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CERN Document Server 171 records found  1 - 10nextend  jump to record: Search took 1.79 seconds. 
1.
A first taste of Non- Linear Beam Dynamics II / Bartosik, Hannes (speaker) (CERN)
2023 - 3502. CAS - CERN Accelerator School; CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain External links: Talk details; Event details In : CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
2.
A first taste of Non- Linear Beam Dynamics I / Bartosik, Hannes (speaker) (CERN)
2023 - 3169. CAS - CERN Accelerator School; CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain External links: Talk details; Event details In : CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
3.
Measurements of beam correlations induced via coupled resonance crossing in the CERN PSB / Lamb, Elleanor (CERN ; Ecole Polytechnique, Lausanne) ; Asvesta, Foteini (CERN) ; Franchetti, Giuliano (Darmstadt, GSI) ; Sterbini, Guido (CERN) ; Bartosik, Hannes (CERN) ; Seidel, Mike (PSI, Villigen ; Ecole Polytechnique, Lausanne) ; Albright, Simon (CERN) ; Prebibaj, Tirsi (CERN)
Beam profile measurements in the LHC and its injector complex show heavy tails in both transverse planes. From standard profile measurements, it is not possible to determineif the underlying phase space distribution is statistically independent. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) TUPC07 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC07
4.
Tail population studies in the CERN Proton Synchrotron / Bozatzis, Miltiadis (Aristotle U., Thessaloniki ; CERN) ; Asvesta, Foteini (CERN) ; Bartosik, Hannes (CERN) ; Huschauer, Alexander (CERN) ; Lasheen, Alexandre (CERN) ; Maclean, Ewen (CERN) ; Prebibaj, Tirsi (CERN) ; Van Goethem, Wietse (CERN)
The beam quality in terms of the transverse beam profiles from the CERN injectors plays a crucial role for the luminosity production at the LHC. Transverse tails beyond a Gaussian distribution have been observed in all the LHC injectors and efforts to optimize them are ongoing, as they can perturb operations due to large losses at LHC injection. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) THPC15 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPC15
5.
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
6.
Emittance growth studies due to Crab Cavity induced amplitude noise in the SPS / Fornara, Andrea (Manchester U. ; CERN) ; Trad, Georges (CERN) ; Sterbini, Guido (CERN) ; Bartosik, Hannes (CERN) ; Triantafyllou, Natalia (CERN) ; Baudrenghien, Philippe (CERN) ; Calaga, Rama (CERN) ; Appleby, Robert (Manchester U.) ; Kostoglou, Sofia (CERN) ; Levens, Thomas (CERN) et al.
In the context of the HL-LHC upgrade, RF Crab Cavities (CCs) are one of the key components to achieve the target integrated luminosity. Due to the increased bunch intensity, the collider will operate with a large crossing angle scheme to alleviate the long-range beam-beam effect. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) THPC63 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPC63
7.
Selected advances in the accelerator design of the Future Circular Electron-Positron Collider (FCC-ee) / FCC Collaboration
In autumn 2023, the FCC Feasibility Study underwent a crucial “mid-term review”. We describe some accelerator performance risks for the proposed future circular electron-positron collider, FCC-ee, identified for, and during, the mid-term review. [...]
FERMILAB-CONF-24-0659-AD-PIP2.- 2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) WEPR14 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR14
8.
Development of numerical tools for intra-beam scattering modelling / Soubelet, Felix (CERN) ; Bartosik, Hannes (CERN) ; Kostoglou, Sofia (CERN) ; Paraschou, Konstantinos (CERN) ; Zampetakis, Michail (CERN) ; Iadarola, Giovanni (CERN)
Intra-beam Scattering (IBS) is one of the main mechanisms of emittance blowup and performance deterioration in the Large Hadron Collider (LHC) accelerator complex. It is particularly relevant since the recent upgrades across the injector complex to reach the high brightness beams of the High Luminosity LHC (HL-LHC) era have been implemented. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) MOPS37 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPS37
9.
Luminosity effects due to dependent heavy-tailed beams / Lamb, Elleanor (Ecole Polytechnique, Lausanne ; CERN) ; Sterbini, Guido (CERN) ; Bartosik, Hannes (CERN)
The luminosity of particle colliders depends, among other parameters, on the transverse profiles of the colliding beams. At the LHC at CERN, heavy-tailed transverse beam distributions are typically observed in routine operation. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) MOPC09 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPC09
10.
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

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172 BARTOSIK, Hannes
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