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Articles by Kyrre Ness
Simulation scripts for "Achromatic optics using nonlinear plasma lenses for beam-quality preservation between plasma-accelerator stages"
This entry contains the ABEL simulation and plotting scripts for the article "Achromatic optics using nonlinear plasma lenses for beam-quality preservation between plasma-accelerator stages". These scripts calculate the required beamline and particle beam parameters, set up the lattices and simulations, and run them using ImpactX.
CERN Document Server
Home > CLIC Wake Field Monitor as a detuned Cavity Beam Position Monitor: Explanation of center offset between TE and TM channels in the TD26 structure Report number arXiv:2307.06681 Title CLIC Wake Field Monitor as a detuned Cavity Beam Position Monitor: Explanation of center offset between TE and TM channels in the TD26 structure If you experience any problem watching the video, click the download button below Download Embed Author(s) Sjobak, Kyrre Ness (Oslo U.
CERN Document Server
Home > An experimental study of focused very high energy electron beams for radiotherapy Title An experimental study of focused very high energy electron beams for radiotherapy Author(s) Kokurewicz, Karolina (Glasgow U.) ; Brunetti, Enrico (Glasgow U.) ; Curcio, Alessandro (CERN) ; Gamba, Davide (CERN) ; Garolfi, Luca (CERN) ; Gilardi, Antonio (CERN ; U. Naples (main) ; INFN, Naples) ; Senes, Eugenio (CERN ; JAI, UK) ; Sjobak, Kyrre Ness (CERN ; U. Oslo (main)) ; Farabolini, Wilfrid (CERN ; U.
CERN Document Server
Title Off-momentum cleaning simulations and measurements at the Large Hadron Collider Author(s) Garcia Morales, Hector (Royal Holloway, U. of London ; CERN) ; Bruce, Roderik (CERN) ; Redaelli, Stefano (CERN) ; Salvachua, Belen (CERN) ; Wretborn, Joel (CERN) ; Sjobak, Kyrre Ness (CERN ; Oslo U.) Imprint 14 p. In: Nucl. Instrum. Methods Phys.
Beam–based alignment of the CLIC high-gradient X-Band accelerating structure using beam-screen
Title Beam–based alignment of the CLIC high-gradient X-Band accelerating structure using beam-screen Author(s) Arpaia, Pasquale (Naples U.) ; Corsini, Roberto (CERN) ; Gilardi, Antonio (Naples U.) ; Sjobak, Kyrre Ness (CERN) Imprint 6 p.
CERN Document Server
Report number arXiv:1906.08125 Title Dynamic coupling between particle-in-cell and atomistic simulations Author(s) Veske, Mihkel (Helsinki U.) ; Kyritsakis, Andreas (Helsinki U.) ; Sjobak, Kyrre Ness (CERN ; Oslo U.) ; Zadin, Vahur (Tartu U.) ; Aabloo, Alvo (Tartu U.) ; Djurabekova, Flyura (Helsinki U.) Imprint 2019-05-24. - 16 p. Note 16 pages, 12 figures In: Phys. Rev.
Prediction of Beam Losses during Crab Cavity Quenches at the HL-LHC
Report number arXiv:1812.01308 Title Prediction of Beam Losses during Crab Cavity Quenches at the HL-LHC Download Embed Viewed by 21 users Author(s) Apsimon, Robert (Lancaster U.) ; Burt, Graeme (Cockcroft Inst. Accel. Sci. Tech.) ; Dexter, Amos (Cockcroft Inst. Accel. Sci. Tech.) ; Shipman, Nick (Cockcroft Inst. Accel. Sci.
Study of off-momentum losses at the start of the ramp in the Large Hadron Collider
At the start of the energy ramp at the LHC, any uncaptured beam is quickly lost on the momentum collimators. This causes significant instantaneous losses, and it is therefore important to understand these losses in detail in case they would become critical at the LHC itself or in future machines. This note aims at first analyzing data of these losses from the 2016 LHC run to quantify their features. Then, simulation methods are developed.
CERN Document Server
When optimizing the shape of high-gradient accelerating cells, the goal has traditionally been to minimize the peak surface electric field / gradient, or more recently minimizing the peak modified Poynting vector / gradient squared. This paper presents a method for directly comparing these quan- tities, as well as the power flow per circumference / gradient squared.
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