{"total":17,"items":[{"citing_arxiv_id":"2606.10776","ref_index":2,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Gravitational superfluorescence from superradiant axion clouds","primary_cat":"gr-qc","submitted_at":"2026-06-09T12:31:27+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Superradiant axion clouds around black holes can undergo gravitational superfluorescence via a seeded coherent quadrupolar transition, leading to a detectable delayed gravitational-wave pulse.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.30419","ref_index":2,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"New quantum information perspectives in the axion--photon and neutrino systems","primary_cat":"hep-ph","submitted_at":"2026-05-28T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Axion-photon oscillations generate bipartite mode entanglement with maximal values at resonance, and quantum speed limits are derived for both axion-photon and neutrino systems.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.05720","ref_index":130,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Localized efficient in-vacuum loading of $\\sim$0.1-10 $\\mu$m spherical and plate-like particles into optical traps using a pulled glass capillary","primary_cat":"physics.optics","submitted_at":"2026-05-07T06:09:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A piezoelectric-driven glass capillary launcher enables localized, high-efficiency (up to 93%) in-vacuum loading of silica spheres, nanodiamonds, and plate-like particles into single-beam, dual-beam, and standing-wave optical traps.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.04142","ref_index":300,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Heterotic String Theory Suggests a QCD Axion Near 0.5 neV","primary_cat":"hep-th","submitted_at":"2026-05-05T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Heterotic string theory implies the QCD axion mass is bounded below by 0.5 neV and typically falls in [0.5, 0.8] neV across most compactifications.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.03171","ref_index":32,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Nb$_3$Sn Thin Films Using a Cu-Sn Route for Dark Matter Detection","primary_cat":"cond-mat.supr-con","submitted_at":"2026-05-04T21:29:31+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Nb3Sn films on Cu via Cu-Sn diffusion achieve Q=77,000 at zero field in a test cavity, outperforming bare Cu for potential axion searches.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"However, a fluorescent screen can only detect where a particle has ended up and provides no information about the particle's momentum. Shortly after, in the early 1900s, the cloud chamber was invented. This enabled the visualization of particle tracks and momentum estimation, leading to the discovery of new particles such as the positron (Fig. 2.3), muon, and kaon [31, 32, 33, 34]. The scientific community has continued to innovate particle detectors, using knowledge from the semiconductor industry to create modern-day scintillators [35]. These near-perfect doped-silicon crystals demonstrate significant improvement in sensitivity and detection time. New superconducting thin film technology such as transition edge sensors (TES) [36] and"},{"citing_arxiv_id":"2605.00115","ref_index":2,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Crossing into the $m_a > f_a$ Region for Leptophilic ALPs","primary_cat":"hep-ph","submitted_at":"2026-04-30T18:10:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Leptophilic ALPs with m_a > f_a can explain the electron anomalous magnetic moment tension over a large parameter space and are testable via μ→e conversion.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"11) we demonstrate that these quantities enter the Wilson coefficients in pairs and are additionally suppressed byv 2/(m2 af 2 a). Therefore, all operators involving quarks will be suppressed at least by a factor 10 −6v2/(m2 af 2 a). References [1] R. D. Peccei and H. R. Quinn.CP Conservation in the Presence of Instantons. Phys. Rev. Lett.38 (1977), pp. 1440-1443.doi:10.1103/PhysRevLett.38.1440. [2] S. Weinberg.A New Light Boson?Phys. Rev. Lett.40 (1978), pp. 223-226.doi: 10.1103/PhysRevLett.40.223. [3] F. Wilczek.Problem of StrongPandTInvariance in the Presence of Instantons. Phys. Rev. Lett.40 (1978), pp. 279-282.doi:10.1103/PhysRevLett.40.279. [4] A. R. Zhitnitsky.On Possible Suppression of the Axion Hadron Interactions. (In Russian).Sov. J."},{"citing_arxiv_id":"2604.28035","ref_index":50,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Topological Susceptibility and QCD at Finite Theta Angle","primary_cat":"hep-lat","submitted_at":"2026-04-30T15:47:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":1.0,"formal_verification":"none","one_line_summary":"A pedagogical review summarizing analytic predictions and recent lattice results for theta-dependence and topological susceptibility in QCD.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"doi:10.1103/ PhysRevLett.38.1440. [48] R. D. Peccei, H. R. Quinn, Constraints Imposed by CP Conservation in the Presence of Instantons, Phys. Rev. D 16 (1977) 1791-1797. doi:10.1103/PhysRevD.16.1791. [49] F . Wilczek, Problem of Strong P and T Invariance in the Presence of Instantons, Phys. Rev. Lett. 40 (1978) 279-282.doi:10.1103/ PhysRevLett.40.279. [50] S. Weinberg, A New Light Boson?, Phys. Rev. Lett. 40 (1978) 223-226.doi:10.1103/PhysRevLett.40.223. [51] J. Preskill, M. B. Wise, F . Wilczek, Cosmology of the Invisible Axion, Phys. Lett. B 120 (1983) 127-132.doi:10.1016/0370-2693(83) 90637-8. [52] L. F . Abbott, P . Sikivie, A Cosmological Bound on the Invisible Axion, Phys. Lett. B 120 (1983) 133-136."},{"citing_arxiv_id":"2604.27954","ref_index":3,"ref_count":2,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Axion dark matter from extended misalignment with a constant-$\\omega_\\phi$ pre-oscillatory phase and dark radiation","primary_cat":"astro-ph.CO","submitted_at":"2026-04-30T14:51:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Extended misalignment for axion-like particles with constant-ω_ϕ pre-oscillation and dark radiation coupling yields data-driven constraints favoring negative ω_ϕ and f_ϕ in [80, 1.5×10^10] TeV but does not ease cosmological tensions.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"de F' ısica Corpuscular (IFIC), Valencia, Spain. References [1] R. D. Peccei and Helen R. Quinn. \"CP Conservation in the Presence of Instantons\". In:Phys. Rev. Lett.38 (1977), pp. 1440-1443.doi:10.1103/PhysRevLett.38.1440. [2] Frank Wilczek. \"Problem of StrongPandTInvariance in the Presence of Instantons\". In:Phys. Rev. Lett.40 (1978), pp. 279-282.doi:10.1103/PhysRevLett.40.279. [3] Steven Weinberg. \"A New Light Boson?\" In:Phys. Rev. Lett.40 (1978), pp. 223-226. doi:10.1103/PhysRevLett.40.223. [4] Michael Dine, Willy Fischler, and Mark Srednicki. \"A Simple Solution to the Strong CP Problem with a Harmless Axion\". In:Phys. Lett. B104 (1981), pp. 199-202.doi: 10.1016/0370-2693(81)90590-6. 45 [5] Ciaran O'Hare.Axion Limits. 2024."},{"citing_arxiv_id":"2604.26982","ref_index":50,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"$\\mathcal{H}$olographic $\\mathcal{N}$aturalness and Information See-Saw Mechanism for Neutrinos","primary_cat":"hep-ph","submitted_at":"2026-04-28T18:15:50+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"De Sitter entropy is carried by hairons from S^4/Z_N instantons, yielding a 1/N information see-saw for neutrino masses with N ~ 10^120.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"1016/0550-3213(89)90349-0. [48] Hansen, F.C.; Leutwyler, H. Charge correlations and topological susceptibility in QCD.Nucl. Phys. B1991,350, 201-227. https://doi.org/10.1016/0550-3213(91)90259-Z. [49] Peccei, R.D.; Quinn, H.R. CP Conservation in the Presence of Instantons.Phys. Rev. Lett.1977,38, 1440-1443. https: //doi.org/10.1103/PhysRevLett.38.1440. [50] Weinberg, S. A New Light Boson?Phys. Rev. Lett.1978,40, 223-226.https://doi.org/10.1103/PhysRevLett.40.223. [51] Wilczek, F. Problem of StrongPandTInvariance in the Presence of Instantons.Phys. Rev. Lett.1978,40, 279-282. https://doi.org/10.1103/PhysRevLett.40.279. [52] Dine, M.; Fischler, W.; Srednicki, M. A Simple Solution to the Strong CP Problem with a Harmless Axion."},{"citing_arxiv_id":"2604.25673","ref_index":3,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Axion-like particle-meson production in semileptonic $\\tau$ decays","primary_cat":"hep-ph","submitted_at":"2026-04-28T14:05:14+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Chiral EFT with meson-ALP mixing yields predictions for branching ratios, invariant-mass distributions, and forward-backward asymmetries in semileptonic tau decays to axion-like particles and mesons.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"In this context, theτ decay channels with two light pseudoscalars in the final states deserve renewed theo- retical attention.11-15 In particular, the axion/ALP-meson channels have been much less systematically explored, which motivates the present analysis. For simplicity, we will collectively designate ALP and axion as ALP in later discussions. Within theU(3) chiral theory, the complete NLOπ 0-η-η ′-amixing matrix by including the linear isospin-breaking effect is determined in Refs. 16,17 To de- scribe the hadronic dynamics in theτ-decay region, we combine this mixing ma- trix and construct the vector/scalar form factors for semileptonicτdecays into two-meson and ALP-meson final states within resonance chiral theory (RχT), 18"},{"citing_arxiv_id":"2604.11676","ref_index":4,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Implementation and commissioning of an experimental system towards sub-eV axion-like particle searches with 0.1 PW laser at ELI-NP","primary_cat":"hep-ex","submitted_at":"2026-04-13T16:21:51+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"An integrated experimental system for sub-eV ALP searches using four-wave mixing has been commissioned and validated at ELI-NP with 20 mJ laser pulses at 1.3e-7 mbar vacuum.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"lar, cold dark matter (CDM) is favored among the many proposed candidates because its non-relativistic nature explains both the observed dark-matter abundance and the formation of large-scale structures in the universe [1]. Among the CDM candidates, axion is considered to play an important role in resolving the strong CP problem [ 2, 3] via Peccei-Quinn symmetry breaking [ 4]. Axion and, more generically, some of axion-like particles (ALPs) are regarded as pseudo-Nambu-Goldstone bosons which appear with small masses. Depending on cosmo- logical conditions, axion and ALPs can occupy a viable mass range extending from the µeV scale up to the sub- eV region. This motivates direct laboratory searches for axion and ALPs in the meV-to-sub-eV mass range."},{"citing_arxiv_id":"2604.06843","ref_index":35,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Fast and accurate noise removal by curve fitting using orthogonal polynomials","primary_cat":"physics.data-an","submitted_at":"2026-04-08T09:04:12+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Reformulating local polynomial fitting with orthogonal Chebyshev polynomials yields two algorithms that cut memory use, improve scalability, and deliver orders-of-magnitude better numerical accuracy than Vandermonde-based methods for Savitzky-Golay filters.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"281-284. [33] R. D. Peccei and Helen R. Quinn. \"CP Conservation in the Presence of Instantons\". In: Phys. Rev. Lett.38 (1977), pp. 1440-1443.doi:10.1103/PhysRevLett.38.1440. [34] R. D. Peccei and Helen R. Quinn. \"Constraints Imposed by CP Conservation in the Pres- ence of Instantons\". In:Phys. Rev. D16 (1977), pp. 1791-1797.doi:10.1103/PhysRevD. 16.1791. [35] Steven Weinberg. \"A New Light Boson?\" In:Phys. Rev. Lett.40 (1978), pp. 223-226.doi: 10.1103/PhysRevLett.40.223. [36] Frank Wilczek. \"Problem of Strong P and T Invariance in the Presence of Instantons\". In: Phys. Rev. Lett.40 (1978), pp. 279-282.doi:10.1103/PhysRevLett.40.279. [37] Jihn E. Kim. \"Weak Interaction Singlet and Strong CP Invariance\". In:Phys."},{"citing_arxiv_id":"2512.07268","ref_index":2,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Black Holes as Catalysts for Cosmic String Detection and Axion Dark Matter Genesis","primary_cat":"hep-ph","submitted_at":"2025-12-08T08:08:34+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"A central black hole accelerates cosmic axion string loop decay, substantially shortening lifetimes and producing large axion and gravitational wave radiation for primordial black holes as small as 10^{-16} solar masses.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.19563","ref_index":4,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2025-11-24T15:36:17+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"No excess observed; first LHC search sets 95% CL upper limits on H to AA to 4e branching fraction down to 10^{-5} for 10-100 MeV masses and short lifetimes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2003.01100","ref_index":16,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"The landscape of QCD axion models","primary_cat":"hep-ph","submitted_at":"2020-03-02T18:51:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"Review classifies QCD axion models extending the standard mass-coupling window and updates bounds from cosmology, astrophysics, and experiments.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"naturally a cosmological baryon asymmetry of the correct size [10]. The serious drawbacks of these two theories are that supersymmetry has not been found at the LHC, while the experimental verification of type-I seesaw leptogenesis remains well outside the reach of all current experiments [11-15]. A third example of a 'two birds with one stone' theory is provided by the axion [16, 17]. In an effective field theory (EFT) description, the SM is extended by introducing a single new massless pseudo-scalar particle a, the axion, for which only one coupling is mandatory, namely an effective coupling to the CP violating topological gluon density(a/fa + θ)G ˜G, where fa is the scale suppressing the effective operator, G = Gµν is the gluon field strength tensor,˜Gµν its dual, and we have added to the axion-gluon operator"},{"citing_arxiv_id":"1907.03619","ref_index":18,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Gravity, Superselection Rules and Axions","primary_cat":"hep-th","submitted_at":"2019-07-08T13:59:18+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Quantum gravity forces the QCD theta parameter to emerge as the vev of a local axion field through coherent-state representations of geometry and a quantum-information interpretation of topological-charge superselection.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1906.09011","ref_index":2,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"ALPSII Status Report","primary_cat":"physics.ins-det","submitted_at":"2019-06-21T08:53:49+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"Status report on ALPS II experiment detailing recent progress in optical cavities, single-photon detection, magnets, and site infrastructure for axion-like particle searches.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}