It is known that, in the strong electric field, electrons undergo continuous acceleration [runaway electrons (REs)] even in dense media, receiving from the field more energy than lose via interactions with the ambient atomic particles. We, here, analyze the effect of the angular scattering of electrons in inelastic interactions on the runaway process. For this purpose, we developed a Monte Carlo (MC) code and, having carried out simulations of electron transport in the helium of atmospheric density, calculated the runaway rate at the field strengths of 50–300 kV cm ⁻¹ . We show that different models of the electron scattering lead to a tenfold difference in the runaway rate magnitudes.

中文翻译：

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电子角散射模型对氦中电子失控率的影响

众所周知，在强电场中，即使在稠密介质中，电子也会持续加速 [失控电子 (RE)]，从场中接收到的能量多于通过与周围原子粒子的相互作用而损失的能量。我们在这里分析了非弹性相互作用中电子角散射对失控过程的影响。为此，我们开发了蒙特卡罗 (MC) 代码，并在大气密度的氦气中进行了电子传输模拟，计算了 50-300 kV cm ^-1场强下的失控率 。我们表明电子散射的不同模型导致失控率幅度的十倍差异。