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arXiv 1707.09003astro-ph.HEhep-phphysics.space-ph
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用HelioProp在日光层中的Cosmic-ray传输

Cosmic-ray transport in the heliosphere with HelioProp

Andrea Vittino, Carmelo Evoli, Daniele Gaggero

摘要:

在被地球探测到之前,带电的宇宙射线在太阳系中传播,并与湍流的太阳风和日光层磁场相互作用。因此,它们受到一系列过程的影响,包括扩散、对流、能量损失和漂移,这些过程对低能宇宙射线通量的形状和强度产生了重大影响。在这里,我们说明了如何所有这些机制可以现实地模拟HelioProp,我们的公共工具,旨在治疗宇宙射线传输通过日光层中的电荷依赖的方式。我们提出了一个详细的描述的代码的功能,我们说明了在日光层中的传播可以有不同的宇宙射线物种的影响,特别强调反粒子通道相关的暗物质间接检测。

英文摘要:

Before being detected at Earth, charged cosmic rays propagate across the Solar System and undergo interactions with the turbulent solar wind and with the heliospheric magnetic field. As a result, they are subject to a series of processes that include diffusion, convection, energy losses and drifts, which significantly affect the shape and the intensity of the cosmic-ray fluxes at low energies. Here we illustrate how all these mechanisms can be realistically modelled with HelioProp, our public tool designed to treat cosmic-ray transport through the heliosphere in a charge-dependent way. We present a detailed description of the features of the code and we illustrate in a quantitative way the effects that the propagation in the heliosphere can have on the different cosmic-ray species with a particular emphasis on the antiparticle channels relevant for dark matter indirect detection.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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