Axion Astrophysics
Pierluca Carenza, Maurizio Giannotti, Jordi Isern, Alessandro Mirizzi,, Oscar Straniero
TL;DR
This paper reviews how stellar observations and models, especially of the Sun, globular clusters, white dwarfs, and neutron stars, constrain axion properties, highlighting recent advances in the field.
Contribution
It provides a comprehensive overview of current constraints on axions derived from diverse stellar systems, emphasizing recent observational and theoretical progress.
Findings
Stringent bounds on axion-photon coupling from white dwarf cooling
Constraints on axion-electron interactions from globular cluster stars
Potential signals in neutron star cooling data
Abstract
Stars have been recognized as optimal laboratories to probe axion properties. In the last decades there have been significant advances in this field due to a better modelling of stellar systems and accurate observational data. In this work we review the current status of constraints on axions from stellar physics. We focus in particular on the Sun, globular cluster stars, white dwarfs and (proto)-neutron stars.
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Taxonomy
TopicsCosmology and Gravitation Theories · Dark Matter and Cosmic Phenomena · Relativity and Gravitational Theory