{"total":13,"items":[{"citing_arxiv_id":"2607.01317","ref_index":25,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"No Evidence for Superradiant Axions in LIGO-Virgo-KAGRA GWTC-5 Binary Black Hole Spins","primary_cat":"hep-ph","submitted_at":"2026-07-01T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Hierarchical Bayesian analysis of GWTC-5 binary black hole spins finds no evidence for superradiant axions and excludes masses 1.7e-14 to 3.3e-12 eV at 95% CL.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.31910","ref_index":27,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Electrons on Helium and Entangled Quantum Sensors for Particle Physics","primary_cat":"quant-ph","submitted_at":"2026-06-30T16:13:30+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Proposes entangled electron qubits on helium in a double-well trap as a quantum sensor concept for enhanced sensitivity in particle physics.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.20826","ref_index":64,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Counting axions with IAXO","primary_cat":"hep-ph","submitted_at":"2026-06-18T18:10:12+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Projections for IAXO in two-axion parameter space plus spectral analysis of flavor oscillations show where the experiment can discriminate multi-axion signals from single-axion ones, extending to N-axion cases.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.13595","ref_index":22,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Probing Axion Dark Matter via the Chiral Magnetic Effect in Zero-Bias Weyl Semimetals","primary_cat":"hep-ph","submitted_at":"2026-06-11T17:13:12+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Proposal to detect axion dark matter via chiral magnetic effect in Weyl semimetals, claiming observable femto-amp signals in 1 cm² samples at 10 T that can probe couplings below stellar cooling bounds.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.09982","ref_index":186,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Testing F-theory GUTs with the Axiverse","primary_cat":"hep-th","submitted_at":"2026-06-08T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"In F-theory GUTs, non-universal ALPs induced by hypercharge flux satisfy g_aγ/m_a well below the QCD axion prediction when gauge couplings unify near the string scale.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"GUT e−SD3 cos(b),(4.29) withS D3 = 2π/αw orS D3 = 2π/αY , depending on which action is smaller. These effects come from a fluxed D3-brane instanton. Specifically, for the GUT breaking flux background (2.2), an instanton along the GUT divisorDwith instanton fluxF S + 1 2 FY behaves like anSU(2) w gauge instanton and consequently contributes to the superpotential (see [186] for an account of gauge instantons as D-brane instantons).19 In Figure 3 we represent the action of this irreducible ALP potential (4.29) by a vertical dashed black line. One can see that in this extreme case withA ≪10 −66, for a gravitino mass above the TeV scale,m 3/2 ≳O(1) TeV, the ALP coupling-to-mass ratio isg aγ/ma ≲10 3 GeV−2, that is at most 3-4"},{"citing_arxiv_id":"2602.18392","ref_index":18,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"RadioAxion results on the search for axion dark matter under Gran Sasso","primary_cat":"hep-ex","submitted_at":"2026-02-20T17:57:15+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"The RadioAxion experiment at Gran Sasso found no evidence for axion dark matter induced periodic modulations in 241Am decays and derived constraints on the axion decay constant for masses from 10^{-21} to 10^{-9} eV.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.13816","ref_index":69,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Stellar Superradiance and Low-Energy Absorption in Dense Nuclear Media","primary_cat":"hep-ph","submitted_at":"2025-12-15T19:02:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Collective nucleon scattering in neutron-star matter suppresses the effective absorption of ultralight bosons at the long wavelengths relevant for superradiance, weakening the link between stellar cooling bounds and superradiant instability rates.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Hoffmann,Paraphotons and Axions: Similarities in Stellar Emission and Detection,Phys. Lett. B193(1987) 117-122. [67] B. A. Dobrescu,Massless gauge bosons other than the photon,Phys. Rev. Lett.94(2005) 151802, [hep-ph/0411004]. [68] P. W. Graham and S. Rajendran,New Observables for Direct Detection of Axion Dark Matter,Phys. Rev. D88(2013) 035023, [1306.6088]. - 21 - [69] D. Budker, P. W. Graham, M. Ledbetter, S. Rajendran and A. Sushkov,Proposal for a Cosmic Axion Spin Precession Experiment (CASPEr),Phys. Rev. X4(2014) 021030, [1306.6089]. [70] P. W. Graham, D. E. Kaplan, J. Mardon, S. Rajendran, W. A. Terrano, L. Trahms et al., Spin Precession Experiments for Light Axionic Dark Matter,Phys. Rev. D97(2018) 055006,"},{"citing_arxiv_id":"2509.17059","ref_index":184,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Axions as Dark Matter, Dark Energy, and Dark Radiation","primary_cat":"hep-ph","submitted_at":"2025-09-21T12:36:53+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"A mini-review of axion phenomenology showing how light bosons can account for dark matter, drive cosmic acceleration, or contribute to relativistic backgrounds in the early and late Universe.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"low-noise quantum amplifiers that approach the standard quantum limit. By scanning over cavity resonances,ADMXissystematicallyprobingtheclassicKSVZandDFSZbenchmarkmodels,and its successive upgrades are steadily extending the explored parameter space. The QUest for AXion (QUAX)programwithintheIstitutoNazionalediFisicaNucleare(INFN)pursuestwoSikivie-type haloscopes, with experiments operating at Legnaro [184] and at LNF [185]. The Legnaro search, centered near42𝜇eV, excludes axion-photon couplings above10−14 GeV−1 [184], while the LNF search in the(36.52413-36.5511)𝜇eV window sets a limit of𝑔𝑎𝛾 <0.882×10 −13 GeV−1 at 90% confidence level [185]. Other cavity-based searches, targeting diverse frequency windows, are coming online in the nearfuture. FLASH(theFINUDAmagnetforLightAxionSearcH)isconceivedasalargeresonant-"},{"citing_arxiv_id":"2509.14323","ref_index":138,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"High-Quality Axion Dark Matter at Gravitational Wave Interferometers","primary_cat":"hep-ph","submitted_at":"2025-09-17T18:00:11+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"In gauged U(1) completions enabling high-quality axion dark matter, cosmic string loops generate a stochastic gravitational wave background with an infrared break frequency that exceeds foregrounds above 10^14 GeV breaking scales and offers a probe at interferometers.","context_count":1,"top_context_role":"baseline","top_context_polarity":"baseline","context_text":"04614. [136]EPTA, InPTA:collaboration,The second data release from the European Pulsar Timing Array - III. Search for gravitational wave signals,Astron. Astrophys.678(2023) A50 [2306.16214]. [137] D.J. Reardon et al.,Search for an Isotropic Gravitational-wave Background with the Parkes Pulsar Timing Array,Astrophys. J. Lett.951(2023) L6 [2306.16215]. [138] H. Xu et al.,Searching for the Nano-Hertz Stochastic Gravitational Wave Background with the Chinese Pulsar Timing Array Data Release I,Res. Astron. Astrophys.23(2023) 075024 [2306.16216]. [139]NANOGra vcollaboration,The NANOGrav 15 yr Data Set: Search for Signals from New Physics, Astrophys. J. Lett.951(2023) L11 [2306.16219]. [140]LIGO Scientific, Virgo, KAGRAcollaboration,"},{"citing_arxiv_id":"2508.20520","ref_index":6,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Superradiant Interactions for Relic Detection with Entangled Nuclear Spins","primary_cat":"hep-ph","submitted_at":"2025-08-28T08:01:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A squeezing protocol is proposed for nuclear spin ensembles coupled to superconducting circuits to achieve up to 48 dB squeezing and enhance superradiant interactions for relic detection.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2412.20932","ref_index":21,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Weak nuclear decays deep-underground as a probe of axion dark matter","primary_cat":"hep-ph","submitted_at":"2024-12-30T13:22:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A framework is developed to predict axion-induced time modulations in weak nuclear decays, used to derive constraints on the axion decay constant from reanalyzed Gran Sasso data on 40K and 137Cs and to propose future sensitivity to higher masses.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2411.10516","ref_index":13,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Detecting the QCD axion via the ferroaxionic force with piezoelectric materials","primary_cat":"hep-ph","submitted_at":"2024-11-15T19:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Piezoelectric materials combined with nuclear spin alignment can source virtual QCD axions with up to 7 orders of magnitude enhanced scalar coupling, allowing resonant detection of the axion via spin precession in the 10^{-5} to 10^{-2} eV range.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1907.04324","ref_index":286,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Dark Matter Energy Deposition and Production from the Table-Top to the Cosmos","primary_cat":"hep-ph","submitted_at":"2019-07-09T15:47:40+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"The thesis presents a new 3-to-2 freezeout mechanism, bound-state effects on searches, a new axion interferometric search, reionization assessments, 21-cm constraints, and the DarkHistory code for ionization and thermal histories.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}