CERN Accelerating science

CERN Document Server 355 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.76 secondi. 
1.
Searching non-standard interactions with atmospheric neutrinos at ESSnuSB / ESSnuSB Collaboration
Atmospheric neutrinos provide a unique avenue to study neutrino interactions in matter. [...]
arXiv:2508.18103.
- 14.
Fulltext
2.
Probing Long-Range Forces in Neutrino Oscillations at the ESSnuSB Experiment / ESSnuSB Collaboration
Neutrino oscillations constitute an excellent tool to probe physics beyond the Standard Model. In this paper, we investigate the potential of the ESSnuSB experiment to constrain the effects of flavour-dependent long-range forces (LRFs) in neutrino oscillations, which may arise due to the extension of the Standard Model gauge group by introducing new $U(1)$ symmetries. [...]
arXiv:2504.10480.- 2025-07-16 - 31 p. - Published in : JHEP 2507 (2025) 186 Fulltext: 2504.10480 - PDF; document - PDF;
3.
Classification of Electron and Muon Neutrino Events for the ESS$\nu$SB Near Water Cherenkov Detector using Graph Neural Networks / Aguilar, J. (ESS, Bilbao) ; Anastasopoulos, M. (ESS, Lund) ; Barčot, D. (Boskovic Inst., Zagreb) ; Baussan, E. (Strasbourg, IPHC) ; Bhattacharyya, A.K. (ESS, Lund) ; Bignami, A. (ESS, Lund) ; Blennow, M. (Royal Inst. Tech., Stockholm ; Stockholm Observ.) ; Bogomilov, M. (Sofiya U.) ; Bolling, B. (ESS, Lund) ; Bouquerel, E. (Strasbourg, IPHC) et al.
In the effort to obtain a precise measurement of leptonic CP-violation with the ESS$\nu$SB experiment, accurate and fast reconstruction of detector events plays a pivotal role. In this work, we examine the possibility of replacing the currently proposed likelihood-based reconstruction method with an approach based on Graph Neural Networks (GNNs). [...]
arXiv:2503.15247.- 2025-08-26 - 24 p. - Published in : JINST 20 (2025) P08030 Fulltext: 2503.15247 - PDF; document - PDF;
4.
Emittance and luminosity monitoring and modelling for LHC Run 3 / Efthymiopoulos, Ilias (CERN) ; Sterbini, Guido (CERN) ; Bartosik, Hannes (CERN) ; Kostoglou, Sofia (CERN)
A comprehensive model accurately depicts and tracks emittance and luminosity evolution in the Large Hadron Collider (LHC), considering known effects like IBS, synchrotron radiation damping, coupling and incorporating data-driven factors on emittance growth and intensity losses. Used extensively in LHC Run 2, the model is updated for compatibility with new optics and operational schemes in Run 3, featuring luminosity leveling. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) WEPG28 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPG28
5.
Status of beam-beam studies for the high-luminosity LHC / Droin, Colas (CERN) ; Sterbini, Guido (CERN) ; Efthymiopoulos, Ilias (CERN) ; Mounet, Nicolas (CERN) ; De Maria, Riccardo (CERN) ; Tomas, Rogelio (CERN) ; Kostoglou, Sofia (CERN)
Optimizing the configuration of an operational cycle of a collider such as the LHC is a complex process, requiring various simulation studies. In particular, Dynamic Aperture (DA) simulations, based on particle tracking, serve as indispensable tools for achieving this goal. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) THPC77 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPC77
6.
The European Spallation Source neutrino super beam / Dracos, Marcos (Strasbourg, IPHC) ; Efthymiopoulos, Ilias (CERN) /ESS𝜈SB+ project Collaboration
The discovery of neutrino Charge-Parity Violation (CPV) became an important candidate to explain the matter dominance in the Universe. The goal of the ESSnuSB project is to discover and measure neutrino CPV with unprecedented sensitivity*. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) WEPR37 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR37
7.
Evolution of special LHC optics configurations Run 3 update / Efthymiopoulos, Ilias (CERN) ; Wegscheider, Andreas (CERN) ; Mirarchi, Daniele (CERN) ; Maclean, Ewen (CERN) ; Carlier, Felix (CERN) ; Van der Veken, Frederik (CERN) ; Dilly, Joschua (CERN) ; Le Garrec, Mael (CERN) ; D'Andrea, Marco (CERN ; INFN, Legnaro) ; Solfaroli, Matteo (CERN) et al.
The Large Hadron Collider (LHC) employs special optics and configurations, alongside low-beta* collision optics, to address specific experimental requirements. These include calibrating luminosity monitors (vdM) and facilitating forward physics measurements in TOTEM and ALFA experiments (high-beta). [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) MOPC16 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPC16
8.
Simulations and experiments for dynamic aperture studies in the LHC ion operation / Kostoglou, Sofia (CERN) ; Sterbini, Guido (CERN) ; Bartosik, Hannes (CERN) ; Efthymiopoulos, Ilias (CERN) ; Hostettler, Michi (CERN) ; Bruce, Roderik (CERN)
Dynamic Aperture (DA) studies, based on single-particle tracking simulations including important non-linear fields such as beam-beam effects, have played a crucial role in guiding the operation of the Large Hadron Collider (LHC) in proton-proton collisions. The correspondence between DA computed through simulations and the actual beam lifetime during operation has been established for proton beams through dedicated experiments at the LHC. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) MOPS06 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPS06
9.
Exploring atmospheric neutrino oscillations at ESSnuSB / ESSnuSB Collaboration
This study provides an analysis of atmospheric neutrino oscillations at the ESSnuSB far detector facility. The prospects of the two cylindrical Water Cherenkov detectors with a total fiducial mass of 540 kt are investigated over 10 years of data taking in the standard three-flavor oscillation scenario. [...]
arXiv:2407.21663.- 2024-10-25 - 14 p. - Published in : JHEP 2410 (2024) 187 Fulltext: 2407.21663 - PDF; document - PDF;
10.
Search for Leptonic CP Violation with the ESSnuSBplus Project / ESSnuSB Collaboration
ESSνSB is a design study for a next-generation long-baseline neutrino experiment that aims at the precise measurement of the CP-violating phase, δCP, in the leptonic sector at the second oscillation maximum. The conceptual design report published from the first phase of the project showed that after 10 years of data taking, more than 70% of the possible δCP range will be covered with 5σ C.L. [...]
2024 - 5 p. - Published in : LHEP 2024 (2024) 517 Fulltext: PDF;

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53 Efthymiopoulos, I.
63 Efthymiopoulos, Ilias
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