{"total":15,"items":[{"citing_arxiv_id":"2606.10013","ref_index":18,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Limits on primordial black holes from the extragalactic gamma-ray background; current status and future projections","primary_cat":"astro-ph.HE","submitted_at":"2026-06-08T18:02:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Sets upper limits on primordial black hole dark matter fraction using extragalactic gamma-ray background, claiming these are the tightest indirect constraints for the mass range.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.07749","ref_index":187,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Flavor phenomenology of light dark particles","primary_cat":"hep-ph","submitted_at":"2026-06-05T18:00:38+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"Review surveying limits and prospects for flavor-violating decays of light axion-like particles, highlighting complementarity of lab, astro, and cosmo probes up to 10^12 GeV scales.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.06587","ref_index":51,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"A New Origin of the Big Bang from Dark-Sector-Induced Vacuum Decay and Its Gravitational-Wave Signal","primary_cat":"hep-ph","submitted_at":"2026-06-04T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"A model in which inflaton energy goes exclusively to a dark sector, delaying SM thermalization until a false-vacuum decay produces a GW background with present-day Omega_GW up to 3e-8.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.03396","ref_index":45,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Shedding Stray Light on Decaying Light Dark Matter: Constraints from NuSTAR X-ray Observations","primary_cat":"hep-ph","submitted_at":"2026-06-02T09:39:19+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"NuSTAR stray-light data yields the strongest indirect bounds on decaying electrophilic scalar, ALP, and dark photon DM in the 6-70 keV range, plus inelastic DM with mass splittings 3-100 keV.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.02706","ref_index":81,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Majoron Dark Matter, High-Scale Seesaw, and Leptogenesis","primary_cat":"hep-ph","submitted_at":"2026-06-01T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Majoron dark matter is viable for sub-MeV masses in high-scale seesaw models with thermal leptogenesis, produced via misalignment and cosmic strings in pre- and post-inflationary scenarios and constrained by CMB, X-ray, and gravitational wave observations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.26204","ref_index":76,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Electromagnetic Signatures From Primordial Black Holes in the Solar System","primary_cat":"hep-ph","submitted_at":"2026-05-25T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Calculations indicate AMEGO-X could detect PBH transits within 0.1 AU while HAWC and LHAASO could observe explosions out to 0.1-0.5 pc, with future events at ~1000 AU potentially producing measurable electromagnetic signals unlike the 2023 KM3NeT neutrino candidate.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.20162","ref_index":44,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Dark Matter Interpretation of the Super-Kamiokande Antineutrino Excess and Predictions for JUNO","primary_cat":"hep-ph","submitted_at":"2026-05-19T17:49:34+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Interprets Super-Kamiokande antineutrino excess as s-wave annihilating dark matter with mass in the tens of MeV, predicting signals for JUNO.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.15197","ref_index":186,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Primordial Black Hole from Tensor-induced Density Fluctuation: First-order Phase Transitions and Domain Walls","primary_cat":"astro-ph.CO","submitted_at":"2026-05-14T17:59:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Tensor perturbations from first-order phase transitions and domain wall annihilation induce curvature fluctuations at second order that form primordial black holes, allowing asteroid-mass PBHs to comprise all dark matter for specific parameter ranges with associated gravitational wave peaks in LISA,","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"as will be show, in Figs. 5 and 9 onf PBH, with detailed constraints as discussed in [176-179]. The evaporation of PBHs via Hawking radiation leads to stringent constraints from sources such as CMB [180], EDGES [181], INTE- GRAL [182, 183], and Voyager [184]. Constraints from 511 keV gamma rays [185], and the extragalactic gamma-ray background (EGRB) [186] are also taken into account. On the other hand, microlensing observations, including those from HSC (Hyper-Supreme Cam) [187], EROS [188], OGLE [189], and Icarus [190], have been considered. Various constraints arise due to modifications of the CMB spectrum from PBH accretion, as shown in Ref. [191] and [192]. The mass range aroundM ⊙ is constrained by LIGO-VIRGO-KAGRA (LVK) observations of PBH-PBH merger"},{"citing_arxiv_id":"2605.08080","ref_index":91,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"CMB Limits on the Absorption of Light Vector and Axial-Vector Dark Matter","primary_cat":"astro-ph.CO","submitted_at":"2026-05-08T17:59:28+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Planck CMB data set upper limits on vector and axial-vector dark matter-electron couplings for masses 100 eV to 100 keV via energy injection from inelastic scattering and hydrogen absorption.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"ful discussions and to Masahiro Ibe, Wakutaka Nakano, and Yutaro Shoji for providing extensive support with the cFAC code. We acknowledge the use of CLASS [50], GetDist [69], IPython [82], MontePython [66, 67], the Flexible Atomic Code (FAC, cFAC) code [ 83-85], the Mathematica package FeynCalc [86-89], and the Python packages Matplotlib [90], NumPy [91], and SciPy [92]. We also acknowledge the use of the AxionLimits Github repository [ 93, 94], which was an invaluable resource in verifying existing vector dark matter constraints and ex- tracting most of the bounds from the current literature shown in Fig. 6. We acknowledge the Texas Advanced Computing Cen- ter (TACC) at The University of Texas at Austin for pro-"},{"citing_arxiv_id":"2604.26005","ref_index":22,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Asteroid-mass Primordial Black Holes as Dark Matter from Supersymmetry","primary_cat":"hep-ph","submitted_at":"2026-04-28T18:00:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Supersymmetry with heavy particles above ~10^5 GeV enhances asteroid-mass PBH production via transient equation-of-state softening, allowing them to comprise all dark matter unlike in the Standard Model.","context_count":1,"top_context_role":"baseline","top_context_polarity":"baseline","context_text":"Laha, and A. Ray, Neutrino and positron constraints on spinning primordial black hole dark matter, Phys. Rev. Lett.125, 101101 (2020), arXiv:1912.01014 [hep-ph]. [21] R. Laha, J. B. Mu˜ noz, and T. R. Slatyer, INTE- GRAL constraints on primordial black holes and par- 9 ticle dark matter, Phys. Rev. D101, 123514 (2020), arXiv:2004.00627 [astro-ph.CO]. [22] A. Coogan, L. Morrison, and S. Profumo, Direct Detec- tion of Hawking Radiation from Asteroid-Mass Primor- dial Black Holes, Phys. Rev. Lett.126, 171101 (2021), arXiv:2010.04797 [astro-ph.CO]. [23] H. Kim, A constraint on light primordial black holes from the interstellar medium temperature, Mon. Not. Roy. Astron. Soc.504, 5475 (2021), arXiv:2007."},{"citing_arxiv_id":"2604.06858","ref_index":57,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Memory-Burden Suppression of Hawking Radiation and Neutrino Constraints on Primordial Black Holes","primary_cat":"hep-ph","submitted_at":"2026-04-08T09:20:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Memory-burden backreaction deforms the Hawking spectrum to suppress its high-energy tail, lowering total luminosity and neutrino flux by a factor set by a single suppression parameter and thereby relaxing IceCube bounds on primordial black hole dark matter.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"D41, 3052 (1990). [53] J. H. MacGibbon, Phys. Rev. D44, 376 (1991). [54] B. J. Carr, K. Kohri, Y. Sendouda, and J. Yokoyama, Phys. Rev. D81, 104019 (2010), 0912.5297. [55] B. J. Carr, K. Kohri, Y. Sendouda, and J. Yokoyama, Phys. Rev. D94, 044029 (2016), 1604.05349. [56] R. Laha, J. B. Mu˜ noz, and T. R. Slatyer, Phys. Rev. D101, 123514 (2020), 2004.00627. [57] J. Iguaz, J. Iguaz, P. D. Serpico, P. D. Serpico, T. Siegert, and T. Siegert, Phys. Rev. D103, 103025 (2021), [Erratum: Phys.Rev.D 107, 069902 (2023)], 2104.03145. [58] A. Coogan, L. Morrison, and S. Profumo, Phys. Rev. Lett.126, 171101 (2021), 2010.04797. [59] S. K. Acharya and R. Khatri, JCAP06, 018 (2020), 2002.00898. [60] P. St¨ ocker, M. Kr¨ amer, J."},{"citing_arxiv_id":"2602.04858","ref_index":31,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Primordial black holes as cosmic accelerators of light dark matter: Novel direct detection constraints","primary_cat":"hep-ph","submitted_at":"2026-02-04T18:43:59+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"holes as dark matter candidates - Multi-frequency constraints from cosmic radiation backgrounds,Astron. Astrophys.699(2025) A49, [2505.10706]. [28] S. W. Hawking,Black hole explosions,Nature248(1974) 30-31. [29] S. W. Hawking,Particle Creation by Black Holes,Commun. Math. Phys.43(1975) 199-220. - 29 - [30] A. Arbey and J. Auffinger,Physics Beyond the Standard Model with BlackHawk v2.0,Eur. Phys. J. C81(2021) 910, [2108.02737]. [31] R. Laha,Primordial Black Holes as a Dark Matter Candidate Are Severely Constrained by the Galactic Center 511 keVγ-Ray Line,Phys. Rev. Lett.123(2019) 251101, [1906.09994]. [32] R. Laha, J. B. Mu˜ noz and T. R. Slatyer,INTEGRAL constraints on primordial black holes and particle dark matter,Phys. Rev. D101(2020) 123514, [2004.00627]. [33] A. K. Saha and R."},{"citing_arxiv_id":"2601.19386","ref_index":48,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Constraints on Primordial Black Holes from Galactic Diffuse Synchrotron Emissions","primary_cat":"hep-ph","submitted_at":"2026-01-27T09:17:54+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Galactic synchrotron emissions above 20 MHz can set tighter upper limits on the abundance of primordial black holes with masses above 10^16 grams than previous cosmic-ray electron data.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"1, (2022) 015022,arXiv:2107.00013 [hep-ph]. [46] J. H. MacGibbon, \"Quark and gluon jet emission from primordial black holes. 2. The Lifetime emission,\"Phys. Rev. D44(1991) 376-392. [47] B. J. Carr, K. Kohri, Y. Sendouda, and J. Yokoyama, \"New cosmological constraints on primordial black holes,\"Phys. Rev. D81(2010) 104019,arXiv:0912.5297 [astro-ph.CO]. [48] B. J. Carr, K. Kohri, Y. Sendouda, and J. Yokoyama, \"Constraints on primordial black holes from the Galactic gamma-ray background,\"Phys. Rev. D94no. 4, (2016) 044029, arXiv:1604.05349 [astro-ph.CO]. [49] A. Arbey, J. Auffinger, and J. Silk, \"Constraining primordial black hole masses with the isotropic gamma ray background,\"Phys. Rev. D101no. 2, (2020) 023010,"},{"citing_arxiv_id":"2006.02838","ref_index":151,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Primordial Black Holes as Dark Matter: Recent Developments","primary_cat":"astro-ph.CO","submitted_at":"2020-06-03T17:57:28+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Primordial black holes in specific mass ranges could account for some or all dark matter while resolving structure-formation and seed problems in standard cosmology.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"[149] William DeRocco and Peter Graham, \"Constraining Primordial Black Hole Abundance with the Galactic 511 keV Line,\" Phys. Rev. Lett. 123, 251102 (2019), arXiv:1906.07740 [astro-ph.CO]. [150] Ranjan Laha, Julian Munoz, and Tracy Slatyer, \"INTEGRAL constraints on primordial black holes and particle dark matter,\" Phys. Rev. D 101, 123514 (2020), arXiv:2004.00627 [astro-ph.CO]. [151] Man Ho Chan and Chak Man Lee, \"Constraining Primordial Black Hole Fraction at the Galactic Centre using radio observational data,\" (2020), 10.1093/mnras/staa1966, arXiv:2007.05677 [astro-ph.HE]. [152] Gabriela Marani, R. J. Nemiroff, J. P. Norris, K. Hurley, and J. T. Bonnell, \"Gravitationally Lensed Gamma- Ray Bursts as Probes of Dark Compact Objects,\" Astrophys."},{"citing_arxiv_id":"2002.12778","ref_index":152,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Constraints on Primordial Black Holes","primary_cat":"astro-ph.CO","submitted_at":"2020-02-27T05:17:54+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Updated compilation shows PBHs are tightly constrained across 55 orders of magnitude in mass, ruling out dominant dark matter contributions except in narrow windows, with many limits carrying observational uncertainties.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"relics [144] (dotted grey since dependent on LSP mass), the CMB spectral distortions [145, 146] and anisotropies [145] (yellow), extragalactic antiprotons [135] and neutrinos [135, 147] (green), the GGB [148] and the electrons and positrons observed by Voyager 1 [149] (blue). Less secure limits come from observations of primary photons [150, 151], electron-positron annihila- tion [152, 153] and radio emission from the GC [154](blue since Galactic) and Leo T [155] (green since extragalactic). The dashed line is the only constraint for no Hawking radiation. A. Big bang nucleosynthesis PBHs with M ∼ 1010 g and TBH ∼ 1 TeV have a lifetime τ ∼ 103 s and therefore evaporate at the epoch of cosmological nucleosynthesis. The effect of these evaporations on BBN has been a subject of long-standing interest."}],"limit":50,"offset":0}