{"total":14,"items":[{"citing_arxiv_id":"2605.11630","ref_index":44,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Long-lived sterile neutrinos from axionlike particles at the Super Tau-Charm Facility","primary_cat":"hep-ph","submitted_at":"2026-05-12T06:55:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"STCF can reach |V_eN|^2 values one to two orders of magnitude below current bounds for heavy neutral leptons via displaced-vertex searches from ALP decays in D-meson production.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"[40] R. N. Mohapatra, Phys. Rev. Lett.56, 561 (1986). [41] R. N. Mohapatra and J. W. F. Valle, Phys. Rev. D34, 1642 (1986). [42] E. K. Akhmedov, M. Lindner, E. Schnapka, and J. W. F. Valle, Phys. Lett. B368, 270 (1996), arXiv:hep-ph/9507275. [43] M. Malinsky, J. C. Romao, and J. W. F. Valle, Phys. Rev. Lett.95, 161801 (2005), arXiv:hep- ph/0506296. [44] S. Dodelson and L. M. Widrow, Phys. Rev. Lett.72, 17 (1994), arXiv:hep-ph/9303287. 20 [45] X.-D. Shi and G. M. Fuller, Phys. Rev. Lett.82, 2832 (1999), arXiv:astro-ph/9810076. [46] A. D. Dolgov and S. H. Hansen, Astropart. Phys.16, 339 (2002), arXiv:hep-ph/0009083. [47] K. Abazajian, G. M. Fuller, and W. H. Tucker, Astrophys. J.562, 593 (2001), arXiv:astro-"},{"citing_arxiv_id":"2604.18674","ref_index":12,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Hunting Sterile Neutrino Dark Matter in the MeV Gap","primary_cat":"hep-ph","submitted_at":"2026-04-20T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Future MeV telescopes are projected to improve existing limits on sterile neutrino dark matter decay rates by several orders of magnitude.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"neutrino searches from various ground and space-based observatories have provided stringent bounds on its mass and mixing with active neutrinos. Sterile neutrino DM can be produced in the early Uni- verse through a variety of mechanisms. In the keV mass range, the most widely studied scenarios include non- resonant production via active-sterile neutrino oscilla- tions (the Dodelson-Widrow mechanism) [12] and reso- nant production in the presence of a lepton asymme- try (the Shi-Fuller mechanism) [13]. While the former is now strongly constrained by a combination of X-ray and structure formation bounds, the latter remains viable in restricted regions of parameter space. Beyond these min- imal frameworks, a broad class of models involving ad- ditional interactions or fields can produce sterile neutri-"},{"citing_arxiv_id":"2604.17869","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Probing Cosmic-Ray-Boosted and Supernova-Sourced Sub-GeV Dark Matter with Paleo-Detectors","primary_cat":"hep-ph","submitted_at":"2026-04-20T06:30:15+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Paleo-detectors can achieve high sensitivity to sub-GeV dark matter boosted by cosmic rays and supernovae, covering previously inaccessible parameter space with orders of magnitude better reach than current experiments.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"[15] J. L. Feng and J. Kumar, Phys. Rev. Lett.101, 231301 (2008), 0803.4196. [16] G. Arcadi, M. Dutra, P. Ghosh, M. Lindner, Y. Mambrini, M. Pierre, S. Profumo, and F. S. Queiroz, Eur. Phys. J. C78, 203 (2018), 1703.07364. [17] M. Cirelli, A. Strumia, and J. Zupan (2024), 2406.01705. [18] H. Pagels and J. R. Primack, Phys. Rev. Lett.48, 223 (1982). [19] S. Dodelson and L. M. Widrow, Phys. Rev. Lett.72, 17 (1994), hep-ph/9303287. [20] C. Boehm, T. A. Ensslin, and J. Silk, J. Phys. G30, 279 (2004), astro-ph/0208458. [21] C. Boehm and P. Fayet, Nucl. Phys. B683, 219 (2004), hep-ph/0305261. [22] G. Bertone and T. Tait, M. P., Nature562, 51 (2018), 1810.01668. [23] S. Matsumoto, Y.-L. S. Tsai, and P.-Y."},{"citing_arxiv_id":"2604.16085","ref_index":11,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Thermal effects on Dark Matter production during cosmic reheating","primary_cat":"hep-ph","submitted_at":"2026-04-17T14:14:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Thermal corrections to reheating and freeze-in DM production rates are generally small in the computable regime but can be large in constructed counter-examples.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"the DM particles themselves are detector-stable, the feeble portal couplings can give rise to striking signatures from long-lived mediators, such as displaced vertices, disappearing tracks or missing transverse energy [5-10]. In the early universe, the feeble interactions can prevent the hidden particles from reaching thermal equilibrium. The probably simplest way of realizing this is athermal freeze-in[11, 12], i.e., a slow production from a bath in thermal equilibrium. Alternatively the DM can be produced in the decay of a heavy particle or condensate or gravitational in- teractions, see e.g. [13-17] for some reviews. In such scenarios, the DM particles' abundance and momentum distribution do not only carry information about their interaction, but also"},{"citing_arxiv_id":"2604.15240","ref_index":21,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Boson star-black hole binaries: initial data and head-on collisions","primary_cat":"gr-qc","submitted_at":"2026-04-16T17:15:14+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A one-body conformal-factor correction stabilizes boson star-black hole initial data, enabling gravitational-wave analysis that shows higher multipoles can discriminate mixed mergers from pure black-hole binaries.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"dark matter candidate: Nonthermal sterile neutrinos,\" Phys. Rev. Lett.82, 2832-2835 (1999), arXiv:astro- ph/9810076. [19] K. N. Abazajianet al., \"Light Sterile Neutrinos: A White Paper,\" (2012), arXiv:1204.5379 [hep-ph]. [20] Wayne Hu, Rennan Barkana, and Andrei Gruzinov, \"Cold and fuzzy dark matter,\" Phys. Rev. Lett.85, 1158-1161 (2000), arXiv:astro-ph/0003365. [21] Lam Hui, Jeremiah P. Ostriker, Scott Tremaine, and Edward Witten, \"Ultralight scalars as cosmolog- ical dark matter,\" Phys. Rev. D95, 043541 (2017), arXiv:1610.08297 [astro-ph.CO]. [22] Lam Hui, \"Wave Dark Matter,\" Ann. Rev. Astron. As- trophys.59, 247-289 (2021), arXiv:2101.11735 [astro- ph.CO]. [23] Bernard Carr, Florian Kuhnel, and Marit Sandstad,"},{"citing_arxiv_id":"2604.06493","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Low-Scale Leptogenesis from Resonant Thermal Lepton Flavour Coherences","primary_cat":"hep-ph","submitted_at":"2026-04-07T21:55:04+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Resonant thermal lepton-flavour coherences at two loops enable dominant low-scale leptogenesis for both Dirac and Majorana singlet neutrinos down to GeV masses without mass degeneracy.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"enhanced up to order one [17], thus avoiding the lower bound of10 9 GeV in the heavy neutrino masses [18]. Interestingly enough, heavy-neutrino flavour effects in RL provide new possibilities for modelling scenarios with observable signatures of charged-lepton flavour violation [14, 19]. Another interesting low-scale leptogenesis scenario uses the ARS mechanism [10, 20], where the required lepton asymmetry is created by coherent sterile neutrino oscillations 1. In the ARS scenario, the singlet neutrinos can be as light as GeV and hence be accessible at beam-dump ex- periments, whilst electroweak-scale heavy neutrinos may be observed by displaced vertex searches at high-energy colliders. In addition, low-scale leptogenesis benefits from the fact that it does not"},{"citing_arxiv_id":"2601.15921","ref_index":56,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Dominant Thermal Resonant Mechanism for Low-Scale Leptogenesis","primary_cat":"hep-ph","submitted_at":"2026-01-22T12:51:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Thermal Resonant Leptogenesis produces the observed baryon asymmetry via a dominant thermal channel from Higgs decays and lepton-doublet coherences, without requiring quasi-degenerate sterile neutrinos.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.23461","ref_index":33,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"New Particles at the Z-Pole: Tera-Z factories as discovery and precision machines","primary_cat":"hep-ph","submitted_at":"2025-11-28T18:53:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Tera-Z factories can produce millions of heavy neutral leptons and billions of axion-like particles under optimistic assumptions, turning them into exotics factories for discovery and detailed study.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.02646","ref_index":27,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Gauge invariant perturbations of $F(T,T_G)$ Cosmology","primary_cat":"gr-qc","submitted_at":"2025-09-02T10:58:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Derives gauge-invariant perturbation equations for F(T, T_G) cosmology and provides physical interpretations for new contributions in each mode.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2409.16961","ref_index":13,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Correlative study of flavor anomalies and dark matter in the light of scalar leptoquark","primary_cat":"hep-ph","submitted_at":"2024-09-25T14:16:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"A U(1)_{Le-Lμ} extended SM with scalar leptoquark explains b→s anomalies via Z', leptoquark and new fermions while the lightest neutral fermion serves as DM, with constraints analyzed from B decays and DM observables.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2103.01183","ref_index":286,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"In the Realm of the Hubble tension $-$ a Review of Solutions","primary_cat":"astro-ph.CO","submitted_at":"2021-03-01T18:27:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"A review summarizing the Hubble constant tension and proposed solutions from new physics that restore agreement between Planck CMB data and local H0 measurements within 1-2 sigma.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"considering only one specific mechanism. Indeed, many assumptions and simplifications made in the six parameter description of the ΛCDM model may not be fully justified, and perhaps could hide some physical aspects essential in the evolution of the Universe. In a multi-parameter space, the biases introduced by the choice of the model are easily avoided [286-290]. To begin with, the authors consider an 11-parameter space model in which the ΛCDM model is augmented by the running of the scalar spectral index αs, the total neutrino mass Σ mν, the effective number of relativistic degrees of freedom Neff (see Section 7 for details), a constant dark energy equation of state w0, and the Alens parameter [17]. In this scenario, a fit of the 11-parameter space model to the"},{"citing_arxiv_id":"1907.08010","ref_index":200,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Cosmological searches for the neutrino mass scale and mass ordering","primary_cat":"astro-ph.CO","submitted_at":"2019-07-18T12:03:32+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Thesis summarizing an upper limit of 0.12 eV on the neutrino mass sum, bias calibration via CMB lensing cross-correlations, and tighter limits plus stronger normal-ordering preference in non-phantom dynamical dark energy models.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1906.10316","ref_index":17,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Constraining light fermionic dark matter with binary pulsars","primary_cat":"astro-ph.GA","submitted_at":"2019-06-25T04:15:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Dynamical friction from a degenerate fermionic dark matter background induces measurable secular decay in binary pulsar orbital periods, with sensitivity to fermion masses ≳50 eV and example upper bounds around 1 keV from Milky Way data.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1807.06209","ref_index":113,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Planck 2018 results. VI. Cosmological parameters","primary_cat":"astro-ph.CO","submitted_at":"2018-07-17T04:05:07+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Final Planck CMB data confirms the flat 6-parameter ΛCDM model with Ω_c h² = 0.120 ± 0.001, Ω_b h² = 0.0224 ± 0.0001, n_s = 0.965 ± 0.004, τ = 0.054 ± 0.007, H_0 = 67.4 ± 0.5 km/s/Mpc, and no strong evidence for extensions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}