Astrophysical Axion Bounds: The 2024 Edition
A. Caputo and G. Raffelt*
*: corresponding author
Full text: pdf
Pre-published on: March 11, 2024
Published on: April 23, 2024
Abstract
We review the current status of astrophysical bounds on QCD axions, primarily based on the observational effects of nonstandard energy losses on stars, including black-hole superradiance. Over the past few years, many of the traditional arguments have been reexamined both theoretically and using modern data and new ideas have been put forth. This compact review updates similar Lecture Notes written by one of us in 2006 [Lect. Notes Phys. 741 (2008) 51–71].
DOI: https://doi.org/10.22323/1.454.0041
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