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Study of Soft QCD Phenomena and Double Parton Interaction with the ATLAS Detector at LHC
/ Djama, Fares (Centre National de la Recherche Scientifique (FR))
/ATLAS Collaboration
Despite the success of perturbative QCD predictions at the high-energy regime, QCD itself remains mysterious at its nominal scale (QCD scale). The LHC offers rich opportunities to probe the core of QCD related questions, by studying minibias events, double parton interactions, small-x and diffractive processes, as well as correlations in hadronization processes. [...]
ATL-PHYS-SLIDE-2025-463.-
Geneva : CERN, 2025 - 17 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 32nd International Symposium on Lepton Photon Interactions at High Energies (Lepton Photon 2025), Madison, Wisconsin, Us, 25 - 29 Aug 2025
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Damage Limits of - and - Superconductors Due to High-Intensity Beam Impact
/ Gancarcik, David (CERN ; KIT, Karlsruhe) ; Bernhard, Axel (KIT, Karlsruhe) ; Bonura, Marco (U. Geneva (main)) ; Hernalsteens, Cédric (CERN) ; Müller, Anke-Susanne (KIT, Karlsruhe) ; Schubert, Jonathan (CERN) ; Senatore, Carmine (U. Geneva (main)) ; Will, Andreas (CERN ; KIT, Karlsruhe) ; Wollmann, Daniel (CERN)
High-energy hadron colliders with multi-TeV centre-of-mass energies require high-field superconducting magnets. Examples include the large hadron collider (LHC) and its high-luminosity upgrade (HL-LHC), as well as future projects such as the future circular collider (FCC-hh) and super proton–proton collider (SPPC). [...]
2025 - 15 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4004215
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Beam delivery of high-energy ion beams for irradiation experiments at the CERN Proton Synchrotron
/ Johnson, Eliott (CERN) ; Waets, Andreas (CERN) ; Imesch, Gil (CERN) ; Bilko, Kacper (CERN) ; Delrieux, Marc (CERN) ; Fraser, Matthew (CERN) ; Emriskova, Natalia (CERN) ; Arrutia Sota, Pablo Andreas (CERN) ; Garcia Alia, Ruben (CERN) ; Bass, Thomas (CERN)
Heavy-ion single event effect (SEE) test facilities are critical in the development of microelectronic components that will be exposed to the ionizing particles present in the hostile environment of space. CHARM High-energy Ions for Micro Electronics Reliability Assurance (CHIMERA) and HEARTS have developed a high-energy ion beam capable of scanning a wide range of Linear Energy Transfer (LET) at low intensities to study ionization effects on space-bound technology using CERN's Proton Synchrotron (PS). [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPA115
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPA115
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The CERN SPS Low Level RF feedback with amplitude and frequency modulation
/ Hagmann, Gregoire (CERN) ; Spierer, Arthur (CERN) ; Egli, Julien (CERN) ; Baudrenghien, Philippe (CERN)
The CERN SPS Low Level RF (LLRF) has undergone a major upgrade, including the complete redesign of the 200 MHz Cavity-Controllers [1,2] and the Beam-Control [3]during the Long Shutdown two (LS2) in 2018-21. Two major goals motivated the upgrade, first the required doubling of the proton beam intensity injected from the Super Proton Synchrotron (SPS) for the High Luminosity Large HadronCollider (HL-LHC) project, second the implementation of the slip-stacking of two families of ions bunches, 100 ns spacing, to generate a 50 ns spacing after interleaving. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPA092
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPA092
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Overview of the radiation levels in the CERN accelerator complex after LS2
/ Canesse, Auriane (CERN) ; Zimmaro, Alessandro (CERN) ; Prelipcean, Daniel (CERN) ; Ricci, Daniel (CERN) ; Di Francesca, Diego (CERN) ; Lerner, Giuseppe (CERN) ; Garcia Alia, Ruben (CERN) ; Danzeca, Salvatore (CERN)
The PSB, PS, and SPS accelerators at CERN provide high-energy proton and ion beams to a wide range of experiments, from fixed targets to the world’s biggest particle accelerator: the Large Hadron Collider (LHC). In 2021 and 2022, their beams have reached unprecedented intensities thanks to the LHC Injectors Upgrade (LIU) undertaken during the Long Shutdown 2 (LS2) in preparation of the High-Luminosity (HL) LHC era. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPA046
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPA046
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Preparations for beam commissioning of the carbon RFQ at CERN
/ Koopmans, Marten (CERN) ; Gavela, Daniel (Madrid, CIEMAT) ; Di Lorenzo, Francesco (CERN) ; Lombardi, Alessandra (CERN) ; Oliver, Concepcion (Madrid, CIEMAT) ; Pasino, Eleonora (CERN) ; Moreno, Gabriela (Madrid, CIEMAT) ; Giner Navarro, Jorge (Madrid, CIEMAT) ; Perez Morales, Jose (Madrid, CIEMAT) ; Calvo, Pedro (Madrid, CIEMAT) et al.
Linear accelerators for medical applications present the possibility to reduce costs compared to cyclotrons or synchrotrons while offering higher beam stability and flexibility. In the framework of NIMMS, the Next Ion Medical Machine Study, the design of a linear accelerator for carbon ion therapy has been completed at CERN. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPM057
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPM057
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Beam performance and operational efficiency at the CERN Proton Synchrotron
/ Huschauer, Alexander (CERN) ; Coly, Marcel (CERN) ; Cotte, Denis (CERN) ; Damerau, Heiko (CERN) ; Delrieux, Marc (CERN) ; Dumont, Jean-Charles (CERN) ; Dutheil, Yann (CERN) ; Easton, Sandy (CERN) ; Fraser, Matthew (CERN) ; Guerrero, Ana (CERN) et al.
The injectors for the LHC at CERN underwent a major upgrade during a recent two-year long shutdown in the framework of the LHC Injectors Upgrade (LIU) project. Following this upgrade, the Proton Synchrotron (PS) was restarted in 2021, with the same beam quality as before the upgrade quickly achieved or surpassed. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) TUPA158
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA158
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Feasibility study of the Alice fixed-target experiment with HL-LHC lead ion beams based on crystal-assisted beam Halo splitting
/ Patecki, Marcin (Warsaw U. of Tech. (main)) ; Monikowska, Marta (Warsaw U. of Tech. (main))
The Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN) is the world's largest and most powerful particle accelerator, colliding beams of protons and lead ions at energies up to 7 ZTeV. ALICE is one of the detector experiments optimized for heavy-ion collisions.A fixed-target experiment in ALICE is considered to collide a portion of the beam halo, split using a bent crystal, with an internal target placed a few meters upstream of the detector. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) MOPC21
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPC21
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10.
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Energy dependence of PS main unit harmonics
/ Ferrentino, Vittorio (U. Naples (main)) ; Huschauer, Alexander (CERN) ; Gilardi, Antonio (U. Naples (main)) ; Cotte, Denis (CERN) ; Maclean, Ewen (CERN) ; von Freeden, Luke (CERN) ; Karppinen, Mikko (CERN) ; Arpaia, Pasquale (CERN) ; Tomas, Rogelio (CERN) ; Persson, Tobias (CERN)
CERN Proton Synchrotron (PS) is featured with 100 C-shaped combined-function Main Units (MUs) magnets with a complicated pole shape. The operation and the modelling of the PS-MUs has been historically carried out with empirical beam-based studies. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC15
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC15
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