Closer scrutiny of cosmic ray proton energy losses
AmirFarzan Esmaeili,
Arman Esmaili,
Pasquale Dario Serpico
Abstract:The percent-level precision attained by modern cosmic ray (CR) observations motivates reaching a comparable or better control of theoretical uncertainties. Here we focus on energy-loss processes affecting low-energy CR protons (∼0.1–5 GeV), where the experimental errors are small and collisional effects play a comparatively larger role with respect to collisionless transport ones. We study three aspects of the problem: (i) We quantitatively assess the role of the nuclear elastic cross section, for the first t… Show more
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