Efficient numerical modelling of the emittance evolution of beams with finite energy spread in plasma wakefield accelerators

被引：5

作者：

Mehrling, T. J. ^{[1
]}

Robson, R. E. ^{[2
]}

Erbe, J-H. ^{[1
]}

Osterhoff, J. ^{[1
]}

机构：

[1] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany

[2] Griffith Univ, Sch Nat Sci, Ctr Quantum Dynam, Brisbane, Qld, Australia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2016年 / 829卷

关键词：

Plasma wakefield acceleration; Numerical modeling; Emittance; Particle-in-cell; ELECTRON-BEAM; VLASOV CODE; SIMULATION;

D O I：

10.1016/j.nima.2016.01.091

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This paper introduces a semianalytic numerical approach (SANA) for the rapid computation of the transverse emittance of beams with finite energy spread in plasma wakefield accelerators in the blowout regime. The SANA method is used to model the beam emittance evolution when injected into and extracted from realistic plasma profiles. Results are compared to particleincell simulations, establishing the accuracy and efficiency of the procedure. In addition, it is demonstrated that the tapering of vacuum to -plasma and plasmatovacuum transitions is a viable method for the mitigation of emittance growth of beams during their injection and extraction from and into plasma cells. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：367 / 371

页数：5

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