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Ultrashort megaelectronvolt positron beam generation based on laser-accelerated electrons
Xu, Tongjun; Shen, Baifei; Xu, Jiancai; Li, Shun; Yu, Yong; Li, Jinfeng; Lu, Xiaoming; Wang, Cheng; Wang, Xinliang; Liang, Xiaoyan; Leng, Yuxin; Li, Ruxin; Xu, Zhizhan; bfshen@mail.shcnc.ac.cn; jcxu@siom.ac.cn
2016
发表期刊Phys. Plasmas
卷号23期号:3
摘要Experimental generation of ultrashort MeV positron beams with high intensity and high density using a compact laser-driven setup is reported. A high-density gas jet is employed experimentally to generate MeV electrons with high charge; thus, a charge-neutralized MeV positron beam with high density is obtained during laser-accelerated electrons irradiating high-Z solid targets. It is a novel electron-positron source for the study of laboratory astrophysics. Meanwhile, the MeV positron beam is pulsed with an ultrashort duration of tens of femtoseconds and has a high peak intensity of 7.8 x 10(21) s(-1), thus allows specific studies of fast kinetics in millimeter-thick materials with a high time resolution and exhibits potential for applications in positron annihilation spectroscopy. (C) 2016 AIP Publishing LLC.
文章类型Article
部门归属强光
DOI10.1063/1.4943280
资助者National Natural Science Foundation of China [11335013, 61521093, 11505264] ; National Natural Science Foundation of China [11335013, 61521093, 11505264] ; National Natural Science Foundation of China [11335013, 61521093, 11505264] ; National Natural Science Foundation of China [11335013, 61521093, 11505264]
收录类别SCI
资助者National Natural Science Foundation of China [11335013, 61521093, 11505264] ; National Natural Science Foundation of China [11335013, 61521093, 11505264] ; National Natural Science Foundation of China [11335013, 61521093, 11505264] ; National Natural Science Foundation of China [11335013, 61521093, 11505264]
WOS记录号WOS:000375854900068
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28742
专题强场激光物理国家重点实验室
通讯作者bfshen@mail.shcnc.ac.cn; jcxu@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Xu, Tongjun,Shen, Baifei,Xu, Jiancai,et al. Ultrashort megaelectronvolt positron beam generation based on laser-accelerated electrons[J]. Phys. Plasmas,2016,23(3).
APA Xu, Tongjun.,Shen, Baifei.,Xu, Jiancai.,Li, Shun.,Yu, Yong.,...&jcxu@siom.ac.cn.(2016).Ultrashort megaelectronvolt positron beam generation based on laser-accelerated electrons.Phys. Plasmas,23(3).
MLA Xu, Tongjun,et al."Ultrashort megaelectronvolt positron beam generation based on laser-accelerated electrons".Phys. Plasmas 23.3(2016).
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