论文标题
在直接驱动惯性限制融合目标中，快速电子的“徘徊”和其他能量传递的效果
Effect of 'wandering' and other features of energy transfer by fast electrons in a direct-drive inertial confinement fusion target
论文作者
论文摘要
从理论上研究了激光相互作用而产生的快速电子对惯性限制融合（ICF）的加热，从理论上研究了。结果表明，由于外围区域的偏远性，在该区域加速电子的情况下，这些颗粒的很大一部分，在电晕中移动并由于在自洽的电场中反射而反复穿越，不会击中目标的压缩部分。使用快速电子生成的现代模型，可以表明，在设计用于火花点火的典型目标中，可以将能量传递到目标压缩部分的快速电子的比例足够小。快速电子总数中只有12％可以做到这一点。 Corona中快速电子“流浪”的这种影响导致快速电子对目标压缩的负面影响显着降低。考虑到流浪效应，快速电子传播到目标的不同部分的能量分布，并确定了氘 - 三位体（DT）燃料压缩的减少。
The heating of inertial confinement fusion (ICF) target by fast electrons, which are generated as a result of laser interaction with expanding plasma (corona) of a target, is investigated theoretically. It is shown that due to remoteness of the peripheral region, where electrons are accelerated, a significant portion of these particles, moving in corona and repeatedly crossing it due to reflection in a self-consistent electric field, will not hit into the compressed part of target. Using the modern models of fast electron generation, it is shown that in a typical target designed for spark ignition, the fraction of fast electrons that can pass their energy to compressed part of target is enough small. Only 12% of the total number of fast electrons can do it. Such an effect of 'wandering' of fast electrons in corona leads to a significant decrease in a negative effect of fast electrons on target compression. Taking into account the wandering effect, the distribution of energy transmitted by fast electrons to different parts of target and the resulting reduction of deuterium-tritium (DT) fuel compression are established.
