arXiv Open Access 2020

Simultaneous measurements on the electron and X-ray spectra from laser-irradiated near-critical-density double-layer targets at relativistic intensity

Jianbo Liu Pengjie Wang Yinren Shou Zhusong Mei Zhengxuan Cao +10 lainnya

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Abstrak

We report the experimental results of simultaneous measurements on the electron and X-ray spectra from near-critical-density (NCD) double-layer targets irradiated by relativistic femtosecond pulses at the intensity of 5E19 W/cm^2. The dependence of the electron and X-ray spectra on the density and thickness of the NCD layer was studied. For the optimal targets, electrons with temperature of 5.5 MeV and X-rays with critical energy of 5 keV were obtained. 2D particle-in-cell simulations based on the experimental parameters confirm the electrons are accelerated in the plasma channel through direct laser acceleration, resulting in temperature significantly higher than the pondermotive temperature. Bright X-rays are generated from betatron emission and Thomson backscattering before the electrons leave the double-layer targets.

Topik & Kata Kunci

physics.plasm-ph physics.acc-ph

Penulis (15)

Jianbo Liu

Pengjie Wang

Yinren Shou

Zhusong Mei

Zhengxuan Cao

Zhuo Pan

Defeng

Kong

Shirui Xu

Guijun Qi

Zhipeng Liu

Shiyou Chen

Jiarui Zhao

Yanying Zhao

Wenjun Ma

Format Sitasi

APA MLA BibTeX

Liu, J., Wang, P., Shou, Y., Mei, Z., Cao, Z., Pan, Z. et al. (2020). Simultaneous measurements on the electron and X-ray spectra from laser-irradiated near-critical-density double-layer targets at relativistic intensity. https://arxiv.org/abs/2010.05702

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Informasi Jurnal

Tahun Terbit: 2020
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓