DD proton spectrum for diagnosing the areal density of imploded capsules on Shenguang Ⅲ prototype laser facility

doi:10.1088/1674-1056/23/7/075207

Abstract The primary DD proton spectrum is used for diagnosing the fuel-shell areal density ρR of imploded capsules on Shenguang Ⅲ (SG-Ⅲ) prototype laser facility for the first time. A charged particle spectrometer (CPS) with a CR39 nuclear track detector is used to measure the DD proton spectrum. The proton spectrum is determined from both the proton track and its size. A typical proton energy peak shift from 3.02 MeV to 2.6 MeV is observed in our experiment, which yields a maximum ρR larger than 6 mg/cm².

Keywords: DD proton spectrum charged particle spectrometer areal density implosion

Received: 09 October 2013
Revised: 21 January 2014
Accepted manuscript online:

PACS:	52.57.Fg	(Implosion symmetry and hydrodynamic instability (Rayleigh-Taylor, Richtmyer-Meshkov, imprint, etc.))
	52.70.Nc	(Particle measurements)
	29.30.Ep	(Charged-particle spectroscopy)

Fund: Project supported by the Foundation of Science and Technology on Plasma Physics Laboratory, China (Grant No. 9140C680302130C68243).

Corresponding Authors: Gu Yu-Qiu
E-mail: yqgu@caep.ac.cn

About author: 52.57.Fg; 52.70.Nc; 29.30.Ep

Cite this article:

Teng Jian (滕建), Zhang Tian-Kui (张天奎), Wu Bo (伍波), Pu Yu-Dong (蒲昱东), Hong Wei (洪伟), Shan Lian-Qiang (单连强), Zhu Bin (朱斌), He Wei-Hua (何卫华), Lu Feng (卢峰), Wen Xian-Lun (温贤伦), Zhou Wei-Min (周维民), Cao Lei-Feng (曹磊峰), Jiang Shao-En (江少恩), Gu Yu-Qiu (谷渝秋) DD proton spectrum for diagnosing the areal density of imploded capsules on Shenguang Ⅲ prototype laser facility 2014 Chin. Phys. B 23 075207

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DD proton spectrum for diagnosing the areal density of imploded capsules on Shenguang Ⅲ prototype laser facility

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