论文标题

在轻度相对论等离子体中,同步加速器辐射对超热电子种群的敏感性

Sensitivity of synchrotron radiation to the superthermal electron population in mildly relativistic plasma

论文作者

Mlodik, M. E., Munirov, V. R., Rubin, T., Fisch, N. J.

论文摘要

$ \ sim 10〜 \ textrm {kev} $和$ \ sim 100〜 \ textrm {kev} $ plasma中的同步辐射具有明显不同的行为。我们表明,占据速度分布功能尾部的高能电子对$ \ sim 100〜 \ textrm {kev} $ plasma的功率损失的影响不成比例。如果能量多于截止能量的电子在保持麦克斯韦分布函数完整以下的同时重新分布,那么同步子辐射的发射和吸收都可以降低损失的功率。这些新型的辐射传输效应在非平衡等离子体中表明,在辐射有害的应用中,在高能电子的解料中降低了同步辐射。

Synchrotron radiation has markedly different behavior in $\sim 10~\textrm{keV}$ and in $\sim 100~\textrm{keV}$ plasma. We show that high-energy electrons which occupy the tail of velocity distribution function have disproportionate impact on power loss of $\sim 100~\textrm{keV}$ plasma. If electrons with energy more than a cutoff energy are redistributed while keeping the Maxwellian distribution function below cutoff energy intact, both emission and absorption of synchrotron radiation act to decrease the lost power. These novel radiation transport effects in non-equilibrium plasma suggest large utility in the deconfinement of high-energy electrons to reduce synchrotron radiation in applications where the radiation is deleterious.

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