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  1. We use particle-in-cell (PIC) simulations to study the effects of variations of the incoming 400 GeV proton bunch parameters on the amplitude and phase of the wakefields resulting from a seeded self-modulation (SSM) process. We find that these effects are largest during the growth of the SSM, i.e. over the first five to six meters of plasma with an electron density of $7 \\times 10^{14}$ cm ...
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  3. researchgate.net

    We find that the optimum position along the proton bunch is at $\xi \approx -1.5 \; \sigma_{zb}$, and that the optimal range for injection along the plasma (for a highest final energy of $\sim$1.6 ...
  4. fenix.tecnico.ulisboa.pt

    A proton-driven plasma wakefield experiment (the AWAKE experiment) at CERN will test the underlying concept using long proton bunches that undergo the self-modulation instability (SMI). The e•ectiveness of the experiment hinges on the successful and predictable development of this instability, which fragments the initial proton bunch into ...
  5. indico.cern.ch

    Axial electric field excited in plasma by an axisymmetric particle beam in cylindrical coordinates: Single beamlet linear wakefield solver A tool to test hypotheses Using linear theory and separating the contributions from each beamlet partially parallel parallel 19
  6. ui.adsabs.harvard.edu

    The Proton Driven Plasma Wakefield Acceleration Experiment (AWAKE) at CERN will test the concept underlying plasma wakefield acceleration using long proton beams that undergo the self-modulation instability. The effectiveness of the experiment hinges on the successful and predictable development of this instability, which fragments the initial proton bunch into smaller beamlets with lengths of ...
    Author:Mariana Moreira, Jorge Vieira, Patric MuggliPublished:2017
  7. researchgate.net

    An experimental program at CERN -- the AWAKE experiment -- has been launched to study in detail the important physical processes and to demonstrate the power of proton-driven plasma wakefield ...
  8. indico.cern.ch

    How would the hypothetical substitution of the driver protons by antiprotons change the AWAKE experiment? Asymmetry between opposite charges • most PWFA experiments have used electrons as drivers • positrons seem to be less efficient as drivers • linear wakefield theory is perfectly symmetrical for opposite charges
  9. pdfs.semanticscholar.org

    plasma [1]. A proton-driven plasma wakeeld experiment (the AWAKE experiment [2]) at CERN will test the underlying concept using long proton beams that undergo the self-modulation insta-bility [3]. The effectiveness of the experiment hinges on the successful and predictable devel-opment of this instability, which fragments the initial proton ...
  10. ebusca.uv.mx

    For the parameters taken here (ratio of peak beam density to plasma density nb0/n0≈0.003), we find that the optimum position along the proton bunch is at ξ≈-1.5σzb, and that the optimal range for injection along the plasma (for a highest final energy of ∼1.6 GeV after 10 m) is 5-6 m.

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