6 papers · 1 filter
Dissipation of electron-beam-driven plasma wakes
Rafal Zgadzaj, Zhengyan Li, M. C. Downer +10
Metre-scale plasma wakefield accelerators have imparted energy gain approaching 10 gigaelectronvolts to single nano-Coulomb electron bunches. To reach useful average currents, howe…
Accelerating field enhancement due to ion motion in plasma wakefield accelerators
V. A. Minakov, A. P. Sosedkin, K. V. Lotov
Ion motion in plasma wakefield accelerators can cause temporal increase of the longitudinal electric field shortly before the wave breaks. The increase is caused by re-distribution…
Dissipation of weakly nonlinear wakefields due to ion motion
R. I. Spitsyn, I. V. Timofeev, A. P. Sosedkin +1
In an initially uniform plasma, the lifetime of a weakly nonlinear plasma wave excited by a short driver is limited by the ion dynamics. The wakefield contains a slowly varying rad…
Witness emittance growth caused by driver density fluctuations in plasma wakefield accelerators
V. A. Minakov, M. Tacu, A. P. Sosedkin +1
We discovered a novel effect that can cause witness emittance growth in plasma wakefield accelerators. The effect appears in linear or moderately nonlinear plasma waves. The witnes…
Response of narrow cylindrical plasmas to dense charged particle beams
A. A. Gorn, P. V. Tuev, A. V. Petrenko +2
By combining the linear theory and numerical simulations, we study the response of a radially bounded axisymmetric plasma to relativistic charged particle beams in a wide range of…
Plasma electron trapping in quasistatic simulations of plasma wakefield acceleration
P. V. Tuev, A. P. Sosedkin, K. V. Lotov
Plasma wakefield acceleration studies currently rely considerably on simulating this effect numerically using highly specialized software. Exorbitant computational difficulty of th…