A proposed demonstration of an experiment of proton-driven plasma wakefield acceleration based on CERN SPS

Xia, Guoxing; Assmann, R.; Fonseca, Ricardo; Huang, Chengkun; Mori, W. B.; Silva, L. O.; Vieira, Jorge; Zimmermann, F.; Muggli, P.

doi:10.1017/s0022377812000086

Cited by 24 publications

(23 citation statements)

References 27 publications

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“…The proposed location for the experiment was the TT4/TT5 hall (in the so called West Area) into which the 450 GeV beam is transported through the TT61 tunnel. Studies underlying this early stage of the project are documented in papers [47,54] and conference proceedings [51,52,[55][56][57][58]. The main beam and plasma parameters for the earliest vision of the experiment are given in the first data column of Table 1.…”

Section: Early Outline Of the Experimentsmentioning

confidence: 99%

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Path to AWAKE: Evolution of the concept

Caldwell

Adli

Amorim

et al. 2016

Nuclear Instruments and Methods in Physics Research Section A:

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This report describes the conceptual steps in reaching the design of the AWAKE experiment currently under construction at CERN. We start with an introduction to plasma wakefield acceleration and the motivation for using proton drivers. We then describe the self-modulation instability -a key to an early realization of the concept. This is then followed by the historical development of the experimental design, where the critical issues that arose and their solutions are described. We conclude with the design of the experiment as it is being realized at CERN and some words on the future outlook. A summary of the AWAKE design and construction status as presented in this conference is given in [1].

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Section: Early Outline Of the Experimentsmentioning

confidence: 99%

“…This injection method was initially considered ineffective because of wakefield phase velocity issues, and early computer simulations confirmed this assessment [54,65,67,81]. However, a parameter window for high trapping rate and efficient acceleration was found [91,92].…”

Section: On-axis Injection Of Electronsmentioning

confidence: 99%

Path to AWAKE: Evolution of the concept

Caldwell

Adli

Amorim

et al. 2016

Nuclear Instruments and Methods in Physics Research Section A:

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“…We and wake-fields in an underdense plasma [19]. The fundamental parameter a which determines the strength of the interaction is the work done on the charged particle by the electric force of the laser field along the plasma wavelength divided by the photon energy.…”

Section: Discussionmentioning

confidence: 99%

New exact solutions of the Dirac and Klein–Gordon equations of a charged particle propagating in a strong laser field in an underdense plasma

Varró

2014

Nuclear Instruments and Methods in Physics Research Section A:

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Abstract.The relativistic wave equations of a charged particle propagating in a classical monochromatic electromagnetic plane wave, in a medium of index of refraction n m < 1, have been studied. In the Dirac case the found exact solutions [21] are expressed in terms of new complex polynomials, and in the Klein-Gordon case they are expressed in terms of Ince polynomials [22]. In each case these solutions form a doubly infinite discrete set, parametrized by quantized momentum components of the charged particle along the polarization vector and along the propagation direction of the electromagnetic radiation (which may be considered as a plasmon wave of arbitrary high amplitude, propagating in an underdense plasma). This solutions describe a high-contrast periodic structure of the particle density on the plasma length scale, and they may have relevance in the study of novel acceleration mechanisms.

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“…These values are motivated by those of the planned PDPWA experiments at the SPS. 28 The linear approximation of the plasma wave enables the analytic calculation presented in the Sec. III and greatly simplifies the numerical modeling of the MI described in the Sec.…”

Section: Theoretical Formalism and Simplifying Assumptionsmentioning

confidence: 99%

Laser-seeded modulation instability in a proton driver plasma wakefield accelerator

Siemon

Khudik

et al. 2013

Physics of Plasmas

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A new method for initiating the modulation instability (MI) of a proton beam in a proton driver plasma wakefield accelerator using a short laser pulse preceding the beam is presented. A diffracting laser pulse is used to produce a plasma wave that provides a seeding modulation of the proton bunch with the period equal to that of the plasma wave. Using the envelope description of the proton beam, this method of seeding the MI is analytically compared with the earlier suggested seeding technique that involves an abrupt truncation of the proton bunch. The full kinetic simulation of a realistic proton bunch is used to validate the analytic results. It is further used to demonstrate that a plasma density ramp placed in the early stages of the laser-seeded MI leads to its stabilization, resulting in sustained accelerating electric fields (of order several hundred MV/m) over long propagation distances ($100-1000 m). V C 2013 AIP Publishing LLC.

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A proposed demonstration of an experiment of proton-driven plasma wakefield acceleration based on CERN SPS

Cited by 24 publications

References 27 publications

Path to AWAKE: Evolution of the concept

Path to AWAKE: Evolution of the concept

New exact solutions of the Dirac and Klein–Gordon equations of a charged particle propagating in a strong laser field in an underdense plasma

Laser-seeded modulation instability in a proton driver plasma wakefield accelerator

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