Spectral curvature of shock-accelerated particles in solar cycle 23

TL;DR

This paper analyzes the spectral curvature of shock-accelerated protons during solar cycle 23, revealing a correlation between energy break points and spectral curvature in solar energetic particle events.

Contribution

It introduces a novel correlation analysis between energy breaks and spectral curvature in proton distributions during solar cycle 23.

Findings

Identified a correlation between energy break and spectral curvature.

Fitted proton momentum distributions with a log-parabola model.

Analyzed 16 GLE events from solar cycle 23.

Abstract

We have fitted the protons momentum distribution of the 16 GLEs of solar cycle 23 with a log-parabola and have found a correlation between the previously determined energy break and the global spectral curvature of the log-parabola.