Solar flares as harbinger of new physics

TL;DR

This paper presents evidence suggesting that solar flares may indicate new physics involving exotic particles like axions and chameleons, supported by observations of solar X-ray emissions and flare dynamics.

Contribution

It provides observational evidence linking solar flare phenomena to the involvement of exotic particles, proposing new physics beyond standard solar models.

Findings

SPHINX mission observed minimal basal soft X-ray emission in 2009.

A ~17 meV axion model explains solar flare spectral components.

Solar chameleons could convert to photons in space, affecting observations.

Abstract

This work provides additional evidence on the involvement of exotic particles like axions and/or other WISPs, following recent measurements during the quietest Sun and flaring Sun. Thus, SPHINX mission observed a minimum basal soft X-rays emission in the extreme solar minimum in 2009. The same scenario (with ~17 meV axions) fits also the dynamical behaviour of white-light solar flares, like the measured spectral components in the visible and in soft X-rays, and, the timing between them. Solar chameleons remain a viable candidate, since they may preferentially convert to photons in outer space.