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CERN Document Server 12 record trovati  1 - 10successivo  salta al record: La ricerca ha impiegato 0.76 secondi. 
1.
Machine learning-based extraction of longitudinal beam parameters in the LHC / Iliakis, Konstantinos (CERN) ; Karlsen-Bæck, Birk Emil (CERN) ; Trad, Georges (CERN) ; Timko, Helga (CERN) ; Zampetakis, Michail (CERN) ; Argyropoulos, Theodoros (CERN)
Accurate knowledge of beam parameters is essential for optimizing the performance of particle accelerators like the Large Hadron Collider (LHC). An initial machine-learning (ML) model for the reconstruction of the longitudinal distribution has been extended to extract the main parameters of multiple bunches at LHC injection. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) TUPS56 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPS56
Record dettagliato
2.
Modelling intra-beam scattering in the LHC for longitudinal beam loss studies / Zampetakis, Michail (CERN) ; Karlsen-Bæck, Birk Emil (CERN ; Rome U.) ; Timko, Helga (CERN) ; Iliakis, Konstantinos (CERN)
In the Large Hadron Collider (LHC), intra-beam scattering (IBS) is one of the main drivers of longitudinal emittance growth during the long injection plateau. With the halo of the longitudinal bunch distribution being close to the separatrix, IBS consequently drives beam losses by pushing particles outside the RF bucket at the flat-bottom. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) WEPR55 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR55
Record dettagliato
3.
Advances on LHC RF Power Limitation Studies at Injection / Timko, Helga (CERN) ; Argyropoulos, Theodoros (CERN) ; Calaga, Rama (CERN) ; Catalán Lasheras, Nuria (CERN) ; Iliakis, Konstantinos (CERN) ; Karlsen-Bæck, Birk Emil (CERN ; Rome U.) ; Karpov, Ivan (CERN) ; Zampetakis, Michail (CERN)
The average power consumption of the main RF system during beam injection in the High-Luminosity Large Hadron Collider is expected to be close to the maximum available klystron power. Power transients due to the mismatch of the beam and the action of control loops will exceed the available power. [...]
2024 - 4 p. - Published in : JACoW HB 2023 (2024) 567-570 Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.567-570
Record dettagliato
4.
Enabling Large Scale Simulations for Particle Accelerators / Iliakis, Konstantinos (CERN ; Natl. Tech. U., Athens) ; Timko, Helga (CERN) ; Xydis, Sotirios (Harokopio U., Athens) ; Tsapatsaris, Panagiotis (Natl. Tech. U., Athens) ; Soudris, Dimitrios (Natl. Tech. U., Athens)
International high-energy particle physics research centers, like CERN and Fermilab, require excessive studies and simulations to plan for the upcoming upgrades of the world’s largest particle accelerators, and the design of future machines given the technological challenges and tight budgetary constraints. The Beam Longitudinal Dynamics (BLonD) simulator suite incorporates the most detailed and complex physics phenomena in the field of longitudinal beam dynamics, required for providing extremely accurate predictions. [...]
2022 - 15 p. - Published in : IEEE Trans. Parallel Distrib. Syst. 33 (2022) 4425-4439 Fulltext: PDF;
Record dettagliato
5.
Large-scale software optimization and micro-architectural specialization for accelerated high-performance computing / Iliakis, Konstantinos
For almost half a century the performance of processors has been improving exponentially, closely following the observations made by Gordon Moore and Robert Dennard [...]
CERN-THESIS-2022-223 - 175.

Record dettagliato
6.
End-to-End Longitudinal Simulations in the CERN PS / Lasheen, Alexandre (CERN) ; Damerau, Heiko (CERN) ; Iliakis, Konstantinos (CERN)
In the context of the LHC Injector Upgrade (LIU) project, the main longitudinal limitations in the CERN PS are coupled bunch instabilities and uncontrolled emittance blow-up leading to losses at injection into the downstream accelerator, the SPS. To complement beam measurements, particle tracking simulations are an important tool to study these limitations. [...]
2022 - 6 p. - Published in : JACoW HB 2021 (2022) 106-111 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.106-111
Record dettagliato
7.
Beam Longitudinal Dynamics Simulation Suite BLonD / Timko, Helga (CERN) ; Albright, Simon (CERN) ; Argyropoulos, Theodoros (CERN) ; Damerau, H. (CERN) ; Iliakis, Konstantinos (CERN) ; Intelisano, L. (CERN) ; Karlsen-Bæck, Birk Emil (CERN) ; Karpov, Ivan (CERN) ; Lasheen, Alexandre (CERN) ; Medina, Luis Eduardo (CERN) et al.
The beam longitudinal dynamics code BLonD has been developed at CERN since 2014 and has become a central tool for longitudinal beam dynamics simulations. In this paper, we present this modular simulation suite and the various physics models that can be included and combined by the user. [...]
arXiv:2206.08148.- 2023-11-01 - 15 p. - Published in : 10.1103/PhysRevAccelBeams.26.114602 Fulltext: PDF;
Record dettagliato
8.
BLonD++: Performance Analysis and Optimizations for Enabling Complex, Accurate and Fast Beam Dynamics Studies / Iliakis, Konstantinos (CERN) ; Timko, Helga (CERN) ; Xydis, Sotirios (Athens Natl. Tech. U.) ; Soudris, Dimitrios (Athens Natl. Tech. U.)
This paper focuses on the performance analysis and optimization for enabling e!cient implementations of next generation beam dynamics simulations. Nowadays large worldwide research centers, e.g. [...]
2018 - 8 p. - Published in : 10.1145/3229631.3229640
In : 18th International Conference on Embedded Computer Systems: Architectures, Modeling, and Simulation (SAMOS), Pythagorion, Greece, 15 - 19 Jul 2018, pp.123-130
Record dettagliato
9.
Scale-out beam longitudinal dynamics simulations / Iliakis, Konstantinos (CERN) ; Timko, Helga (CERN) ; Xydis, Sotirios (Natl. Tech. U., Athens) ; Soudris, Dimitrios (Natl. Tech. U., Athens)
Excessive studies and simulations are required to plan for the upcoming upgrades of the world’s largest particle accelerators, and the design of future machines, given the technological challenges and tight budgetary constraints. The Beam Longitudinal Dynamics (BLonD) simulator suite incorporates the most detailed and complex physics phenomena in the field of longitudinal beam dynamics, required for providing extremely accurate predictions. [...]
2020 - 10 p. - Published in : 10.1145/3387902.3392616
In : 17th ACM International Conference on Computing Frontiers (CF'20), Catania, Italy, 1 - 10 Jun 2020, pp.29-38
Record dettagliato
10.
Simulations of longitudinal beam stabilisation in the CERN SPS with BLonD / Repond, Joël (CERN ; Ecole Polytechnique, Lausanne) ; Iliakis, Konstantinos (CERN) ; Schwarz, Markus (CERN) ; Shaposhnikova, Elena (CERN)
The Super Proton Synchrotron (SPS) at CERN, the Large Hadron Collider (LHC) injector, will be pushed to its limits for the production of the High Luminosity LHC proton beam while beam quality and stability in the longitudinal plane are influenced by many effects. Particle simulation codes are an essential tool to study the beam instabilities. [...]
2019 - 7 p. - Published in : 10.18429/JACoW-ICAP2018-TUPAF06 Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.TUPAF06
Record dettagliato

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