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| 001 | 429036 | ||
| 005 | 20240227162356.0 | ||
| 024 | 7 | _ | |a arXiv:1911.00135 |2 arXiv |
| 024 | 7 | _ | |a 10.3204/PUBDB-2019-04783 |2 datacite_doi |
| 024 | 7 | _ | |a inspire:1762637 |2 inspire |
| 037 | _ | _ | |a PUBDB-2019-04783 |
| 041 | _ | _ | |a English |
| 088 | 1 | _ | |a arXiv:1911.00135 |
| 088 | _ | _ | |a arXiv:1911.00135 |2 arXiv |
| 100 | 1 | _ | |a Chen, Ye Lining |0 P:(DE-H253)PIP1031145 |b 0 |e Corresponding author |u desy |
| 245 | _ | _ | |a An Improved Electron Beam Dynamics Design for Laboratory Plasma-Astrophysical Studies: a Technical Note |
| 260 | _ | _ | |c 2019 |
| 300 | _ | _ | |a 8 |
| 336 | 7 | _ | |a report |2 DRIVER |
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| 336 | 7 | _ | |a Report |0 10 |2 EndNote |
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| 336 | 7 | _ | |a Report |b report |m report |0 PUB:(DE-HGF)29 |s 1576572628_29636 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a TECHREPORT |2 BibTeX |
| 500 | _ | _ | |a |
| 520 | _ | _ | |a A technical note is given regarding our previous laboratory plasma-astrophysical studies [C.-S. Jao et al., High Energy Density Physics 32, 31-43 (2019) and Y. Chen et al., Nucl. Instrum. Methods Phys. Res., Sect. A 903, 119 (2018)]. In this note, an upgraded accelerator beamline design is proposed based on a feasible experimental setup in a realistic laboratory environment. The improved design aims to provide milliampere (mA) mega-electron-volt (MeV) quasi-continuous (cw) electron beams for plasma-astrophysical applications. Such a design utilizes a so-called mixed-guiding-field magnetic system right after the cut disk structure (CDS) booster cavity to provide a periodic longitudinal focusing field. The transportation of the produced cw beam with large energy spread to the plasma cell location is improved. The magnetic field serves as well as a seeding field in the plasma environment for the growth of electromagnetic instabilities. In conjunction with the appliance of a circular collimator at the exit of the CDS, the new design allows production of quasi-cw beams with a three orders higher number density at the entrance of the plasma cell compared to the previous design for a seeding magnetic field of about 50 mT while the locally enhanced electric field at the cathode is up to 8 GV/m. The associated beam dynamics simulation results are presented. As proof of principle studies, the produced electron beams are applied in nonlinear plasma-astrophysical simulations for exploring the growth of the instabilities. The extracted parameters and/or distributions from the generated electron beams in the laboratory environment are used in these particle-in-cell simulations. The obtained results are presented and discussed. |
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| 700 | 1 | _ | |a Jao, Chun-Sung |0 P:(DE-H253)PIP1029797 |b 1 |
| 856 | 4 | _ | |u https://arxiv.org/abs/1911.00135 |
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| 910 | 1 | _ | |a Deutsches Elektronen-Synchrotron |0 I:(DE-588b)2008985-5 |k DESY |b 0 |6 P:(DE-H253)PIP1031145 |
| 913 | 1 | _ | |a DE-HGF |b Forschungsbereich Materie |l Materie und Technologie |1 G:(DE-HGF)POF3-630 |0 G:(DE-HGF)POF3-631 |2 G:(DE-HGF)POF3-600 |v Accelerator R & D |x 0 |4 G:(DE-HGF)POF |3 G:(DE-HGF)POF3 |
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