CERN Accelerating science

CERN Document Server 找到 44 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 0.59 秒. 
1.
Implementation of Light Diagnostics for Wakefields at AWAKE / Mezger, Jan (Munich, Max Planck Inst. ; Tech. U., Munich (main)) ; Bergamaschi, Michele (Munich, Max Planck Inst. ; CERN) ; Ranc, Lucas (Munich, Max Planck Inst.) ; Sublet, Alban (CERN) ; Pucek, Jan (Munich, Max Planck Inst. ; CERN) ; Turner, Marlene (CERN) ; Clairembaud, Arthur (Munich, Max Planck Inst. ; Tech. U., Munich (main)) ; Muggli, Patric (Munich, Max Planck Inst.)
We describe the implementation of light diagnostics for studying the self-modulation instability of a long relativistic proton bunch in a 10m-long plasma. [...]
arXiv:2412.09255.
- 12.
Fulltext
2.
Measurement of the emittance of accelerated electron bunches at the AWAKE experiment / AWAKE Collaboration
The vertical plane transverse emittance of accelerated electron bunches at the AWAKE experiment at CERN has been determined, using three different methods of data analysis. [...]
arXiv:2411.08681.
- 20.
Fulltext
3.
Experimental Observation of Motion of Ions in a Resonantly Driven Plasma Wakefield Accelerator / AWAKE Collaboration
We show experimentally that an effect of motion of ions, observed in a plasma-based accelerator, depends inversely on the plasma ion mass. [...]
arXiv:2406.16361.
- 9.
Fulltext
4.
Filamentation of a Relativistic Proton Bunch in Plasma / AWAKE Collaboration
We show in experiments that a long, underdense, relativistic proton bunch propagating in plasma undergoes the oblique instability, that we observe as filamentation. We determine a threshold value for the ratio between the bunch transverse size and plasma skin depth for the instability to occur. [...]
arXiv:2312.13883.- 2024-05-07 - 8 p. - Published in : Phys. Rev. E 109 (2024) 055203 Fulltext: Publication - PDF; 2312.13883 - PDF; External link: Physics Synopsis
5.
Generation of 10-m-lengthscale plasma columns by resonant and off-resonant laser pulses / Demeter, G. (Wigner RCP, Budapest) ; Moody, J.T. (Munich, Max Planck Inst.) ; Kedves, M.A. (Wigner RCP, Budapest) ; Batsch, F. (Munich, Max Planck Inst. ; CERN) ; Bergamaschi, M. (Munich, Max Planck Inst.) ; Fedosseev, V. (CERN) ; Granados, E. (CERN) ; Muggli, P. (Munich, Max Planck Inst.) ; Panuganti, H. (CERN) ; Della Porta, G. Zevi (Munich, Max Planck Inst. ; CERN)
Creating extended, highly homogeneous plasma columns like that required by plasma wakefield accelerators can be a challenge. [...]
arXiv:2302.07038.
- 16 p.
Fulltext
6.
Techniques to seed the self-modulation instability of a long proton bunch in plasma / Verra, Livio (CERN) ; Bergamaschi, Michele (Munich, Max Planck Inst.) ; Zevi Della Porta, Giovanni (CERN ; Munich, Max Planck Inst.) ; Gschwendtner, Edda (CERN) ; Muggli, Patric (Munich, Max Planck Inst.)
The Advanced Wakefield Experiment (AWAKE) at CERN relies on the seeded Self-Modulation (SM) of a long relativistic proton bunch in plasma to accelerate an externally injected MeV witness electron bunch to GeV energies. During AWAKE Run 1 (2016-2018) and Run 2a (2021-2022), two seeding methods were investigated experimentally: relativistic ionization front seeding and electron bunch seeding. [...]
arXiv:2305.00431.- 2023-09-26 - 4 p. - Published in : JACoW IPAC 2023 (2023) TUPA095 Fulltext: 2305.00431 - PDF; document - PDF; Publication - PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA095
7.
Development of the Self-Modulation Instability of a Relativistic Proton Bunch in Plasma / AWAKE Collaboration
Self-modulation is a beam-plasma instability that is useful to drive large-amplitude wakefields with bunches much longer than the plasma skin depth. We present experimental results showing that, when increasing the ratio between the initial transverse size of the bunch and the plasma skin depth, the instability occurs later along the bunch, or not at all, over a fixed plasma length, because the amplitude of the initial wakefields decreases. [...]
arXiv:2305.05478.- 2023-08-01 - 10 p. - Published in : Phys. Plasmas 30 (2023) 083104 Fulltext: 2305.05478 - PDF; Publication - PDF;
8.
Fast Spill Monitor Studies for the SPS Fixed Target Beams / Roncarolo, Federico (CERN) ; Arrutia Sota, Pablo Andreas (CERN) ; Belohrad, David (CERN) ; Bergamaschi, Michele (CERN) ; Calvo Giraldo, Eva (CERN) ; Effinger, Ewald (CERN) ; Fraser, Matthew (CERN) ; Kain, Verena (CERN) ; Martin Nieto, Miguel (CERN) ; Mazzoni, Stefano (CERN) et al.
At the CERN Super Proton Synchrotron (SPS) the proton beam is supplied to the fixed target experiments in the North Area facility (NA) via a slow extraction process, taking place at 400 GeV. The monitoring of the spill quality during the extraction, lasting 4.8 seconds with the present SPS setup, is of high interest for minimising beam losses and providing the users with uniform proton-on-target rates. [...]
2022 - 5 p. - Published in : JACoW IBIC 2022 (2022) 522-526 Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.522-526
9.
The AWAKE Run 2 programme and beyond / AWAKE Collaboration
Plasma wakefield acceleration is a promising technology to reduce the size of particle accelerators. Use of high energy protons to drive wakefields in plasma has been demonstrated during Run 1 of the AWAKE programme at CERN. [...]
arXiv:2206.06040.- 2022-08-12 - 21 p. - Published in : Symmetry 14 (2022) 1680 Fulltext: document - PDF; 2206.06040 - PDF;
10.
Feasibility Study of ChDR Diagnostic Device in the LHC / Łasocha, Kacper (Jagiellonian U. ; CERN) ; Bergamaschi, Michele (CERN ; Munich, Max Planck Inst.) ; Harryman, Daniel M (JAI, UK) ; Karataev, Pavel (JAI, UK) ; Krupa, Michal (CERN) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Mounet, Nicolas (CERN) ; Potylitsyn, Alexander (Tomsk Polytechnic U.) ; Schloegelhofer, Andreas (TU Vienna ; CERN) et al.
In recent years Cherenkov Diffraction Radiation (ChDR) has been reported as a phenomenon suitable for various types of particle accelerator diagnostics. As it would typically work best for highly relativistic beam, past studies and experiments have been mostly focusing on the lepton machines. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 2139-2142 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2139-2142

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