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CERN Document Server 12 εγγραφές βρέθηκαν  1 - 10επόμενο  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.73 δευτερόλεπτα. 
1.
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
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2.
First Thomson scattering results from AWAKE’s helicon plasma source / Stollberg, C (Ecole Polytechnique, Lausanne) ; Guittienne, Ph (Ecole Polytechnique, Lausanne) ; Karimov, R (Ecole Polytechnique, Lausanne) ; Sublet, A (CERN) ; Furno, I (Ecole Polytechnique, Lausanne) ; Vincent, B (Ecole Polytechnique, Lausanne) ; Andrebe, Y (Ecole Polytechnique, Lausanne) ; Buttenschön, B (Greifswald, Max Planck Inst.)
We present the first results of electron density and temperature measurements obtained from Thomson scattering at the helicon plasma source (HPS) for the AWAKE project. These measurements are compared to simulation results from a 1D power and particle balance model (PPM), confirming that the plasma can be fully sustained by collisional power dissipation. [...]
2024 - 15 p. - Published in : Plasma Phys. Control. Fusion 66 (2024) 115011 Fulltext: PDF;
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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.
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4.
Hosing of a long relativistic particle bunch in plasma / AWAKE Collaboration
Experimental results show that hosing of a long particle bunch in plasma can be induced by wakefields driven by a short, misaligned preceding bunch. Hosing develops in the plane of misalignment, self-modulation in the perpendicular plane, at frequencies close to the plasma electron frequency, and are reproducible. [...]
arXiv:2309.03785.- 2024-02-13 - 7 p. - Published in : Phys. Rev. Lett. 132 (2024) 075001 Fulltext: 2309.03785 - PDF; Publication - PDF;
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5.
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
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6.
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;
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7.
First Thomson Scattering Results in the Helicon Plasma Source for Awake / Stollberg, C (Ecole Polytechnique, Lausanne) ; Sublet, A (CERN) ; Buttenschön, B (Greifswald, Max Planck Inst.) ; Furno, I (Ecole Polytechnique, Lausanne) ; Vincent, B (Ecole Polytechnique, Lausanne) ; Guittienne, P (Ecole Polytechnique, Lausanne) ; Andrebe, Y (Ecole Polytechnique, Lausanne) ; Agnello, R (Ecole Polytechnique, Lausanne) ; Grulke, O (Greifswald, Max Planck Inst.)
A critical component of the Advanced Wakefield (AWAKE) experiment [1] for proton-driven plasma wakefield acceleration is the source that provides the suitable plasma environment. The stringent requirements: scalable in length (~100 m in future experiments) [2] , high electron density (n e ) (2 x 10 20 m -3 – 7 x 10 20 m -3 ) with a longitudinal homogeneity at the 0.25% level [3] , and tunnel compatibility, pose a major physical and engineering challenge to the plasma source and the corresponding diagnostics..
2022 - 2 p. - Published in : 10.1109/ICOPS45751.2022.9813173
In : 49th IEEE International Conference on Plasma Science, Seattle, United States, 22 - 26 May 2022
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8.
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;
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9.
Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma / AWAKE Collaboration
A long, narrow, relativistic charged particle bunch propagating in plasma is subject to the self-modulation (SM) instability. We show that SM of a proton bunch can be seeded by the wakefields driven by a preceding electron bunch. [...]
arXiv:2203.13752.- 2022-07-06 - 7 p. - Published in : Phys. Rev. Lett. 129 (2022) 024802 Fulltext: 2203.13752 - PDF; PhysRevLett.129.024802 - PDF;
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10.
Analysis of Proton Bunch Parameters in the AWAKE Experiment / AWAKE Collaboration
A precise characterization of the incoming proton bunch parameters is required to accurately simulate the self-modulation process in the Advanced Wakefield Experiment (AWAKE). This paper presents an analysis of the parameters of the incoming proton bunches used in the later stages of the AWAKE Run 1 data-taking period. [...]
arXiv:2109.12893.- 2021-11-24 - 14 p. - Published in : JINST 16 (2021) P11031 Fulltext: document - PDF; 2109.12893 - PDF;
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CERN Document Server : 12 εγγραφές βρέθηκαν   1 - 10επόμενο  μετάβαση στην εγγραφή:
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9 Stollberg, C.
1 Stollberg, Christine
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