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arxiv: 2509.17059 · v3 · submitted 2025-09-21 · ✦ hep-ph · astro-ph.CO· hep-th

Axions as Dark Matter, Dark Energy, and Dark Radiation

Luca Visinelli This is my paper

Pith reviewed 2026-05-18 14:52 UTC · model grok-4.3

classification ✦ hep-ph astro-ph.COhep-th
keywords axionsaxion-like particlesdark matterdark energydark radiationcosmologyearly universeobservational signatures
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0 comments X

The pith

Axions and axion-like particles can serve as dark matter, dark energy, or dark radiation depending on their mass and interactions.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This paper reviews how axions and similar light particles, common in extensions of the Standard Model, provide a single framework for several unsolved problems in cosmology. Their mass and coupling strength decide whether they behave as invisible dark matter that holds galaxies together, as dark energy that accelerates cosmic expansion, or as dark radiation that adds to the early universe's relativistic energy density. A reader would care because this lets one new particle type address multiple separate cosmological puzzles rather than requiring distinct explanations for each. The review covers the underlying theory, possible observational signals in the cosmic microwave background or large-scale structure, and the reach of current and planned experiments.

Core claim

Axions and axion-like particles are ubiquitous in extensions of the Standard Model and offer a unifying framework for addressing open problems in cosmology. Depending on their mass and interactions, axions can act as dark matter, drive cosmic acceleration as dark energy, or contribute to the relativistic background as dark radiation.

What carries the argument

Axions and axion-like particles, light bosons arising in Standard Model extensions, whose specific mass and interaction properties determine their role as dark matter, dark energy, or dark radiation across cosmic history.

If this is right

  • Axions produced via the misalignment mechanism can match the observed dark matter density for masses around the micro-electronvolt scale.
  • Axions with masses near the Hubble scale at late times can drive accelerated expansion similar to a cosmological constant.
  • Very light axions can increase the effective number of neutrino species and alter predictions for the cosmic microwave background and big bang nucleosynthesis.
  • Laboratory searches and astrophysical bounds can be mapped directly onto the mass-coupling plane for each cosmological scenario.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Future combined analyses of cosmological data and axion searches could narrow the allowed parameter space more effectively than either method alone.
  • Discovery of an axion in one mass window would immediately suggest testable predictions for its possible contributions to other dark components.
  • The same logic could extend to other light pseudoscalars not strictly tied to the QCD axion solution.

Load-bearing premise

Axions exist with masses and couplings that let them play these cosmological roles without conflicting with existing observations or theoretical constraints.

What would settle it

A measurement of the cosmic dark matter density, the dark energy equation of state, or the effective number of relativistic species that leaves no parameter space for axion contributions in the mass ranges needed for each role.

read the original abstract

Axions and axion-like particles are ubiquitous in extensions of the Standard Model and offer a unifying framework for addressing open problems in cosmology. Depending on their mass and interactions, axions can act as dark matter, drive cosmic acceleration as dark energy, or contribute to the relativistic background as dark radiation. Motivated by the plenary talk at TAUP 2025, this proceeding reviews the phenomenology of light bosons in the early and late Universe, with a focus on the theoretical foundations, observational signatures, and experimental prospects. This contribution is intended as a compact mini-review, emphasizing representative mechanisms and observational targets rather than an exhaustive survey.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 2 minor

Summary. This proceeding is a compact mini-review summarizing established axion and axion-like particle phenomenology in cosmology. It claims that, depending on mass and interactions, these particles can serve as dark matter, drive cosmic acceleration as dark energy, or contribute to the relativistic background as dark radiation, thereby offering a unifying framework for open cosmological problems. The text reviews theoretical foundations, observational signatures, and experimental prospects, motivated by a plenary talk at TAUP 2025, while emphasizing representative mechanisms rather than an exhaustive survey.

Significance. As a synthesis of well-established results from the literature rather than a source of new derivations, the manuscript provides a concise and accessible overview that can serve as a useful entry point for researchers. Its strength lies in the clear framing of mass- and coupling-dependent regimes (QCD axion DM, ultralight axion DE, relativistic dark radiation) and the focus on observational targets. Credit is given for the compact format and the absence of novel assumptions or self-referential calculations.

minor comments (2)
  1. [Abstract] Abstract: the statement that axions 'offer a unifying framework' would benefit from a single sentence noting the characteristic mass windows (e.g., ~10^{-5} eV for DM, ~10^{-33} eV for DE) to orient readers immediately.
  2. The review should explicitly flag which statements rest on specific prior references versus general consensus, to avoid any impression that new constraints are being derived.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for the positive assessment of our manuscript as a concise and accessible mini-review. We appreciate the recognition of its clear framing of the mass- and coupling-dependent regimes for axions and axion-like particles, as well as the acknowledgment of its utility as an entry point for researchers. The recommendation for minor revision is noted, and we will incorporate appropriate editorial adjustments in the revised version.

Circularity Check

0 steps flagged

No significant circularity; mini-review of established literature

full rationale

The paper is explicitly a compact mini-review summarizing established axion cosmology phenomenology from external literature rather than presenting new derivations or predictions. The unifying framework follows from well-known mass- and coupling-dependent regimes already present in prior work; no novel equations, fitted parameters, or self-referential predictions are introduced that reduce to the paper's own inputs. Any self-citations serve as non-load-bearing references to external results.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

As a review paper, the central claims rest on the existence and properties of axions as described in the broader literature; no new free parameters, axioms, or invented entities are introduced in this work.

pith-pipeline@v0.9.0 · 5622 in / 992 out tokens · 34368 ms · 2026-05-18T14:52:24.687404+00:00 · methodology

discussion (0)

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Reference graph

Works this paper leans on

255 extracted references · 255 canonical work pages · 129 internal anchors

  1. [1]

    Particle Dark Matter: Evidence, Candidates and Constraints

    G. Bertone, D. Hooper and J. Silk,Particle dark matter: Evidence, candidates and constraints,Phys. Rept.405(2005) 279 [hep-ph/0404175]

    work page internal anchor Pith review Pith/arXiv arXiv 2005

  2. [2]

    Marsh, D

    D.J.E. Marsh, D. Ellis and V.M. Mehta,Dark Matter: Evidence, Theory, and Constraints, Princeton Series in Astrophysics, Princeton University Press (10, 2024), 10.1515/9780691249711

    work page doi:10.1515/9780691249711 2024

  3. [3]

    Dark Matter

    M. Cirelli, A. Strumia and J. Zupan,Dark Matter,2406.01705. [4]SDSScollaboration,Detection of the Baryon Acoustic Peak in the Large-Scale Correlation Function of SDSS Luminous Red Galaxies,Astrophys. J.633(2005) 560 [astro-ph/0501171]. [5]Planckcollaboration,Planck 2018 results. VI. Cosmological parameters,Astron. Astrophys.641(2020) A6 [1807.06209]. [6]P...

    work page internal anchor Pith review Pith/arXiv arXiv 2005

  4. [4]

    Peccei and H.R

    R.D. Peccei and H.R. Quinn,CP Conservation in the Presence of Instantons,Phys. Rev. Lett.38(1977) 1440

    work page 1977

  5. [5]

    Weinberg,A New Light Boson?,Phys

    S. Weinberg,A New Light Boson?,Phys. Rev. Lett.40(1978) 223

    work page 1978

  6. [6]

    Wilczek,Problem of Strong𝑃and𝑇Invariance in the Presence of Instantons,Phys

    F. Wilczek,Problem of Strong𝑃and𝑇Invariance in the Presence of Instantons,Phys. Rev. Lett.40(1978) 279

    work page 1978

  7. [7]

    Preskill, M.B

    J. Preskill, M.B. Wise and F. Wilczek,Cosmology of the Invisible Axion,Phys. Lett. B120 (1983) 127

    work page 1983

  8. [8]

    Abbott and P

    L.F. Abbott and P. Sikivie,A Cosmological Bound on the Invisible Axion,Phys. Lett. B120 (1983) 133

    work page 1983

  9. [9]

    Dine and W

    M. Dine and W. Fischler,The Not So Harmless Axion,Phys. Lett. B120(1983) 137

    work page 1983

  10. [10]

    Kibble,Topology of Cosmic Domains and Strings,J

    T.W.B. Kibble,Topology of Cosmic Domains and Strings,J. Phys. A9(1976) 1387. 14 Axions as Dark Matter, Dark Energy, and Dark RadiationLuca Visinelli

    work page 1976

  11. [11]

    Vilenkin and A.E

    A. Vilenkin and A.E. Everett,Cosmic Strings and Domain Walls in Models with Goldstone and PseudoGoldstone Bosons,Phys. Rev. Lett.48(1982) 1867

    work page 1982

  12. [12]

    Lyth and E.D

    D.H. Lyth and E.D. Stewart,Axions and inflation: String formation during inflation,Phys. Rev. D46(1992) 532

    work page 1992

  13. [13]

    Davis,Cosmic Axions from Cosmic Strings,Phys

    R.L. Davis,Cosmic Axions from Cosmic Strings,Phys. Lett. B180(1986) 225

    work page 1986

  14. [14]

    Harari and P

    D. Harari and P. Sikivie,On the Evolution of Global Strings in the Early Universe,Phys. Lett. B195(1987) 361

    work page 1987

  15. [15]

    Davis and E.P.S

    R.L. Davis and E.P.S. Shellard,DO AXIONS NEED INFLATION?,Nucl. Phys. B324 (1989) 167

    work page 1989

  16. [16]

    Axion String Constraints

    R.A. Battye and E.P.S. Shellard,Axion string constraints,Phys. Rev. Lett.73(1994) 2954 [astro-ph/9403018]

    work page internal anchor Pith review Pith/arXiv arXiv 1994

  17. [17]

    Studies of the motion and decay of axion walls bounded by strings

    S. Chang, C. Hagmann and P. Sikivie,Studies of the motion and decay of axion walls bounded by strings,Phys. Rev. D59(1999) 023505 [hep-ph/9807374]

    work page internal anchor Pith review Pith/arXiv arXiv 1999

  18. [18]

    Evolution of String-Wall Networks and Axionic Domain Wall Problem

    T. Hiramatsu, M. Kawasaki and K. Saikawa,Evolution of String-Wall Networks and Axionic Domain Wall Problem,JCAP08(2011) 030 [1012.4558]

    work page internal anchor Pith review Pith/arXiv arXiv 2011

  19. [19]

    Production of dark matter axions from collapse of string-wall systems

    T. Hiramatsu, M. Kawasaki, K. Saikawa and T. Sekiguchi,Production of dark matter axions from collapse of string-wall systems,Phys. Rev. D85(2012) 105020 [1202.5851]

    work page internal anchor Pith review Pith/arXiv arXiv 2012

  20. [20]

    Kawasaki, T

    M. Kawasaki, T. Sekiguchi, M. Yamaguchi and J. Yokoyama,Long-term dynamics of cosmological axion strings,PTEP2018(2018) 091E01 [1806.05566]

    work page arXiv 2018

  21. [21]

    Evolution and thermalization of dark matter axions in the condensed regime

    K. Saikawa and M. Yamaguchi,Evolution and thermalization of dark matter axions in the condensed regime,Phys. Rev. D87(2013) 085010 [1210.7080]

    work page internal anchor Pith review Pith/arXiv arXiv 2013

  22. [22]

    Early seeds of axion miniclusters

    A. Vaquero, J. Redondo and J. Stadler,Early seeds of axion miniclusters,JCAP04(2019) 012 [1809.09241]

    work page internal anchor Pith review Pith/arXiv arXiv 2019

  23. [23]

    Axion dark matter from topological defects

    M. Kawasaki, K. Saikawa and T. Sekiguchi,Axion dark matter from topological defects, Phys. Rev. D91(2015) 065014 [1412.0789]

    work page internal anchor Pith review Pith/arXiv arXiv 2015

  24. [24]

    Axion dark matter in the post-inflationary Peccei-Quinn symmetry breaking scenario

    A. Ringwald and K. Saikawa,Axion dark matter in the post-inflationary Peccei-Quinn symmetry breaking scenario,Phys. Rev. D93(2016) 085031 [1512.06436]

    work page internal anchor Pith review Pith/arXiv arXiv 2016

  25. [25]

    QCD axion dark matter from long-lived domain walls during matter domination

    K. Harigaya and M. Kawasaki,QCD axion dark matter from long-lived domain walls during matter domination,Phys. Lett. B782(2018) 1 [1802.00579]

    work page internal anchor Pith review Pith/arXiv arXiv 2018

  26. [26]

    Caputo and M

    A. Caputo and M. Reig,Cosmic implications of a low-scale solution to the axion domain wall problem,Phys. Rev. D100(2019) 063530 [1905.13116]

    work page arXiv 2019

  27. [27]

    String Axiverse

    A. Arvanitaki, S. Dimopoulos, S. Dubovsky, N. Kaloper and J. March-Russell,String Axiverse,Phys. Rev. D81(2010) 123530 [0905.4720]. 15 Axions as Dark Matter, Dark Energy, and Dark RadiationLuca Visinelli

    work page internal anchor Pith review Pith/arXiv arXiv 2010

  28. [28]

    Witten,Some Properties of O(32) Superstrings,Phys

    E. Witten,Some Properties of O(32) Superstrings,Phys. Lett. B149(1984) 351

    work page 1984

  29. [29]

    P. Fox, A. Pierce and S.D. Thomas,Probing a QCD string axion with precision cosmological measurements,hep-th/0409059

    work page internal anchor Pith review Pith/arXiv arXiv

  30. [30]

    The QCD Axion and Moduli Stabilisation

    J.P. Conlon,The QCD axion and moduli stabilisation,JHEP05(2006) 078 [hep-th/0602233]

    work page internal anchor Pith review Pith/arXiv arXiv 2006

  31. [31]

    P.SvrcekandE.Witten,AxionsInStringTheory,JHEP06(2006)051[hep-th/0605206]

    work page internal anchor Pith review Pith/arXiv arXiv 2006

  32. [32]

    The type IIB string axiverse and its low-energy phenomenology

    M. Cicoli, M. Goodsell and A. Ringwald,The type IIB string axiverse and its low-energy phenomenology,JHEP10(2012) 146 [1206.0819]

    work page internal anchor Pith review Pith/arXiv arXiv 2012

  33. [33]

    The Kreuzer-Skarke Axiverse

    M. Demirtas, C. Long, L. McAllister and M. Stillman,The Kreuzer-Skarke Axiverse,JHEP 04(2020) 138 [1808.01282]

    work page internal anchor Pith review Pith/arXiv arXiv 2020

  34. [34]

    Petrossian-Byrne and G

    R. Petrossian-Byrne and G. Villadoro,Open string axiverse,JHEP07(2025) 049 [2503.16387]

    work page arXiv 2025

  35. [35]

    W. Hu, R. Barkana and A. Gruzinov,Cold and fuzzy dark matter,Phys. Rev. Lett.85(2000) 1158 [astro-ph/0003365]

    work page internal anchor Pith review Pith/arXiv arXiv 2000

  36. [36]

    Ultralight scalars as cosmological dark matter

    L. Hui, J.P. Ostriker, S. Tremaine and E. Witten,Ultralight scalars as cosmological dark matter,Phys. Rev. D95(2017) 043541 [1610.08297]

    work page internal anchor Pith review Pith/arXiv arXiv 2017

  37. [37]

    Axion Cosmology

    D.J.E. Marsh,Axion Cosmology,Phys. Rept.643(2016) 1 [1510.07633]

    work page internal anchor Pith review Pith/arXiv arXiv 2016

  38. [38]

    Cosmology with Ultra-light Pseudo-Nambu-Goldstone Bosons

    J.A. Frieman, C.T. Hill, A. Stebbins and I. Waga,Cosmology with ultralight pseudo Nambu-Goldstone bosons,Phys. Rev. Lett.75(1995) 2077 [astro-ph/9505060]

    work page internal anchor Pith review Pith/arXiv arXiv 1995

  39. [39]

    Of pNGB QuiNtessence

    N. Kaloper and L. Sorbo,Of pngb quintessence,JCAP04(2006) 007 [astro-ph/0511543]

    work page internal anchor Pith review Pith/arXiv arXiv 2006

  40. [40]

    Quintessence Axion Potential Induced by Electroweak Instanton Effects

    Y. Nomura, T. Watari and T. Yanagida,Quintessence axion potential induced by electroweak instanton effects,Phys. Lett. B484(2000) 103 [hep-ph/0004182]

    work page internal anchor Pith review Pith/arXiv arXiv 2000

  41. [41]

    Cosmological window onto the string axiverse and the supersymmetry breaking scale

    L. Visinelli and S. Vagnozzi,Cosmological window onto the string axiverse and the supersymmetry breaking scale,Phys. Rev. D99(2019) 063517 [1809.06382]

    work page internal anchor Pith review Pith/arXiv arXiv 2019

  42. [42]

    Freese, J.A

    K. Freese, J.A. Frieman and A.V. Olinto,Natural inflation with pseudo - Nambu-Goldstone bosons,Phys. Rev. Lett.65(1990) 3233

    work page 1990

  43. [43]

    F.C.Adams,J.R.Bond,K.Freese,J.A.FriemanandA.V.Olinto,Naturalinflation: Particle physics models, power law spectra for large scale structure, and constraints from COBE, Phys. Rev. D47(1993) 426 [hep-ph/9207245]

    work page internal anchor Pith review Pith/arXiv arXiv 1993

  44. [44]

    Monodromy in the CMB: Gravity Waves and String Inflation

    E. Silverstein and A. Westphal,Monodromy in the CMB: Gravity Waves and String Inflation,Phys. Rev. D78(2008) 106003 [0803.3085]. 16 Axions as Dark Matter, Dark Energy, and Dark RadiationLuca Visinelli

    work page internal anchor Pith review Pith/arXiv arXiv 2008

  45. [45]

    Gravity Waves and Linear Inflation from Axion Monodromy

    L. McAllister, E. Silverstein and A. Westphal,Gravity Waves and Linear Inflation from Axion Monodromy,Phys. Rev. D82(2010) 046003 [0808.0706]

    work page internal anchor Pith review Pith/arXiv arXiv 2010

  46. [46]

    Visinelli,Natural Warm Inflation,JCAP09(2011) 013 [1107.3523]

    L. Visinelli,Natural Warm Inflation,JCAP09(2011) 013 [1107.3523]

    work page arXiv 2011

  47. [47]

    Freese, E.I

    K. Freese, E.I. Sfakianakis, P. Stengel and L. Visinelli,The Higgs Boson can delay Reheating after Inflation,JCAP05(2018) 067 [1712.03791]

    work page arXiv 2018

  48. [48]

    WISPy Cold Dark Matter

    P. Arias, D. Cadamuro, M. Goodsell, J. Jaeckel, J. Redondo and A. Ringwald,WISPy Cold Dark Matter,JCAP06(2012) 013 [1201.5902]

    work page internal anchor Pith review Pith/arXiv arXiv 2012

  49. [49]

    Thermal axion production in the primordial quark-gluon plasma

    P. Graf and F.D. Steffen,Thermal axion production in the primordial quark-gluon plasma, Phys. Rev. D83(2011) 075011 [1008.4528]

    work page internal anchor Pith review Pith/arXiv arXiv 2011

  50. [50]

    Hot Axions and the $H_0$ tension

    F. D’Eramo, R.Z. Ferreira, A. Notari and J.L. Bernal,Hot Axions and the𝐻0 tension,JCAP 11(2018) 014 [1808.07430]

    work page internal anchor Pith review Pith/arXiv arXiv 2018

  51. [51]

    Caloni, M

    L. Caloni, M. Gerbino, M. Lattanzi and L. Visinelli,Novel cosmological bounds on thermally-produced axion-like particles,JCAP09(2022) 021 [2205.01637]

    work page arXiv 2022

  52. [52]

    Thermal axion production

    A. Salvio, A. Strumia and W. Xue,Thermal axion production,JCAP01(2014) 011 [1310.6982]

    work page internal anchor Pith review Pith/arXiv arXiv 2014

  53. [53]

    Axion Cosmology Revisited

    O. Wantz and E.P.S. Shellard,Axion Cosmology Revisited,Phys. Rev. D82(2010) 123508 [0910.1066]

    work page internal anchor Pith review Pith/arXiv arXiv 2010

  54. [54]

    Axion hot dark matter bounds after Planck

    M. Archidiacono, S. Hannestad, A. Mirizzi, G. Raffelt and Y.Y.Y. Wong,Axion hot dark matter bounds after Planck,JCAP10(2013) 020 [1307.0615]

    work page internal anchor Pith review Pith/arXiv arXiv 2013

  55. [55]

    Cosmological bounds on pseudo Nambu-Goldstone bosons

    D. Cadamuro and J. Redondo,Cosmological bounds on pseudo Nambu-Goldstone bosons, JCAP02(2012) 032 [1110.2895]

    work page internal anchor Pith review Pith/arXiv arXiv 2012

  56. [56]

    Constraining Light Dark Matter with Diffuse X-Ray and Gamma-Ray Observations

    R. Essig, E. Kuflik, S.D. McDermott, T. Volansky and K.M. Zurek,Constraining Light Dark Matter with Diffuse X-Ray and Gamma-Ray Observations,JHEP11(2013) 193 [1309.4091]

    work page internal anchor Pith review Pith/arXiv arXiv 2013

  57. [57]

    Searching for a 0.1-1 keV Cosmic Axion Background

    J.P. Conlon and M.C.D. Marsh,Excess Astrophysical Photons from a 0.1–1 keV Cosmic Axion Background,Phys. Rev. Lett.111(2013) 151301 [1305.3603]

    work page internal anchor Pith review Pith/arXiv arXiv 2013

  58. [58]

    D. Grin, G. Covone, J.-P. Kneib, M. Kamionkowski, A. Blain and E. Jullo,A Telescope Search for Decaying Relic Axions,Phys. Rev. D75(2007) 105018 [astro-ph/0611502]

    work page internal anchor Pith review Pith/arXiv arXiv 2007

  59. [59]

    Slatyer,What does cosmology teach us about non-gravitational properties of dark matter?,Nucl

    T.R. Slatyer,What does cosmology teach us about non-gravitational properties of dark matter?,Nucl. Phys. B1003(2024) 116468

    work page 2024

  60. [60]

    Cheng, Z

    H. Cheng, Z. Yin, E. Di Valentino, D.J.E. Marsh and L. Visinelli,Constraining exotic high-𝑧reionization histories with Gaussian processes and the cosmic microwave background,2506.19096. 17 Axions as Dark Matter, Dark Energy, and Dark RadiationLuca Visinelli

    work page arXiv

  61. [61]

    Z. Yin, H. Cheng, E. Di Valentino, N. Gendler, D.J.E. Marsh and L. Visinelli,Constraining the axiverse with reionization,2507.03535

    work page arXiv

  62. [62]

    New Bounds for Axions and Axion-Like Particles with keV-GeV Masses

    M. Millea, L. Knox and B. Fields,New Bounds for Axions and Axion-Like Particles with keV-GeV Masses,Phys. Rev. D92(2015) 023010 [1501.04097]

    work page internal anchor Pith review Pith/arXiv arXiv 2015

  63. [63]

    Depta, M

    P.F. Depta, M. Hufnagel and K. Schmidt-Hoberg,Robust cosmological constraints on axion-like particles,JCAP05(2020) 009 [2002.08370]

    work page arXiv 2020

  64. [64]

    Depta, M

    P.F. Depta, M. Hufnagel and K. Schmidt-Hoberg,Updated BBN constraints on electromagnetic decays of MeV-scale particles,JCAP04(2021) 011 [2011.06519]

    work page arXiv 2021

  65. [65]

    Balázs et al.,Cosmological constraints on decaying axion-like particles: a global analysis,JCAP12(2022) 027 [2205.13549]

    C. Balázs et al.,Cosmological constraints on decaying axion-like particles: a global analysis,JCAP12(2022) 027 [2205.13549]

    work page arXiv 2022

  66. [66]

    Capozzi, R.Z

    F. Capozzi, R.Z. Ferreira, L. Lopez-Honorez and O. Mena,CMB and Lyman-𝛼constraints on dark matter decays to photons,JCAP06(2023) 060 [2303.07426]

    work page arXiv 2023

  67. [67]

    Probing MeV to 90 GeV axion-like particles with LEP and LHC

    J. Jaeckel and M. Spannowsky,Probing MeV to 90 GeV axion-like particles with LEP and LHC,Phys. Lett. B753(2016) 482 [1509.00476]

    work page internal anchor Pith review Pith/arXiv arXiv 2016

  68. [68]

    Revised constraints and Belle II sensitivity for visible and invisible axion-like particles

    M.J. Dolan, T. Ferber, C. Hearty, F. Kahlhoefer and K. Schmidt-Hoberg,Revised constraints and Belle II sensitivity for visible and invisible axion-like particles,JHEP12 (2017) 094 [1709.00009]

    work page internal anchor Pith review Pith/arXiv arXiv 2017

  69. [69]

    Collider Probes of Axion-Like Particles

    M. Bauer, M. Neubert and A. Thamm,Collider Probes of Axion-Like Particles,JHEP12 (2017) 044 [1708.00443]. [73]NA64collaboration,Search for vector mediator of Dark Matter production in invisible decay mode,Phys. Rev. D97(2018) 072002 [1710.00971]

    work page internal anchor Pith review Pith/arXiv arXiv 2017

  70. [70]

    Bernreuther, F

    E. Bernreuther, F. Kahlhoefer, M. Krämer and P. Tunney,Strongly interacting dark sectors in the early Universe and at the LHC through a simplified portal,JHEP01(2020) 162 [1907.04346]

    work page arXiv 2020

  71. [71]

    Exploring the String Axiverse with Precision Black Hole Physics

    A. Arvanitaki and S. Dubovsky,Exploring the String Axiverse with Precision Black Hole Physics,Phys. Rev. D83(2011) 044026 [1004.3558]

    work page internal anchor Pith review Pith/arXiv arXiv 2011

  72. [72]

    Black Hole Superradiance Signatures of Ultralight Vectors

    M. Baryakhtar, R. Lasenby and M. Teo,Black Hole Superradiance Signatures of Ultralight Vectors,Phys. Rev. D96(2017) 035019 [1704.05081]

    work page internal anchor Pith review Pith/arXiv arXiv 2017

  73. [73]

    D. Blas, J. Martin Camalich and J.A. Oller,Scalar resonance in graviton-graviton scattering at high-energies: The graviball,Phys. Lett. B827(2022) 136991 [2009.07817]

    work page arXiv 2022

  74. [74]

    Modulated Reheating and Large Non-Gaussianity in String Cosmology

    M. Cicoli, G. Tasinato, I. Zavala, C.P. Burgess and F. Quevedo,Modulated Reheating and Large Non-Gaussianity in String Cosmology,JCAP05(2012) 039 [1202.4580]

    work page internal anchor Pith review Pith/arXiv arXiv 2012

  75. [75]

    An M Theory Solution to the Strong CP Problem and Constraints on the Axiverse

    B.S. Acharya, K. Bobkov and P. Kumar,An M Theory Solution to the Strong CP Problem and Constraints on the Axiverse,JHEP11(2010) 105 [1004.5138]. 18 Axions as Dark Matter, Dark Energy, and Dark RadiationLuca Visinelli

    work page internal anchor Pith review Pith/arXiv arXiv 2010

  76. [76]

    Sikivie,Experimental Tests of the Invisible Axion,Phys

    P. Sikivie,Experimental Tests of the Invisible Axion,Phys. Rev. Lett.51(1983) 1415

    work page 1983

  77. [77]

    Sikivie,Detection Rates for ’Invisible’ Axion Searches,Phys

    P. Sikivie,Detection Rates for ’Invisible’ Axion Searches,Phys. Rev. D32(1985) 2988

    work page 1985

  78. [78]

    Experimental Searches for the Axion and Axion-like Particles

    P.W. Graham, I.G. Irastorza, S.K. Lamoreaux, A. Lindner and K.A. van Bibber, Experimental Searches for the Axion and Axion-Like Particles,Ann. Rev. Nucl. Part. Sci.65 (2015) 485 [1602.00039]

    work page internal anchor Pith review Pith/arXiv arXiv 2015

  79. [79]

    New experimental approaches in the search for axion-like particles

    I.G. Irastorza and J. Redondo,New experimental approaches in the search for axion-like particles,Prog. Part. Nucl. Phys.102(2018) 89 [1801.08127]

    work page internal anchor Pith review Pith/arXiv arXiv 2018

  80. [80]

    Axion Cosmology

    P. Sikivie,Axion Cosmology,Lect. Notes Phys.741(2008) 19 [astro-ph/0610440]

    work page internal anchor Pith review Pith/arXiv arXiv 2008

Showing first 80 references.