Hydrodynamic response of solid target heated by heavy ion beams from future facility HIAF

作者:Ren, Jieru*; Zhao, Yongtao; Cheng, Rui; Xu, Zhongfeng; Xiao, Guoqing
来源:Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms , 2017, 406: 703-707.
DOI:10.1016/j.nimb.2017.03.018

摘要

The hydrodynamic response of solid target heated by heavy ion beams at High Intensity Accelerator Facility (HIAF) project was simulated with 1-D computer code. The energy deposition was benchmarked by a 2-D program. The work serves to show the prospect of HIAF project for High Energy Density Physics (HEDP) study, and provide helpful information for the future experiments. Various target materials and schemes are used in the calculation. The results show that in the first phase of HIAF project, the available ion beam is already a powerful tool to generate HED matter with specially designed target, and the second phase of the project will extend the accessible state of matter a big step further. What's more, the hydrodynamic behavior of the target under direct heating indicates that the beam parameter design for HEDP research should come to a compromise, which means, for example, with higher intensity or smaller focal spot, the beam pulse length must be compressed short enough to avoid the target dispersal before the end of the pulse.