首页|Multi-layer phenomena in petawatt laser-driven acceleration of heavy ions

Multi-layer phenomena in petawatt laser-driven acceleration of heavy ions

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Laser-accelerated high-flux-intensity heavy-ion beams are important for new types of accelerators.A particle-in-cell program(Smilei)is employed to simulate the entire process of Station of Extreme Light(SEL)100 PW laser-accelerated heavy particles using different nanoscale short targets with a thickness of 100 nm Cr,Fe,Ag,Ta,Au,Pb,Th and U,as well as 200 nm thick Al and Ca.An obvious stratification is observed in the simulation.The layering phenomenon is a hybrid acceleration mechanism reflecting target normal sheath acceleration and radiation pressure acceleration,and this phenomenon is understood from the simulated energy spectrum,ionization and spatial electric field distribution.According to the stratification,it is suggested that high-quality heavy-ion beams could be expected for fusion reactions to synthesize superheavy nuclei.Two plasma clusters in the stratification are observed simultaneously,which suggest new techniques for plasma experiments as well as thinner metal targets in the precision machining process.

petawatt laser-plasma interactionlaser-driven heavy-ion accelerator for synthesizing superheavy nucleiparticle-in-cellmulti-layer phenomenatarget fabrication

苏琬晴、曹喜光、马春旺、王玉廷、张国强

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College of Physics,Henan Normal University,Xinxiang 453007,People's Republic of China

Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai 201210,People's Republic of China

Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,People's Republic of China

University of Chinese Academy of Sciences,Beijing 100049,People's Republic of China

Institute of Nuclear Science and Technology,Henan Academy of Science,Zhengzhou 450046,People's Republic of China

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Shanghai Advanced Research Institute,Chinese Academy of Sciences中国科学院战略规划重点项目国家重点研发计划国家自然科学基金中国科学院青年创新促进会项目

XDB340300002022YFA1602404U183212921IRTSTHN011

2024

10.1088/2058-6272/ad0c97

等离子体科学和技术(英文版)
中国科学院合肥物质科学研究所 中国力学学会

等离子体科学和技术(英文版)

EI
影响因子：0.297
ISSN：1009-0630
年,卷(期)：2024.26(2)
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