Research output: Contribution to journal › Article › peer-review
Response of narrow cylindrical plasmas to dense charged particle beams. / Gorn, A. A.; Tuev, P. V.; Petrenko, A. V. et al.
In: Physics of Plasmas, Vol. 25, No. 6, 063108, 01.06.2018.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Response of narrow cylindrical plasmas to dense charged particle beams
AU - Gorn, A. A.
AU - Tuev, P. V.
AU - Petrenko, A. V.
AU - Sosedkin, A. P.
AU - Lotov, K. V.
N1 - Publisher Copyright: © 2018 Author(s).
PY - 2018/6/1
Y1 - 2018/6/1
N2 - 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 densities. We present analytical expressions for the magnetic field generated in the dense plasma, demonstrate vanishing of the wakefield potential beyond the trajectory of the outermost plasma electron, and follow the wakefield potential change as the plasma density decreases. At high plasma densities, wavefronts of electron density and radial electric field are distorted due to beam charge and current neutralization, while wavefronts of wakefield potential and longitudinal electric field are not. At plasma densities lower than or of the order of the beam density, multiple electron flows develop in and outside the plasma, resulting in a nonzero wakefield potential around the plasma column.
AB - 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 densities. We present analytical expressions for the magnetic field generated in the dense plasma, demonstrate vanishing of the wakefield potential beyond the trajectory of the outermost plasma electron, and follow the wakefield potential change as the plasma density decreases. At high plasma densities, wavefronts of electron density and radial electric field are distorted due to beam charge and current neutralization, while wavefronts of wakefield potential and longitudinal electric field are not. At plasma densities lower than or of the order of the beam density, multiple electron flows develop in and outside the plasma, resulting in a nonzero wakefield potential around the plasma column.
KW - RELATIVISTIC ELECTRON-BEAM
KW - WAKE-FIELD ACCELERATION
KW - WAKEFIELD ACCELERATION
KW - INJECTION
KW - PROPAGATION
KW - AWAKE
UR - http://www.scopus.com/inward/record.url?scp=85048328330&partnerID=8YFLogxK
U2 - 10.1063/1.5039803
DO - 10.1063/1.5039803
M3 - Article
AN - SCOPUS:85048328330
VL - 25
JO - Physics of Plasmas
JF - Physics of Plasmas
SN - 1070-664X
IS - 6
M1 - 063108
ER -
ID: 13924841