Observation of a high degree of stopping for laser-accelerated intense proton beams in dense ionized matter

Jieru Ren, Zhigang Deng, Wei Qi, Benzheng Chen, Bubo Ma, Xing Wang, Shuai Yin, Jianhua Feng, Wei Liu, Zhongfeng Xu, Dieter H. H. Hoffmann, Shaoyi Wang, Quanping Fan, Bo Cui, Shukai He, Zhurong Cao, Zongqing Zhao, Leifeng Cao, Yuqiu Gu, Shaoping Zhu, Rui Cheng, Xianming Zhou, Guoqing Xiao, Hongwei Zhao, Yihang Zhang, Zhe Zhang, Yutong Li, Dong Wu (), Weimin Zhou () and Yongtao Zhao ()
Additional contact information
Jieru Ren: Xi’an Jiaotong University
Zhigang Deng: Laser Fusion Research Center, China Academy of Engineering Physics
Wei Qi: Laser Fusion Research Center, China Academy of Engineering Physics
Benzheng Chen: Xi’an Jiaotong University
Bubo Ma: Xi’an Jiaotong University
Xing Wang: Xi’an Jiaotong University
Shuai Yin: Xi’an Jiaotong University
Jianhua Feng: Xi’an Jiaotong University
Wei Liu: Xi’an Jiaotong University
Zhongfeng Xu: Xi’an Jiaotong University
Dieter H. H. Hoffmann: Xi’an Jiaotong University
Shaoyi Wang: Laser Fusion Research Center, China Academy of Engineering Physics
Quanping Fan: Laser Fusion Research Center, China Academy of Engineering Physics
Bo Cui: Laser Fusion Research Center, China Academy of Engineering Physics
Shukai He: Laser Fusion Research Center, China Academy of Engineering Physics
Zhurong Cao: Laser Fusion Research Center, China Academy of Engineering Physics
Zongqing Zhao: Laser Fusion Research Center, China Academy of Engineering Physics
Leifeng Cao: Laser Fusion Research Center, China Academy of Engineering Physics
Yuqiu Gu: Laser Fusion Research Center, China Academy of Engineering Physics
Shaoping Zhu: Laser Fusion Research Center, China Academy of Engineering Physics
Rui Cheng: Chinese Academy of Sciences
Xianming Zhou: Xi’an Jiaotong University
Guoqing Xiao: Chinese Academy of Sciences
Hongwei Zhao: Chinese Academy of Sciences
Yihang Zhang: Institute of Physics, Chinese Academy of Sciences
Zhe Zhang: Institute of Physics, Chinese Academy of Sciences
Yutong Li: Institute of Physics, Chinese Academy of Sciences
Dong Wu: Zhejiang University
Weimin Zhou: Laser Fusion Research Center, China Academy of Engineering Physics
Yongtao Zhao: Xi’an Jiaotong University

Nature Communications, 2020, vol. 11, issue 1, 1-7

Abstract: Abstract Intense particle beams generated from the interaction of ultrahigh intensity lasers with sample foils provide options in radiography, high-yield neutron sources, high-energy-density-matter generation, and ion fast ignition. An accurate understanding of beam transportation behavior in dense matter is crucial for all these applications. Here we report the experimental evidence on one order of magnitude enhancement of intense laser-accelerated proton beam stopping in dense ionized matter, in comparison with the current-widely used models describing individual ion stopping in matter. Supported by particle-in-cell (PIC) simulations, we attribute the enhancement to the strong decelerating electric field approaching 1 GV/m that can be created by the beam-driven return current. This collective effect plays the dominant role in the stopping of laser-accelerated intense proton beams in dense ionized matter. This finding is essential for the optimum design of ion driven fast ignition and inertial confinement fusion.

Date: 2020
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DOI: 10.1038/s41467-020-18986-5

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