Axion-photon coupling
Basic plot
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Basic plot with projections
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Helioscope closeup
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High energy astrophysics limits closeup
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Haloscopes closeup
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Ultralight axions
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Heavy axions
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Simplified plot
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Data files and references
Haloscopes:
Click here for a .txt file of all haloscopes combined (except ABRA and SHAFT)
Click here for .txt file of all haloscope projections combined
- ABRACADABRA (Run 1): limit, reference
- ABRACADABRA (Run 2): limit, reference
- ABRACADABRA (Projection) projection, reference
- ADBC: projection, reference
- ADMX (2010): limit, reference
- ADMX (2018): limit, reference
- ADMX (2019): limit1, limit2, reference
- ADMX (2021): limit, reference
- ADMX Sidecar: limit, reference
- ADMX Sidecar (JTWPA): limit, reference
- ADMX SLIC: limit, reference
- ADMX Projection: projection, reference
- aLIGO: projection, reference
- ALPHA: projection, reference
- BASE: limit, reference
- BRASS: projection, reference
- BREAD: projection, reference
- CADEx: projection, reference
- CAPP-1: limit, reference
- CAPP-2: limit, reference
- CAPP-3: limit, reference
- CAPP-4: limit, reference
- CAPP-5: limit, reference
- CAPP-6 (DFSZ): limit, reference
- CAST-CAPP: limit, reference
- DALI: projection, reference
- DANCE concept: projection, reference
- DANCE (2023): limit, reference
- DM-Radio: projection, reference
- FLASH: projection, reference
- GrAHal: limit, reference
- HAYSTAC (2018): limit (low res.),limit (high res.), reference
- HAYSTAC (2020): limit (low res.), limit (high res.), reference
- HAYSTAC (2022): limit, reference
- LAMPOST: projection, reference
- MADMAX: projection, reference
- ORGAN (2017): limit, projection, reference
- ORGAN-1a (2022): limit,reference
- QUAX (2019): limit, reference
- QUAX (2020): limit, reference
- QUAX (2022): limit, reference
- QUAX Projection: projection, reference
- RADES: limit, reference
- RBF: limit, reference
- SHAFT: limit, reference
- SRF: projection, reference
- SuperMAG: limit, reference
- TASEH: limit, reference
- TOORAD: projection1, projection2, reference
- Twisted Anyon Cavity: projection, reference
- UF: limit, reference
- UPLOAD (2019): limit, reference
- UPLOAD (2023): limit, reference
- WISPLC: projection, reference
Helioscopes/LSW
- ALPS: limit, reference
- ALPS-II: projection, reference
- CAST (2007): limit, reference
- CAST (2017): limit, reference
- CROWS: limit, reference
- babyIAXO: projection, reference
- IAXO: projection, reference
- IAXO+: projection, reference
- IAXO (Galactic SN): projection, reference
- OSQAR: limit, reference
- PVLAS: limit, reference
- SAPPHIRES: limit, reference
Astrophysical searches for axions (green)
- Astrophysical Black hole spins: limit, reference
- Betelgeuse (NuStar X-ray obs.): limit, reference
- Bullet Cluster (Radio): limit, reference
- Cosmic IR background (axion hint): limit, reference
- Chandra (Hydra-A): limit, reference
- Chandra (M87): limit, reference
- Chandra (NGC 1275): limit, reference
- Chandra (H1821+643): limit, reference
- Diffuse SN ALP background: limit, reference
- Diffuse gamma-rays: limit, reference
- Distance ladder: limit, reference
- Fermi-LAT (NGC 1275): limit, hole, reference
- Fermi-LAT (Galactic SN): projection, reference
- Fermi-LAT (Extragalactic SNe): limit, reference
- Fermi-LAT (Quasars): limit, reference
- Freeze-in ALPs (irreducible axions): limit, reference
- Globular cluster R-parameter: limit, reference
- Globular cluster R2-parameter: limit, reference
- HAWC (TeV Blazars): limit, reference
- HESS (PKS 2155-304): limit, reference
- Magnetic white dwarf X-rays: limit1, limit2, reference
- Magnetic white dwarf polarisation: limit, reference
- Mrk 421 (ARGO-YBJ+Fermi): limit, reference
- Mrk 421 (MAGIC+Fermi): limit, reference
- Planck (BBN + N_eff): limit, reference
- Pulsar polar caps: limit, reference
- Solar neutrinos: limit, reference
- Solar basin, DeRocco et al. (NuSTAR): limit, reference
- Solar basin, Beaufort et al. (NuSTAR and SPHINX): limit, reference
- SN1987A ALP decay: limit, reference
- SN1987A light ALP gamma-ray conversion: limit, reference
- SN1987A gamma rays: limit, reference
- SN1987A neutrinos: limit, reference
- SNe (low-energy) ALP decay: limit, reference
- Super star clusters (NuSTAR Xray): limit, reference
- White dwarf initial-final mass relation: limit, reference
Astrophysical searches for axions as dark matter (blue)
- Axion star explosions: limit1, limit2, reference
- BICEP/KECK: limit, reference
- Breakthrough Listen (Doppler): limit, reference
- CMB Anisotropies limit, reference
- COBE/FIRAS + Planck spectral distortions: limit, reference1, reference2
- eROSITA (ALP decay) projection, reference
- Gamma-ray attenuation: limit, reference
- HST Cosmic optical background anisotropies (Nakayama and Yin): limit, reference
- HST Cosmic optical background anisotropies (Carenza et al.): limit, reference
- INTEGRAL (ALP decay): limit, reference
- Leo T gas temperature: limit, reference
- MOJAVE: limit, reference
- Neutron stars (breakthrough listen) limit, reference
- Neutron stars (PSR J2144−3933) limit, reference
- POLARBEAR: limit, reference
- PPTA+QUIJOTE: limit, reference
- Pulsar Polarisation Arrays: projection, reference
- SPT: limit, reference
- Telescopes (Haystack): limit, reference
- Telescopes (MUSE Leo-T): limit, reference
- Telescopes (VIMOS Abell 2667 and 2390): limit, reference
- THESEUS (ALP DM decay to Xrays): projection, reference
- XMM-Newton (decaying DM): limit, reference
- 2011 Compilation: EBL, X-rays, x_ion, reference
Collider, accelerator and beam dump bounds (purple)
- ATLAS (PbPb): limit, reference
- BaBar: limit, reference
- Beam dump (combined): limit, CHARM, E141, E137, NuCal, NA64
- Belle II: limit, reference
- BESIII: limit, reference
- CMS (PbPb): limit, reference
- CONUS: projection, reference
- DUNE: projection, reference
- FASER (LLP): projection, reference
- LEP: limit, reference
- LHC (pp): limit, reference
- NOMAD: limit, reference
- OPAL: limit, reference
- PrimEx: limit, reference