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Dominance of hole-boring radiation pressure acceleration regime with thin ribbon of ionized solid hydrogen
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SYSNO ASEP 0521652 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Dominance of hole-boring radiation pressure acceleration regime with thin ribbon of ionized solid hydrogen Author(s) Pšikal, Jan (FZU-D) RID, ORCID
Matys, M. (CZ)Number of authors 2 Article number 044003 Source Title Plasma Physics and Controlled Fusion. - : Institute of Physics Publishing - ISSN 0741-3335
Roč. 60, č. 4 (2018), s. 1-11Number of pages 11 s. Language eng - English Country GB - United Kingdom Keywords ion-acceleration ; laser-driven proton acceleration ; hydrogen ribbon ; hole boring ; radiation pressure acceleration ; particle-in-cell simulation Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects LQ1606 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support FZU-D - RVO:68378271 UT WOS 000424775600002 EID SCOPUS 85044179271 DOI 10.1088/1361-6587/aaa7fa Annotation Laser-driven proton acceleration from novel cryogenic hydrogen target of the thickness of tens of microns irradiated by multiPW laser pulse is investigated here for relevant laser parameters accessible in near future. It is demonstrated that the efficiency of proton acceleration from relatively thick hydrogen solid ribbon largely exceeds the acceleration efficiency for a thinner ionized plastic foil, which can be explained by enhanced hole boring (HB) driven by laser ponderomotive force in the case of light ions and lower target density. Three-dimensional particle-in-cell (PIC) simulations of laser pulse interaction with relatively thick hydrogen target show larger energies of protons accelerated in the target interior during the HB phase and reduced energies of protons accelerated from the rear side of the target by quasistatic electric field compared with the results obtained from two-dimensional PIC calculations. Linearly and circularly polarized multiPW laser pulses of duration exceeding 100fs show similar performance in terms of proton acceleration from both the target interior as well as from the rear side of the target. When ultrashort pulse (∼30 fs) is assumed, the number of accelerated protons from the target interior is substantially reduced. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2020 Electronic address https://doi.org/10.1088/1361-6587/aaa7fa
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