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CERN Document Server 68 elementer funnet  1 - 10nesteslutt  gå til element: Søket tok 0.54 sekunder. 
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.
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
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3.
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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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
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5.
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Basics of RF Electronics II / Dexter, Amos (speaker) (Lancaster University)
The focus of this educational text is selected examples of high-frequency electronic circuits and their components employed for the accurate phasing and synchronisation of accelerator cavities. Examples have been chosen to describe the basics of RF electronics. [...]
2023 - 3013. CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany External links: Talk details; Event details In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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6.
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Basics of RF Electronics I / Dexter, Amos (speaker) (Lancaster University)
The focus for this educational text is selected examples of high-frequency electronic circuits and their components employed for the accurate phasing and synchronisation of accelerator cavities. Examples have been chosen to describe the basics of RF electronics. [...]
2023 - 3035. CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany External links: Talk details; Event details In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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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;
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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.
Commissioning of a New X-Band, Low-Noise LLRF System / Edwards, Amelia V (CERN ; Lancaster U.) ; Arévalo, Marçà Boronat (CERN) ; Catalán-Lasheras, Núria (CERN) ; Dexter, Amos (Lancaster U.) ; McMonagle, Gerard (CERN)
To increase beam energy in the CLEAR facility at CERN and study the CLIC accelerating structure prototype in operating conditions, the first X-band test facility at CERN was upgraded in 2020. Both, the acquisition and software systems at X-band test stand 1 (Xbox1) were upgraded to exhibit low phase noise which is relevant to klystron based CLIC and to the use of crab cavities in the beam delivery system. [...]
JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 2683-2686 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2683-2686
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10.
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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CERN Document Server : 68 elementer funnet   1 - 10nesteslutt  gå til element:
Se også: lignende forfatternavn
11 Dexter, A C
5 Dexter, A L
1 Dexter, A et al
1 Dexter, A  C
14 Dexter, A.
10 Dexter, A.C.
1 Dexter, AC
14 Dexter, Amos
1 Dexter, Amos C.
1 Dexter, Amos Christopher
2 Dexter, Arthur L
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