab) ; Turrioni, Daniele (Fermilab) ; Zlobin, Alexander V (Fermilab) /HighFled Magnets Collaboration
Fermi National Accelerator Laboratory has been developing a 15-T Nb$_3$Sn dipole demonstrator for a future very high energy pp collider based on an optimized 60-mm aperture four-layer “cos-theta” coil. To increase the magnet efficiency, the coil was graded by using two cables with same 15 mm width and different thicknesses made of two different restacked rod process (RRP) wires. [...]
FERMILAB-CONF-16-607-TD.- 2017 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4802905 Fulltext: PDF; External link: Fermilab Accepted Manuscript
In : Applied Superconductivity Conference, Denver, CO, USA, 4 - 9 Sep 2016, pp.4802905

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Magnetic and Mechanical Analysis of the HQ Model Quadrupole Designs for LARP / Felice, Helene (LBNL, Berkeley) ; Caspi, Shlomo (LBNL, Berkeley) ; Ferracin, Paolo (LBNL, Berkeley) ; Kashikhin, Vadim (Fermilab) ; Novitski, Igor (Fermilab) ; Sabbi, GianLuca (LBNL, Berkeley) ; Zlobin, Alexander (Fermilab)
Insertion quadrupoles with large bore and high gradient are required to upgrade the luminosity of the large hadron collider (LHC). The US LHC accelerator research program is developing Nb$_3$Sn technology for the upgrade. [...]
2008 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 18 (2008) 281-284
In : 20th International Conference on Magnet Technology, Philadelphia, PA, USA, 27 - 31 Aug 2007, pp.281-284

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Test Results of 15 T Nb$_3$Sn Quadrupole Magnet HQ01 with a 120 mm Bore for the LHC Luminosity Upgrade / Caspi, S (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven) ; Barzi, E (Fermilab) ; Bingham, B (LBL, Berkeley) ; Bossert, R (Fermilab) ; Cheng, D W (LBL, Berkeley) ; Chlachidze, G (Fermilab) ; Dietderich, D R (LBL, Berkeley) ; Felice, H (LBL, Berkeley) et al.
In support of the luminosity upgrade of the Large Hadron Collider (LHC), the US LHC Accelerator Research Program (LARP) has been developing a 1-meter long, 120 mm bore Nb$_3$Sn IR quadrupole magnet (HQ). With a short sample gradient of 219 T/m at 1.9 K and a conductor peak field of 15 T, the magnet will operate under higher forces and stored-energy levels than that of any previous LARP magnet models. [...]
2010 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 21 (2010) 5623312
In : Applied Superconductivity Conference 2010, Washington, DC, USA, 1 - 6 Aug 2010, pp.1854-1857

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Alternative Mechanical Structure for LARP Nb$_3$Sn Quadrupoles / Anerella, M (Brookhaven) ; Cozzolino, J (Brookhaven) ; Ambrosio, G (Fermilab) ; Caspi, S (LBL, Berkeley) ; Felice, H (LBL, Berkeley) ; Kovach, P (Brookhaven) ; Lamm, M (Fermilab) ; Sabbi, G (LBL, Berkeley) ; Schmalzle, J (Brookhaven) ; Wanderer, P (Brookhaven)
An alternative structure for the 120 mm Nb$_3$Sn quadrupole magnet presently under development for use in the upgrade for LHC at CERN is presented. The goals of this structure are to build on the existing technology developed in LARP with the LQ and HQ series magnets and to further optimize the features required for operation in the accelerator. [...]
2011 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 21 (2011) 1773-1776
In : Applied Superconductivity Conference 2010, Washington, DC, USA, 1 - 6 Aug 2010, pp.1773-1776

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Design of HQ—A High Field Large Bore Nb$_3$Sn Quadrupole Magnet for LARP / Felice, H (LBNL, Berkeley) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven Natl. Lab.) ; Bossert, R (Fermilab) ; Caspi, S (LBNL, Berkeley) ; Cheng, D W (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Ferracin, P (LBNL, Berkeley) ; Ghosh, A K (Brookhaven Natl. Lab.) ; Hafalia, R (LBNL, Berkeley) et al.
In support of the Large Hadron Collider luminosity upgrade, a large bore (120 mm) Nb$_3$Sn quadrupole with 15 T peak coil field is being developed within the framework of the US LHC Accelerator Research Program (LARP). [...]
2009. - 5 p.
Full text

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