Efficient numerical modelling of the emittance evolution of beams with finite energy spread in plasma wakefield accelerators
Mehrling, T.J., Robson, R.E., Osterhoff, J., and Erbe, J.H. (2016) Efficient numerical modelling of the emittance evolution of beams with finite energy spread in plasma wakefield accelerators. Nuclear Instruments & Methods in Physics Research Section A, 829. pp. 367-371.
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Abstract
This paper introduces a semi-analytic 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 particle-in-cell simulations, establishing the accuracy and efficiency of the procedure. In addition, it is demonstrated that the tapering of vacuum-to-plasma and plasma-to-vacuum transitions is a viable method for the mitigation of emittance growth of beams during their injection and extraction from and into plasma cells.
| Item ID: | 47796 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1872-9576 |
| Keywords: | plasma wakefield acceleration; numerical modeling; emittance; particle-in-cell |
| Funders: | Humboldt Professorship, Helmholtz Virtual Institute (HVI), European Commission (EC) |
| Projects and Grants: | HVI VH-VI-503, EC GA312453 |
| Date Deposited: | 15 Mar 2017 01:22 |
| FoR Codes: | 51 PHYSICAL SCIENCES > 5106 Nuclear and plasma physics > 510602 Plasma physics; fusion plasmas; electrical discharges @ 100% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100% |
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