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Study of charge behavior during solar particle acceleration

机译:研究太阳粒子加速过程中的电荷行为

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摘要

In order to explain the evolution with energy of the charge state of solar par-ticles we have developed a model where charge states are defined at the source during the particle acceleration process. Charge-interchange processes between the accelerated ions and local matter are considered on basis of electron loss and capture cross-sections at high energies. The model is worked out under two different approaches. We apply the model to observational data of charge states of most of particle events published in the literature. We discuss our results and implications within the frame of other existing models: we conclude that our analytical model gives more information of the underlying physics than the numerical simulations developed by other authors.
机译:为了解释太阳能粒子带电状态随能量的演化,我们开发了一个模型,其中在粒子加速过程中在源处定义了带电状态。加速离子与局部物质之间的电荷交换过程是基于电子损失和高能俘获截面的考虑。该模型是通过两种不同的方法得出的。我们将该模型应用于文献中发表的大多数粒子事件的电荷状态观测数据。我们在其他现有模型的框架内讨论了我们的结果和含义:我们得出的结论是,与其他作者开发的数值模拟相比,我们的分析模型提供了更多有关底层物理的信息。

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  • 来源
    《Geofisica internacional》 |2008年第3期|215-230|共16页
  • 作者单位

    Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico;

    Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico;

    Grupo de Fisica de Plasmas y Astroparticulas, Universidad de Alcald, Madrid, Spain;

    Grupo de Fisica de Plasmas y Astroparticulas, Universidad de Alcald, Madrid, Spain;

    Grupo de Fisica de Plasmas y Astroparticulas, Universidad de Alcald, Madrid, Spain;

    Depto. de Ciencias Bdsicas, Unidad Profesional Interdisciplinaria de Ingenieria y Ciencias Sociales y Administrativas, Instituto Politecnico Nacional, Mexico City, Mexico;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    SEP; charge states evolution; ecceleration;

    机译:SEP;电荷状态演化;加速;

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