Generation of highly-polarized high-energy brilliant <i>γ</i>-rays via laser-plasma interaction

Xue Kun; Dou Zhen-Ke; Wan Feng; Yu Tong-Pu; Wang Wei-Min; Ren Jie-Ru; Zhao Qian; Zhao Yong-Tao; Xu Zhong-Feng; Li Jian-Xing

doi:10.1063/5.0007734

Volume 5 Issue 5

Sep. 2020

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Xue Kun, Dou Zhen-Ke, Wan Feng, Yu Tong-Pu, Wang Wei-Min, Ren Jie-Ru, Zhao Qian, Zhao Yong-Tao, Xu Zhong-Feng, Li Jian-Xing. Generation of highly-polarized high-energy brilliant γ-rays via laser-plasma interaction[J]. Matter and Radiation at Extremes, 2020, 5(5): 054402. doi: 10.1063/5.0007734

Citation:

Xue Kun, Dou Zhen-Ke, Wan Feng, Yu Tong-Pu, Wang Wei-Min, Ren Jie-Ru, Zhao Qian, Zhao Yong-Tao, Xu Zhong-Feng, Li Jian-Xing. Generation of highly-polarized high-energy brilliant γ-rays via laser-plasma interaction[J]. Matter and Radiation at Extremes, 2020, 5(5): 054402. doi: 10.1063/5.0007734

Citation:

Xue Kun, Dou Zhen-Ke, Wan Feng, Yu Tong-Pu, Wang Wei-Min, Ren Jie-Ru, Zhao Qian, Zhao Yong-Tao, Xu Zhong-Feng, Li Jian-Xing. Generation of highly-polarized high-energy brilliant γ-rays via laser-plasma interaction[J]. Matter and Radiation at Extremes, 2020, 5(5): 054402. doi: 10.1063/5.0007734

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Generation of highly-polarized high-energy brilliant γ-rays via laser-plasma interaction

doi: 10.1063/5.0007734

1.
MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Science, Xi’an Jiaotong University, Xi’an 710049, China
2.
Department of Physics, National University of Defense Technology, Changsha 410073, China
3.
Department of Physics and Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-Nano Devices, Renmin University of China, Beijing 100872, China

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Corresponding author: a)Author to whom correspondence should be addressed: jianxing@xjtu.edu.cn
Received Date: 2020-03-16
Accepted Date: 2020-07-12

Available Online: 2020-09-01

Publish Date: 2020-09-15

Abstract

Abstract

The generation of highly polarized high-energy brilliant γ-rays via laser–plasma interaction is investigated in the quantum radiation-reaction regime. We employ a quantum electrodynamics particle-in-cell code to describe spin-resolved electron dynamics semiclassically and photon emission and polarization quantum mechanically in the local constant field approximation. As an ultrastrong linearly polarized (LP) laser pulse irradiates a near-critical-density (NCD) plasma followed by an ultrathin planar aluminum target, the electrons in the NCD plasma are first accelerated by the driving laser to ultrarelativistic energies and then collide head-on with the laser pulse reflected by the aluminum target, emitting brilliant LP γ-rays via nonlinear Compton scattering with an average polarization of about 70% and energy up to hundreds of MeV. Such γ-rays can be produced with currently achievable laser facilities and will find various applications in high-energy physics and laboratory astrophysics.

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References(86)

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