Pith. sign in

REVIEW 6 cited by

Breakdown of chiral perturbation theory for the axion hot dark matter bound

Not yet reviewed by Pith; the record is open.

Re-run · record.json Download PDF Read on arXiv ↗

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 2101.10330 v2 pith:3IEI5WEG submitted 2021-01-25 hep-ph astro-ph.COhep-lat

Luca Di Luzio , Guido Martinelli , Gioacchino Piazza This is my paper · ORCID
classification hep-phastro-ph.COhep-lat
keywords axionboundchiraltheorydarkmatterperturbationadopted
verification ladder T0 review T1 audit T2 compute T3 formal
0 comments
abstract

We show that the commonly adopted hot dark matter (HDM) bound on the axion mass $m_a \lesssim$ 1 eV is not reliable, since it is obtained by extrapolating the chiral expansion in a region where the effective field theory breaks down. This is explicitly shown via the calculation of the axion-pion thermalization rate at the next-to-leading order in chiral perturbation theory. We finally advocate a strategy for a sound extraction of the axion HDM bound via lattice QCD techniques.

Discussion (0). Continue with ORCID to comment.

Forward citations

Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Spin-Dependent Scattering of Sub-GeV Dark Matter: Models and Constraints

    hep-ph 2025-06 conditional novelty 8.0 of 10

    A new calculation of spin-dependent sub-GeV dark matter phonon scattering shows only the light scalar mediator model retains testable parameter space, conditional on the supernova trapping window.

  2. Prominent enhancement of axion thermalization rate from axion-kaon interactions

    hep-ph 2025-05 conditional novelty 7.0 of 10

    Axion-kaon scattering, previously omitted from axion thermalization calculations, exceeds the axion-pion channel near T=130 MeV and tightens the Planck Delta N_eff bound on f_a by about 30%.

  3. Beyond thermal approximations: Precise cosmological bounds on Axion-Like Particles

    astro-ph.CO 2026-02 conditional novelty 6.0 of 10

    Solving the momentum-dependent Boltzmann equation and propagating the exact non-thermal ALP spectrum into CMB analyses yields 95% limits f_a>1.63e6 GeV (e), 9.41e6 GeV (mu), 8.06e4 GeV (tau), and g_a_gamma<1.98e-8 GeV^-1.

  4. Unified study of two-meson and axion-meson production from semileptonic tau decays within resonance chiral framework

    hep-ph 2025-07 conditional novelty 6.0 of 10

    Within a resonance chiral model, hadron resonances boost predicted tau decays into pion/K plus axion by factors of 7.5 and 19.2, with branching ratios and forward-backward asymmetries also predicted.

  5. Probing axion in the DFSZ model

    hep-ph 2026-07 conditional novelty 4.0 of 10

    With right-handed neutrinos, DFSZ PQ charges depend only on PQ_φ; for m_A≈130 GeV, m_H±≈155 GeV and v_u∼few GeV the trilinear modifier κ_λ lies inside current experimental limits.

  6. Axions at the meV Crossroads: Theory, Cosmology, Astrophysics, and Experiments

    hep-ph 2026-03 conditional novelty 2.0 of 10

    The meV axion window is presented as a coherent, cross-validated search program in which string theory, stellar cooling, dark matter, and new detector concepts converge on the same mass range.

Pith tools