CompAxion - Constraints on the companion axion model

Python notebooks to reproduce the plots from the papers arXiv:[2109.12920] (paper I) and arXiv:[2110.11014] (paper II)

Notebooks

• Couplings.ipynb - Figure 1 of Paper I
• AxionMasses.ipynb - Figure 2a of Paper I
• Constraints.ipynb - Figure 2b of Paper I
• Projections.ipynb - Figure 3 of Paper I
• Cosmology.ipynb - Figure 1 of Paper II
• ThetaAngles.ipynb - Figure 2 of Paper II
• GWs.ipynb - Figure 3 of Paper II

Python files

• AxionFuncs.py
• PlotFuncs.py

Other content

• limit_data/ - Contains digitised limits on the axion-photon coupling, as well as gravitational wave sensitivities from Schmitz 2020
• plots/ - Contains all the plots in pdf and png formats
• data/ - currently just has the Primakoff solar axion flux needed for one calculation

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If you need any further assistance or have any questions, contact me at ciaran.aj.ohare@gmail.com. And if you do use anything here please cite the pheno paper, Chen et al. 2021a

@article{Chen:2021hfq,
    author = "Chen, Zhe and Kobakhidze, Archil and O'Hare, Ciaran A. J. and Picker, Zachary S. C. and Pierobon, Giovanni",
    title = "{Phenomenology of the companion-axion model: photon couplings}",
    eprint = "2109.12920",
    archivePrefix = "arXiv",
    primaryClass = "hep-ph",
    month = "9",
    year = "2021"
}

or for the cosmology paper Chen et al. 2021b

@article{Chen:2021abc,
    author = "Chen, Zhe and Kobakhidze, Archil and O'Hare, Ciaran A. J. and Picker, Zachary S. C. and Pierobon, Giovanni",
    title = "{Cosmology of the companion-axion model: dark matter, gravitational waves, and primordial black holes}",
    eprint = "2110.11014",
    archivePrefix = "arXiv",
    primaryClass = "hep-ph",
    month = "10",
    year = "2021"
}