In this paper , such three points are studied as : a ) the angular distributions of the hot electrons emission under laser irradiation at different incidence angles and at different polarization direction , the angular distribution of the hot electrons in the different energy range , and the effects of laser prepulse on the angular distributions of the hot electrons emission ; b ) the energy distribution of the hot electrons at different directions , from the metallic targets and the dielectric targets , in the different energy range of the hot electrons , and the effects of the atomic number z on the energy distribution of hot electron generated by the metallic targets ; and c ) the energetic proton emission resulting from the interaction of the us - ui laser pulse with plasma 本论文进行了三个方面的研究：第一，超热电子角分布的研究，包括不同激光入射角下超热电子的角分布；激光不同偏振态下超热电子的角分布；激光预脉冲对超热电子角分布的影响；不同能段的超热电子的角分布。第二，超热电子能量分布的研究，包括不同方位超热电子的能量分布，金属与非金属靶材的超热电子的能量分布，金属原子序数z对超热电子能量分布的影响以及不同能段超热电子的能量分布。第三，研究了超短超强激光与固体靶相互作用所产四川大学博士学位论文生的高能质子发射和能谱。
The rate of single event upset ( seu ) for space - based missions has been predicted by means of ground - based particle accelerator test and simulation calculation based on models of space radiation environment and the interaction of ions with the microelectronic device 我们采用的方法是用地面重离子加速器模拟实验和计算机模拟空间辐射环境进行单粒子翻转率预估计算。引发单粒子翻转的空间高能带电粒子环境包括银河宇宙线，太阳宇宙线和地球辐射带中的高能质子及重离子。
This paper deals with the monte carlo simulation of high - energy protons transport in silicon , in which the intra - nuclear cascade model is used to deal with proton nuclear reaction process . and the results of radiation effects of proton in silicon and p - seu ( proton induced single event upset ) cross section of some electronic devices are presented 本文用蒙特卡罗方法对高能质子(最高能量在500mev以上)在硅材料中的输运过程进行了模拟，作了用核内级联模型计算质子核反应的尝试，计算了质子对硅材料的辐射效应及其对硅器件的单粒子效应。
The research uncovered the facts that , in the design of space vehicles , the single event effects induced by high - energy protons and iron ions in space must be taken into account seriously , the proper hardening measures must be taken to protect the electronic devices from disfunction . it is also suggested that , for the low - orbit satellites , the south atlantic anominal zone should be avoided 宇宙高能质子和铁离子的单粒子效应在航天任务设计中需要重点考虑，空间应用的电子学元器件，必须进行适当的抗辐射加固，在设计低轨道卫星轨道时必须设法避开南大西洋异常区( saa ) ，航天任务设计中还需要掌握太阳质子事件总体上11年为周期的特性。
The radiation shielding and single event upset ( seu ) of semiconductor components induced by high - energy low - flux and the thermal - mechanical effects of materials resulting from the high - energy intense - current proton irradiation are extensively studied , following conclusions are achieved : the characteristics of space radiation environment and the potential radiation effects are investigated systematically 利用本文编制的程序，着重研究了高能质子的辐射屏蔽问题、单粒子效应中的单粒子翻转seu 、强流质子束辐照材料引起的热?力学效应等问题，从而为以后的相关研究提供了数值模拟手段。论文的主要进展有：系统地总结分析了空间辐射环境的构成、特点及其可能产生的辐射效应。
The target studied in this paper is one of the most important components in the ads . coupling the two innovative fields in the nuclear scientific and technological circles that are accelerator and sub - critical reactor . the physical function of this part is be as the neutron source , accepting the medium or high energy proton , breeding spallation reaction , arising the self - sustaining nuclear fission and generating the power 本文所研究的靶件作为该系统最重要的关键部件之一，耦合核科技界的两大创新领域-高功率质子加速器和次临界堆，该靶件的物理作用主要是接受中、高能质子，发生散裂反应，产生中子源，引发持续链式反应，产生能量。
And based on the intra - nuclear cascade model , the p - seu cross sections of some devices are calculated . after comparison with the result published and experimental data , it showed that it is a very good choice using intra - nuclear cascade model to simulate protons " nuclear reaction . and the result of protons transport is just fitted with the one calculated by lahet ; the p - seu cross sections calculated are in good agreement with the experimental data 经比较和分析发现，用核内级联模型模拟质子的核反应，在入射质子的能量很高( 50mev )时与文献和实验结果吻合得非常好；所计算的高能质子在硅材料中的输运结果，与lahet程序的计算结果基本符合；所计算的质子在硅器件中的单粒子效应，与文献和实验数据符合得非常好。
The irradiation experimental results show that the resolution of thin detector e1 is higher than that of other thick detectors for ex - particles and protons detection . energy calibration for a - particles was completed with multiplication factor 1 / 3 . energy calibrations of a - particles in detector e1 and e1 , are 0 . 107 mev and 0 . 123 mev per channel , respectively 质子能量刻度采用1档，每道能量h约在0 . 0167mev道，但是在e _ 1探测器中的能量刻度随着能量的增加略有所下降，这是由于高能质子伴随有较多的核反应道对粒子探测产生了干扰，从而增加了在e _ 1探测器中的能量沉积道数，使得每道能量略有所下降，另一个因素可能是探测器厚度的不均匀性的影响，但这并不影响对粒子的鉴别。
For high energy proton - proton elastic scattering , the cross section has been calculated from exchanging pomeron theory , such as these calculations have been performed for differential cross section at the energy of = 53gev and the total cross section , for differential cross section , below the momentum transform and for total cross section at s > 10 the pomeron exchange theory reproduce the experimental data very well 对于高能质子?质子弹性散射，我们利用交换pomeron理论获得其散射截面。广的帅他人学顾论义我们分别计算了在入时能挝为人53 ev的微分散射徽而和总散射截面，结果我们得剑。
