{"total":17,"items":[{"citing_arxiv_id":"2605.20162","ref_index":41,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"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":"2605.08080","ref_index":32,"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":"background","top_context_polarity":"background","context_text":", Working Group Report: New Light Weakly Coupled Particles, in Snowmass 2013: Snowmass on the Mississippi (2013) arXiv:1311.0029 [hep-ph]. [30] J. Alexander et al., Dark Sectors 2016 Workshop: Com- munity Report (2016) arXiv:1608.08632 [hep-ph]. [31] M. Fabbrichesi, E. Gabrielli, and G. Lanfranchi, The Dark Photon (2020), arXiv:2005.01515 [hep-ph]. [32] A. Caputo and R. Essig, The Dark Photon: a 2026 Per- spective (2026) arXiv:2603.08430 [hep-ph]. [33] D. J. H. Chung, E. W. Kolb, and A. Riotto, Nonthermal supermassive dark matter, Phys. Rev. Lett.81, 4048 (1998), arXiv:hep-ph/9805473. [34] A. Ahmed, B. Grzadkowski, and A. Socha, Gravita- tional production of vector dark matter, JHEP08, 059, arXiv:2005."},{"citing_arxiv_id":"2604.19198","ref_index":15,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Cosmological constraints on TeV-scale dark matter subcomponents decaying between recombination and reionisation","primary_cat":"astro-ph.CO","submitted_at":"2026-04-21T08:07:34+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Future 21-cm observations may constrain TeV-scale decaying dark matter subcomponents more tightly than CMB data for lifetimes above 10^15 s, with strongest sensitivity for neutrino decay channels due to differences in injected electromagnetic energy spectra.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"lines show the 21-cm sensitivities for different DM masses, while the red line corresponds to the CMB bound (with the width of the line reflecting the change inf eff with varying DM mass). For decays into photons, there is almost no dependence of the sensitivity projections on the mass of the decaying DM particle. This is true also for the case of DM annihilations [15] and consistent with the fact that the energy deposition efficiencyf(z) exhibits no sharp features as a function of the photon mass [16]. The projected bounds generally become weaker with increasing DM lifetime and surpass the existing CMB limits only in the optimistic case. For decays into electrons the dependence on the DM mass is more pronounced, with smaller"},{"citing_arxiv_id":"2604.18007","ref_index":54,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"In-depth analysis of the clustering of dark matter particles around primordial black holes. Part III: CMB constraints","primary_cat":"astro-ph.CO","submitted_at":"2026-04-20T09:30:49+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"CMB data limits the s-wave annihilation cross section of thermal dark matter particles to ≲ 10^{-30} cm³/s scaled by PBH fraction and mass for PBHs heavier than ~10^{-10} solar masses.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"mass, the constraints onf BH relax with decreasing BH mass∝M −2 BH. Finally, though not visible from the plot, we emphasize that in the plateau regime, the dependence on the cross section is much weaker than in the standard annihilation case,∝ ⟨σ annv⟩1/3, which indicates that even suppressed annihilation cross sections are expected to lead to very constraining bounds [54], which has actually been known for some time [27, 28] though on less accurate grounds. In the right panel of Fig. 4, we show the reverse view by constraining the annihilation cross section as a function of WIMP mass, for populations of BHs of massM BH = 10−2 M⊙ with relative abundancesf BH ranging from 10 −8 (dark green) up to larger values (lighter"},{"citing_arxiv_id":"2604.15541","ref_index":16,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Probing inelastic sub-GeV dark matter at the DUNE near detector","primary_cat":"hep-ph","submitted_at":"2026-04-16T21:46:42+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"DUNE's ND-LAr can probe sub-GeV inelastic dark matter parameter space consistent with relic abundance via dark Higgs-mediated annihilation, especially at large dark photon-to-DM mass ratios.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"the absence of signals at the electroweak scale from direct detection (DD) [7-9] and collider experiments [10, 11] has prompted the community to explore lighter DM candidates, for instance in the sub-GeV mass regime [12-15]. A simple and well-motivated extension of the SM is obtained by enlarging its gauge symmetry with an additionalU(1) D factor, whose mediator is the dark photon (A′) [16, 17]. This dark-sector framework provides a minimal portal between DM and the SM [18, 19], allowing the DM to interact with ordinary matter through the exchange of the dark photon in a wide variety of models featuring a fermion or scalar candidates [20]. In the case of Dirac fermion thermally produced, with the fermion being lighter than the dark photon, annihilation into SM fermions is typically dominated by ans-wave process that"},{"citing_arxiv_id":"2604.06315","ref_index":45,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Dark Matter on a Slide","primary_cat":"hep-ph","submitted_at":"2026-04-07T18:00:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Dark pions stabilized by U(1) flavor symmetry in an SU(3)/SO(3) dark sector obtain the correct thermal relic density through up-scatterings to heavier mesons and dark eta decays, producing LHC signals from long-lived particle showers.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"the right-hand side corrects for the fact that ˆKis not real, but complex. We can rewrite Eq. (4.1) as ⟨σv⟩eff ≲⟨σv⟩ obs \u0010 mDM =ξm ˆK \u0011 XSMX SM ,⟨σv⟩ eff ≡ ξ2 2 ⟨σv⟩ ˆK ˆK→ˆπˆη 2Y 0 ˆKm ˆK YDMmDM !2 .(4.2) Note that ˆK ˆK→ˆπˆηannihilation proceeds through thes-wave. A review of the indirect constraints on annihilating DM from astrophysical observations can be found in Ref. [45]. In the mass region where theb¯bchannel is kinematically open, the strongest constraints form DM ≥6 GeV have been reported from the combined searches forγ-rays from dwarf spheroidal galaxies [46], giving⟨σv⟩ obs ≈1.6×10 −27 cm3 s−1 at mDM = 6 GeV (95% CL). Comparable bounds, but reported only form DM ≥10 GeV, arise from radio searches for synchrotron radiation from the Large Magellanic Cloud [47]."},{"citing_arxiv_id":"2602.02678","ref_index":96,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Axion-Like Electrophilic Portal for Pion Dark Matter","primary_cat":"hep-ph","submitted_at":"2026-02-02T19:00:54+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"A minimal electrophilic ALP portal for SIMP pion dark matter widens the allowed parameter space, making an ALP mass of order 10 MeV viable and consistent with the X17 anomaly.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.20825","ref_index":57,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Irreducible Constraints on Hadronically Interacting Sub-GeV Dark Matter","primary_cat":"hep-ph","submitted_at":"2025-12-23T22:59:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Sub-GeV dark matter that interacts hadronically is ruled out for nucleon scattering cross sections above 10^{-36} cm² across the keV to 100 MeV mass range by combined cosmological and particle-decay constraints.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.18959","ref_index":41,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Scalar-Mediated Inelastic Dark Matter as a Solution to Small-Scale Structure Anomalies","primary_cat":"hep-ph","submitted_at":"2025-12-22T02:16:54+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A scalar-mediated inelastic dark matter model with 100 eV splitting, Z2 symmetry forbidding elastic scattering, and a dimension-5 dipole operator reconciles dwarf galaxy observations with cosmological bounds via resonant enhancement and provides a distinct direct detection signal.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.14838","ref_index":67,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Non-Thermal Production of Sexaquark Dark Matter","primary_cat":"hep-ph","submitted_at":"2025-12-16T19:00:13+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Non-thermal production via late-decaying reheatons can achieve the observed dark matter density for sexaquarks by controlling branching fractions and coalescence probabilities, unlike thermal freeze-out which underproduces them by many orders of magnitude.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.16731","ref_index":18,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"WIMP Meets ALP: Coherent Freeze-Out of Dark Matter","primary_cat":"hep-ph","submitted_at":"2025-11-20T19:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Quadratic WIMP-ALP coupling induces coherent freeze-out that allows WIMP annihilation cross sections up to 1000 times larger than standard while matching relic density, plus an ALP miracle where Planck-suppressed couplings naturally yield correct ALP dark matter abundance independent of initial mass","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.18564","ref_index":88,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"The Muonic Portal to Vector Dark Matter:connecting precision muon physics, cosmology, and colliders","primary_cat":"hep-ph","submitted_at":"2025-10-21T12:18:47+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A new model with SU(2)_D symmetry and vector-like muons mediates vector dark matter, simultaneously addressing relic abundance and muon g-2 while identifying an off-resonance suppression mechanism for light DM and deriving collider bounds.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.08043","ref_index":83,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Testing Viability of Benchmark Dark Matter Models for the Galactic Center Excess","primary_cat":"hep-ph","submitted_at":"2025-09-09T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Updated constraints on two simplified dark matter models for the Galactic Center Excess leave unconstrained parameter space after applying recent multi-experiment data.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"[81]ATLAScollaboration,Combination and summary of ATLAS dark matter searches interpreted in a 2HDM with a pseudo-scalar mediator using 139 fb−1 of s=13 TeV pp collision data,Sci. Bull.69(2024) 3005 [2306.00641]. [82]LHC Dark Matter Working Groupcollaboration,LHC Dark Matter Working Group: Next-generation spin-0 dark matter models,Phys. Dark Univ.27(2020) 100351 [1810.09420]. [83] W. Su, M. White, A.G. Williams and Y. Wu,Exploring the lowtanβregion of two Higgs doublet models at the LHC,Eur. Phys. J. C81(2021) 810 [1909.09035]. [84]LHC Higgs Cross Section Working Groupcollaboration,Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector,1610.07922. [85] P.J. Fitzpatrick, H. Liu, T.R. Slatyer and Y."},{"citing_arxiv_id":"2508.15891","ref_index":69,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Constraining light dark matter in vector-scalar portals with COSI and AMEGO-X","primary_cat":"hep-ph","submitted_at":"2025-08-21T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Projects COSI and AMEGO-X sensitivities to sub-GeV DM in vector-scalar portals, finding COSI leading in some regions beyond CMB limits and AMEGO-X covering most continuum cases.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2508.02642","ref_index":30,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Lepton parity dark matter and naturally unstable domain walls","primary_cat":"hep-ph","submitted_at":"2025-08-04T17:25:59+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Lepton parity stabilizes a Majorana fermion dark matter candidate while an accidental Z2 symmetry in the scalar potential creates unstable domain walls whose decay produces observable gravitational waves.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2507.11376","ref_index":111,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"GeV-scale thermal dark matter from dark photons: tightly constrained, yet allowed","primary_cat":"hep-ph","submitted_at":"2025-07-15T14:48:22+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"In a dark-photon-mediated Dirac fermionic DM model, only narrow resonant regions with small dark-sector coupling allow the candidate to saturate the full relic density while evading current direct and indirect detection bounds.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Slatyer,Indirect Dark Matter Signatures in the Cosmic Dark Ages II. Ionization, Heating and Photon Production from Arbitrary Energy Injections, Phys. Rev. D93 (2016) 023521, [1506.03812]. - 33 - [110] H. Liu, T. R. Slatyer and J. Zavala,Contributions to cosmic reionization from dark matter annihilation and decay, Phys. Rev. D94 (2016) 063507, [1604.02457]. [111] T. R. Slatyer,Indirect dark matter signatures in the cosmic dark ages. I. Generalizing the bound on s-wave dark matter annihilation from Planck results, Phys. Rev. D93 (2016) 023527, [1506.03811]. [112] M. Cirelli, G. Corcella, A. Hektor, G. Hutsi, M. Kadastik, P. Panci et al.,PPPC 4 DM ID: A Poor Particle Physicist Cookbook for Dark Matter Indirect Detection, JCAP 03 (2011) 051,"},{"citing_arxiv_id":"1907.04324","ref_index":169,"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":1,"top_context_role":"background","top_context_polarity":"background","context_text":"the parameter space into two broad regions:𝑚𝜒 < 𝑚 𝐴′ or 𝑚𝜒 > 𝑚 𝐴′. In the latter case, the dominant process at the epoch of thermal freezeout is𝜒¯𝜒 → 𝐴′𝐴′ followed by 𝐴′ decays to SM particles, whereas when𝑚𝜒 < 𝑚 𝐴′, the 𝑠-channel annihilation 𝜒¯𝜒 → 𝑓 ¯𝑓 to SM particles𝑓 via off-shell 𝐴′ is dominant. This regime is ruled out for 𝑚𝜒 ∼ MeV-GeV by CMB constraints [165-169]. In the present work, however, we are interested in the intermediate region𝑚𝜒≲ 43 𝑚𝐴′, where it is possible for the3 → 2 scatterings 𝜒𝜒¯𝜒 → 𝜒𝐴′ or 𝜒¯𝜒𝐴′ → 𝜒¯𝜒 to have an important effect on the dark matter abundance. The system is governed by the coupled Boltzmann equations for the𝜒 and 𝐴′ densities. For 𝑚𝜒≲ 𝑚𝐴′, the relevant terms in these equations are"}],"limit":50,"offset":0}