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arXiv 2004.12229astro-ph.SR
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太阳高能粒子元素丰度图中含氢的优点

Virtues of Including Hydrogen in the Patterns of Element Abundances in Solar Energetic Particles

Donald V. Reames

摘要:

我们重新审视了2012年1月23日事件中太阳高能粒子(SEP)元素丰度的多航天器研究,其中C至Fe元素的增强与质荷比A/Q的幂律模式部分被Mg附近的断裂所破坏,这被证明是一个不幸的分心。在本文中,我们发现,将C-Fe的最小二乘拟合扩展到A/Q = 1时的H,使幂律更加可信,即使H本身不包括在拟合中。我们还调查了在这一事件中的冲击波后面的磁捕获粒子的一个磁不变的“水库”的程度。

英文摘要:

We revisit a multi-spacecraft study of the element abundances of solar energetic particles (SEPs) in the 23 January 2012 event, where the power-law pattern of enhancements versus the mass-to-charge ratio A/Q for the elements C through Fe was partly disrupted by a break near Mg, which turned out to be an unfortunate distraction. In the current article we find that extending that least-squares fits for C - Fe down to H at A/Q = 1 lends much more credence to the power laws, even though H itself was not included in the fits. We also investigate the extent of an adiabatically invariant "reservoir" of magnetically-trapped particles behind the shock wave in this event.

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