{"total":95,"items":[{"citing_arxiv_id":"2606.24868","ref_index":170,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Exploring Gravitational Wave Signatures Due to Primordial Non-gaussianity and Large Scale Structure Using SKAO","primary_cat":"astro-ph.CO","submitted_at":"2026-06-23T17:47:54+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Explores SKAO detection of scalar-induced GW backgrounds as probes of primordial non-Gaussianity and parity violation, with LSS cross-correlation to improve SNR.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.24846","ref_index":62,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Using SKAO to Understand the Clustering of Gravitational Wave Sources","primary_cat":"astro-ph.CO","submitted_at":"2026-06-23T17:25:17+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Forecasts show SKA-Mid cross-correlations with ET/CE gravitational wave events can constrain GW source bias and time-delay distributions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.23773","ref_index":79,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Modern tidal interaction models for rapid binary population synthesis: II. Binary black hole formation, mergers, and spins","primary_cat":"astro-ph.HE","submitted_at":"2026-06-22T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Simulations with a new tidal model in COMPAS predict that merging binary black holes from isolated evolution are strongly biased to low effective spins, with one third below 0.05 and only 3% above 0.5, but the high-spin fraction rises to 15% at higher redshifts.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.18081","ref_index":19,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"The Chirp-Mass Ladder: A New Rung Emerges","primary_cat":"astro-ph.HE","submitted_at":"2026-06-16T15:45:58+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"The chirp-mass distribution of GW-detected binary black holes shows a ladder of peaks doubling in mass, with a new intermediate peak at 19 solar masses confirming a prior prediction from the hierarchical merger model.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.28716","ref_index":6,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Eccentric and unbound compact binaries in the LIGO-Virgo-KAGRA catalog: parameter estimation and waveform systematics with SEOBNRv6EHM","primary_cat":"gr-qc","submitted_at":"2026-05-27T16:38:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"SEOBNRv6EHM reduces parameter biases for eccentric binaries versus prior models and shows mild support for eccentricity in five catalog events plus comparable unbound fits for three high-mass events.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.28715","ref_index":1,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Accurate waveforms for generic planar-orbit binary black holes: The multipolar effective-one-body model SEOBNRv6EHM","primary_cat":"gr-qc","submitted_at":"2026-05-27T16:38:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"SEOBNRv6EHM is a multipolar EOB model for eccentric planar-orbit BBHs calibrated to NR simulations, showing low waveform mismatches up to eccentricity 0.9.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.28658","ref_index":4,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Measuring the Hubble constant with strongly lensed gravitational waves from space-based detector networks","primary_cat":"astro-ph.CO","submitted_at":"2026-05-27T15:57:34+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Simulations indicate joint Taiji+LISA analysis of five SLGW events yields H0 95% credible interval uncertainties of 0.11 (source redshift unknown) or 0.042 (source redshift known).","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.21580","ref_index":22,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Massquerade: Impacts of Mass Ratio Reversals on Binary Black Hole Merger Rates and Mass Distributions","primary_cat":"astro-ph.HE","submitted_at":"2026-05-20T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Mass ratio reversals produce qualitatively different contributions to BBH merger rates and masses in COMPAS versus SEVN simulations, with core-growth dominating and most systems arising from massive low-metallicity progenitors.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.20112","ref_index":54,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Gravitational-wave constraints on $H_0$ are robust to (putative) redshift evolution in the binary black hole mass spectrum at current sensitivity","primary_cat":"astro-ph.CO","submitted_at":"2026-05-19T16:59:39+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Spectral-siren H0 constraints from GWTC-4.0 binary black holes remain robust when the mass spectrum is permitted to evolve with redshift at current detector sensitivity.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.19673","ref_index":7,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Spin-Hair Induced Chaos of Spinning Test Particles in Rotating Hairy Black Holes","primary_cat":"gr-qc","submitted_at":"2026-05-19T11:04:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Spinning test particles around rotating hairy black holes show finite-time instability in localized regions of the (spin, hair-parameter) plane that reorganize the strong-field phase space compared to Kerr.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.19153","ref_index":35,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"GstLAL O4 Online Results Paper","primary_cat":"gr-qc","submitted_at":"2026-05-18T22:15:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"GstLAL produced low-latency alerts for 250 astrophysically plausible gravitational-wave candidates during O4, providing the first upload for 222 and the sole upload for 75, with 88 percent of significant catalog events detected and 93 percent classification agreement.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.19121","ref_index":6,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Ringdown Signatures of Dehnen Dark Matter Halos: Fluid Modes and Detectability with Space-Based Detectors","primary_cat":"gr-qc","submitted_at":"2026-05-18T21:15:23+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Numerical ringdown waveforms for black holes in Dehnen dark matter profiles are generated and analyzed for detectability and parameter inference using second-generation TDI in space-based detectors such as LISA, Taiji, and TianQin.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.18544","ref_index":2,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"The Classical Gravitational Impulse at High Energies","primary_cat":"hep-th","submitted_at":"2026-05-18T15:24:32+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The gravitational impulse for ultrarelativistic massive scalars is resummed to all orders in G_N at fixed G_N s/mb, recovering post-Minkowski results and predicting the leading high-energy behavior to eleventh post-Minkowski order.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.17647","ref_index":13,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Scattering, absorption and greybody factor of scalar particles by Lorentz-violating charged black holes","primary_cat":"gr-qc","submitted_at":"2026-05-17T20:52:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Partial-wave calculations of scattering cross sections, absorption, and greybody factors for spin-0 particles on charged black holes in bumblebee and Kalb-Ramond Lorentz-violating models.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.16183","ref_index":6,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Rapid data quality investigations of gravitational-wave events with the Data Quality Report Builder toolkit","primary_cat":"astro-ph.IM","submitted_at":"2026-05-15T17:03:40+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"DQRbuild toolkit automates data quality vetting for gravitational-wave events, recovering 96% of human-identified issues from O3 with a 24% false alarm rate.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.15749","ref_index":5,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Constraints on primordial black holes from the first part of LIGO-Virgo-KAGRA fourth observing run","primary_cat":"astro-ph.CO","submitted_at":"2026-05-15T09:07:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"LIGO-Virgo-KAGRA O4a data yields the strongest constraints on primordial black hole abundance for 0.6-100 solar masses, with resolvable mergers dominating the limits and no compelling evidence for a PBH contribution in joint fits with astrophysical black holes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.09250","ref_index":12,"ref_count":2,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Efficient and Stable Computation of Gravitational-Wave Fluxes from Generic Kerr Orbits via a Unified HeunC Framework","primary_cat":"gr-qc","submitted_at":"2026-05-10T01:28:01+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":"Phys.2021, 05A107 (2021), arXiv:2008.10332 [gr-qc]. [10] E.-K. Liet al., Gravitational wave astronomy with Tian- Qin, Rept. Prog. Phys.88, 056901 (2025), arXiv:2409.19665 [astro-ph.GA]. [11] W.-H. Ruan, Z.-K. Guo, R.-G. Cai, and Y .-Z. Zhang, Taiji pro- gram: Gravitational-wave sources, Int. J. Mod. Phys. A35, 2050075 (2020), arXiv:1807.09495 [gr-qc]. [12] Y . Gong, J. Luo, and B. Wang, Concepts and status of Chinese space gravitational wave detection projects, Nature Astron.5, 881 (2021), arXiv:2109.07442 [astro-ph.IM]. [13] P. Amaro-Seoane, Relativistic dynamics and extreme mass ra- tio inspirals, Living Rev. Rel.21, 4 (2018), arXiv:1205.5240 [astro-ph.CO]. [14] P. A. Seoaneet al.(LISA), Astrophysics with the Laser In-"},{"citing_arxiv_id":"2605.08584","ref_index":5,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"The Non-parametric Equation of State Realizes a Generalized Quark-Hadron Crossover","primary_cat":"astro-ph.HE","submitted_at":"2026-05-09T01:00:23+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"(LIGO Scientific, Virgo), Phys. Rev. Lett. 121, 161101 (2018), arXiv:1805.11581 [gr-qc]. [2] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [3] S. Vinciguerraet al., Astrophys. J.961, 62 (2024), arXiv:2308.09469 [astro-ph.HE]. [4] T. Salmiet al., Astrophys. J.974, 294 (2024), arXiv:2406.14466 [astro-ph.HE]. [5] A. J. Dittmannet al., Astrophys. J.974, 295 (2024), arXiv:2406.14467 [astro-ph.HE]. [6] D. Choudhuryet al., Astrophys. J. Lett.971, L20 (2024), arXiv:2407.06789 [astro-ph.HE]. [7] L. Mauviardet al., Astrophys. J.995, 60 (2025), arXiv:2506.14883 [astro-ph.HE]. [8] E. Annala, T. Gorda, A. Kurkela, J. Nättilä, and A. Vuorinen, Nature Phys.16, 907 (2020), arXiv:1903."},{"citing_arxiv_id":"2605.05537","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Implications of the LISA stochastic signal from eccentric stellar mass black hole binaries in vacuum","primary_cat":"gr-qc","submitted_at":"2026-05-07T00:35:22+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"High initial eccentricities in stellar-mass black hole binaries produce a stochastic gravitational wave background distinguishable by LISA from quasi-circular models, enabling upper bounds on eccentricity and separation of environmental effects for dense gas.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"arXiv preprint (2025), arXiv:2508.18082 [gr-qc]. [7] R. Abbottet al.(LIGO Scientific, Virgo, KAGRA), arXiv preprint (2025), arXiv:2508.18083 [astro-ph.HE]. [8] K. Belczynski, D. E. Holz, T. Bulik, and R. O'Shaughnessy, Nature534, 512 (2016), arXiv:1602.04531 [astro-ph.HE]. [9] I. Mandel and A. Farmer, Phys. Rept.955, 1 (2022), arXiv:1806.05820 [astro-ph.HE]. [10] C. L. Rodriguez, S. Chatterjee, and F. A. Rasio, Phys. Rev. D93, 084029 (2016), arXiv:1602.02444 [astro- ph.HE]. [11] J. Samsing, Phys. Rev. D97, 103014 (2018), arXiv:1711.07452 [astro-ph.HE]. [12] M. Zevin, J. Samsing, C. Rodriguez, C.-J. Haster, and E. Ramirez-Ruiz, Astrophys. J.871, 91 (2019), arXiv:1810.00901 [astro-ph.HE]. [13] S. Naoz, W. M."},{"citing_arxiv_id":"2605.04579","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"The Impact of Spin Priors on Parameterized Tests of General Relativity","primary_cat":"gr-qc","submitted_at":"2026-05-06T07:30:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Spin prior choices propagate into tests of GR via the 1.5PN deviation parameter δφ̂3 in a non-trivial, event-dependent way, with stronger effects for short-inspiral events and partial degeneracy with χ_eff when the deviation is included.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"5 and Table III. [1] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.116, 061102 (2016), arXiv:1602.03837 [gr-qc]. [2] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.116, 241102 (2016), arXiv:1602.03840 [gr-qc]. [3] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.116, 131103 (2016), arXiv:1602.03838 [gr-qc]. 17 [4] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro- ph.HE]. [5] T. G. F. Li, W. Del Pozzo, S. Vitale, C. Van Den Broeck, M. Agathos, J. Veitch, K. Grover, T. Sidery, R. Sturani, and A. Vecchio, Phys. Rev. D85, 082003 (2012). [6] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.116, 221101 (2016), [Erratum:"},{"citing_arxiv_id":"2605.03576","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Ringdown Analysis of GW250114 with Orthonormal Modes","primary_cat":"gr-qc","submitted_at":"2026-05-05T09:45:08+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Orthonormal QNM analysis of GW250114 raises the significance of the first overtone of the ℓ=m=2 mode from 82.5% to 99.9% and detects no significant deviation from Kerr predictions.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"provide a good approximation at sufficiently late times after the peak. Such assumptions about mode hierar- chy have been widely employed in previous analyses [14- 16, 44, 47, 51, 81]. [1] B. P. Abbottet al.(LIGO Scientific and Virgo Collabo- rations), \"Observation of Gravitational Waves from a Bi- nary Black Hole Merger,\" Phys. Rev. Lett.116, 061102 (2016), arXiv:1602.03837 [gr-qc]. [2] B. P. Abbottet al.(LIGO Scientific and Virgo Collab- orations), \"GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs,\" Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro- ph.HE]. [3] R. Abbottet al.(LIGO Scientific and Virgo Collabo- rations), \"GWTC-2: Compact Binary Coalescences Ob-"},{"citing_arxiv_id":"2605.01216","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Gravitational Waves from a Black Hole Falling Radially into a Thin-Shell Traversable Wormhole","primary_cat":"gr-qc","submitted_at":"2026-05-02T03:17:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Analytic gravitational waveforms from radial test-particle infall into a thin-shell traversable wormhole exhibit a characteristic pulse-gap structure from repeated throat crossings and lie within reach of ground-based detectors at ~500 Mpc.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"future gravitational-wave data. Acknowledgements -JBD acknowledges support from the National Science Foundation under grant no. PHY2412995. JBD thanks the Mitchell Institute at Texas A&M University for its hospitality where part of this work was completed. [1] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.116, 061102 (2016), arXiv:1602.03837 [gr-qc]. [2] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [3] R. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. X 11, 021053 (2021), arXiv:2010.14527 [gr-qc]. [4] R. Abbottet al.(LIGO Scientific, Virgo, KAGRA), Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [5] G. Agazieet al.(NANOGrav), Astrophys."},{"citing_arxiv_id":"2604.26581","ref_index":18,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Normalizing flows for density estimation in multi-detector gravitational-wave searches","primary_cat":"astro-ph.HE","submitted_at":"2026-04-29T12:01:29+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Normalizing flows replace binned histograms for estimating multi-detector signal parameters in PyCBC, slashing storage by three orders of magnitude with under 0.05% sensitivity loss and up to 6.55% gains in specific cases.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(KAGRA, VIRGO, LIGO Scientific), \"GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the Third Observing Run,\" Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [17] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), \"GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients,\" (2025), arXiv:2508.18081 [gr-qc]. [18] Alexander H. Nitz, Collin Capano, Alex B. Nielsen, Steven Reyes, Rebecca White, Duncan A. Brown, and Badri Krishnan, \"1-OGC: The first open gravitational-wave catalog of binary mergers from analysis of public Advanced LIGO data,\" Astrophys. J. 872, 195 (2019), arXiv:1811.01921 [gr-qc]. [19] Alexander H. Nitz, Thomas Dent, Gareth S. Davies, Sumit Kumar, Collin D."},{"citing_arxiv_id":"2604.22634","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Constraints on the Primordial Black Hole Abundance using Pulsar Parameter Drifts","primary_cat":"astro-ph.CO","submitted_at":"2026-04-24T15:07:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"The first search for scalar-induced gravitational waves via pulsar parameter drifts yields f_PBH < 10^{-10} (95% CL) for PBH masses 0.3 to 4e4 solar masses, strongly disfavoring a primordial black hole origin for LVK binary black holes.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"12505086). ∗ Corresponding author: wuyumei@yzu.edu.cn † Corresponding author: huangqg@itp.ac.cn [1] B. P. Abbottet al.(LIGO Scientific, Virgo), \"GWTC- 1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs,\" Phys. Rev. X 9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [2] R. Abbottet al.(LIGO Scientific, Virgo), \"GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run,\" Phys. Rev. X11, 021053 (2021), arXiv:2010.14527 [gr- qc]. [3] R. Abbottet al.(LIGO Scientific, VIRGO), \"GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the"},{"citing_arxiv_id":"2604.20063","ref_index":61,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Purely Quadratic Non-Gaussianity from Tachyonic Instability: Primordial Black Holes and Scalar-Induced Gravitational Waves","primary_cat":"astro-ph.CO","submitted_at":"2026-04-21T23:58:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Purely quadratic non-Gaussianity from tachyonic instability allows narrow curvature spectra to exponentially suppress primordial black hole overproduction via correlation coefficient ρ approaching -1 while retaining sizable scalar-induced gravitational waves.","context_count":1,"top_context_role":"background","top_context_polarity":"support","context_text":", Microlensing Optical Depth, Event Rate, and Limits on Compact Objects in Dark Matter Based on 20 Yr of OGLE Observations of the Small Magellanic Cloud, Astrophys. J. Suppl.280, 49 (2025), arXiv:2507.13794 [astro-ph.GA]. [60] N. Smyth, S. Profumo, S. English, T. Jeltema, K. McKinnon, and P. Guhathakurta, Updated Constraints on Asteroid- Mass Primordial Black Holes as Dark Matter, Phys. Rev. D101, 063005 (2020), arXiv:1910.01285 [astro-ph.CO]. [61] B. P. Abbottet al.(LIGO Scientific, Virgo), GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs, Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [62] R. Abbottet al.(LIGO Scientific, Virgo), GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During"},{"citing_arxiv_id":"2604.17868","ref_index":5,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Including higher-order modes in a quadrupolar eccentric numerical relativity surrogate using universal eccentric modulation functions","primary_cat":"gr-qc","submitted_at":"2026-04-20T06:28:06+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"The gwNRHME framework constructs a multi-modal non-spinning eccentric gravitational waveform surrogate by modulating quasi-circular models with universal eccentric functions, achieving median mismatches of ~9e-5 against 156 NR waveforms.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [3] F. Acerneseet al.(VIRGO), \"Advanced Virgo: a second- generation interferometric gravitational wave detector,\" Class. Quant. Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [4] T. Akutsuet al.(KAGRA), \"Overview of KAGRA: Detector design and construction history,\" PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [5] B. P. Abbottet al.(LIGO Scientific, Virgo), \"GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs,\" Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [6] R. Abbottet al.(LIGO Scientific, Virgo), \"GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During"},{"citing_arxiv_id":"2604.15885","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Gravitational-wave astronomy requires population-informed parameter estimation","primary_cat":"gr-qc","submitted_at":"2026-04-17T09:31:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Population-informed hierarchical parameter estimation is required for unbiased astrophysical interpretation of gravitational-wave events rather than using standard individual posteriors with reference priors.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Data availability-The data that support the find- ings of this article are openly available [52-57]. [1] J. Aasiet al., Class. Quantum Grav.32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [2] F. Acerneseet al., Class. Quantum Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [3] T. Akutsuet al., Prog. Theor. Exp. Phys.2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [4] B. P. Abbottet al., Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [5] R. Abbottet al., Phys. Rev. X11, 021053 (2021), arXiv:2010.14527 [gr-qc]. [6] R. Abbottet al., Phys. Rev. D109, 022001 (2024), arXiv:2108.01045 [gr-qc]. [7] R. Abbottet al., Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [8] A. G. Abacet al., arXiv:2508."},{"citing_arxiv_id":"2604.15240","ref_index":12,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"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":"sient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run,\" (2025), arXiv:2508.18082 [gr-qc]. [11] Richard Brito, Shrobana Ghosh, Enrico Barausse, Emanuele Berti, Vitor Cardoso, Irina Dvorkin, Antoine Klein, and Paolo Pani, \"Gravitational wave searches for ultralight bosons with LIGO and LISA,\" Phys. Rev. D96, 064050 (2017), arXiv:1706.06311 [gr-qc]. [12] Gianfranco Bertoneet al., \"Gravitational wave probes of dark matter: challenges and opportunities,\" Sci- Post Phys. Core3, 007 (2020), arXiv:1907.10610 [astro- ph.CO]. [13] Maxim Pospelov, Adam Ritz, and Mikhail B. Voloshin, \"Secluded WIMP Dark Matter,\" Phys. Lett. B662, 53- 61 (2008), arXiv:0711.4866 [hep-ph]. [14] Giorgio Arcadi, Ma' ıra Dutra, Pradipta Ghosh, Manfred"},{"citing_arxiv_id":"2604.14270","ref_index":115,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Fast neural network surrogate for multimodal effective-one-body gravitational waveforms from generically precessing compact binaries","primary_cat":"gr-qc","submitted_at":"2026-04-15T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Neural network surrogate approximates precessing compact binary gravitational waveforms up to 1000x faster than the base EOB model with validated accuracy.","context_count":1,"top_context_role":"baseline","top_context_polarity":"baseline","context_text":"The second event of interest is GW200129, which has been claimed to show strong evidence of precession when analysed using the NRSur7dq4 [23] waveform model, al- though some studies [108] caution that the level of sup- port for precession is sensitive to the approach taken to mitigate a glitch that occurred in the LIGO Livingston data stream around the time of GW200129. The origi- nal LVK analysis [115] of this event concluded that there was evidence of strong precession and mass-asymmetry when the event was analyzed using IMRPhenomXPHM, but not when analyzed using SEOBNRv4PHM [116] (the precursor of SEOBNRv5PHM). SEOBNRv5PHM itself has been shown to support greater values ofχ p than SEOBNRv4PHM, but still favours values smaller than IMRPhenomXPHM [38]."},{"citing_arxiv_id":"2604.11903","ref_index":12,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Post-Newtonian inspiral waveform model for eccentric precessing binaries with higher-order modes and matter effects","primary_cat":"gr-qc","submitted_at":"2026-04-13T18:00:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"pyEFPEHM extends prior PN models to include higher-order quasi-circular phasing, generalized precession solutions, and eccentric corrections up to 1PN in selected multipoles for eccentric precessing binaries with matter effects.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"wave transients with Advanced LIGO, Advanced Virgo and KAGRA, Living Rev. Rel.19, 1 (2016), arXiv:1304.0670 [gr-qc]. [11] B. P. Abbottet al.(LIGO Scientific, Virgo), GWTC- 1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs, Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [12] R. Abbottet al.(LIGO Scientific, Virgo), GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run, Phys. Rev. X11, 021053 (2021), arXiv:2010.14527 [gr- qc]. [13] R. Abbottet al.(KAGRA, VIRGO, LIGO Scientific), GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the"},{"citing_arxiv_id":"2604.11871","ref_index":68,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Not too close! Evaluating the impact of the baseline on the localization of binary black holes by next-generation gravitational-wave detectors","primary_cat":"gr-qc","submitted_at":"2026-04-13T18:00:00+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Baselines of 8-11 ms light travel time for two CE detectors provide a reasonable compromise for BBH sky localization, with third detectors eliminating multimodality for most or all events.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"11, 123006 (2009), [Erratum: New J.Phys. 13, 069602 (2011)], arXiv:0908.2356 [gr-qc]. [65] L. Wen and Y. Chen, Phys. Rev. D81, 082001 (2010), arXiv:1003.2504 [astro-ph.CO]. [66] S. Fairhurst, Class. Quant. Grav.28, 105021 (2011), arXiv:1010.6192 [gr-qc]. [67] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [68] R. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. X 11, 021053 (2021), arXiv:2010.14527 [gr-qc]. [69] R. Abbottet al.(KAGRA, Virgo, LIGO Scientific), Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [70] A. G. Abacet al.(LIGO Scientific, Virgo, KAGRA), (2025), arXiv:2508.18082 [gr-qc]. [71] A. H. Nitz and T. Dal Canton, Astrophys. J. Lett."},{"citing_arxiv_id":"2604.09828","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Testing the Kerr hypothesis beyond the quadrupole with GW241011","primary_cat":"gr-qc","submitted_at":"2026-04-10T18:58:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"GW241011 data shows consistency with Kerr black holes for both quadrupole and octupole moments and delivers the first observational bounds on spin-induced octupole deviations.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Carter, Phys. Rev. Lett.26, 331 (1971). [3] R. O. Hansen, Journal of Mathematical Physics15, 46 (1974). [4] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.116, 061102 (2016), arXiv:1602.03837 [gr-qc]. [5] B. P. Abbottet al.(LIGO Scientific and Virgo Collaborations), Phys. Rev. X9, 031040 (2019), arXiv:arXiv:1811.12907 [astro-ph.HE] [astro-ph.HE]. [6] R. Abbottet al.(LIGO Scientific, VIRGO), Phys. Rev. D109, 022001 (2024), arXiv:2108.01045 [gr-qc]. [7] R. Abbottet al.(KAGRA, VIRGO, LIGO Scientific), Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr- qc]. [8] \"GWTC-4.0: Updating the Gravitational-Wave Tran- sient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run,\""},{"citing_arxiv_id":"2604.07456","ref_index":55,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Second-Generation Mass Peak in the Gravitational-Wave Population as a Probe of Globular Clusters","primary_cat":"astro-ph.HE","submitted_at":"2026-04-08T18:00:38+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Dynamical formation in globular clusters produces a robust second black-hole mass peak at ~70 solar masses from second-generation mergers when the first-generation spectrum is truncated by pair-instability supernovae.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"A. Callister and W. M. Farr, Parameter-Free Tour of the Binary Black Hole Population, Phys. Rev. X14, 021005 (2024), arXiv:2302.07289 [astro-ph.HE]. [54] S. Afroz and S. Mukherjee, Phase space of binary black holes from gravitational wave observations to unveil its formation history, Phys. Rev. D112, 023531 (2025), arXiv:2411.07304 [astro-ph.HE]. [55] B. P. Abbott, R. Abbott, T. D. Abbott, S. Abraham, F. Acernese, K. Ackley, C. Adams, R. X. Adhikari, V. B. Adya, C. Affeldt,et al., GWTC-1: A Gravitational- Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Sec- ond Observing Runs, Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [56] R. Abbott, T."},{"citing_arxiv_id":"2604.07302","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Gravitational wave signal and noise response of an optically levitated sensor in a Fabry-P\\'erot cavity","primary_cat":"gr-qc","submitted_at":"2026-04-08T17:11:22+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A general relativistic derivation of gravitational wave response in an optically levitated cavity sensor reveals position-dependent strain sensitivity and suppressed input-mirror noise coupling.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs, Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [2] R. Abbottet al.(LIGO Scientific, Virgo), GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run, Phys. Rev. X11, 021053 (2021), arXiv:2010.14527. [3] R. Abbottet al.(KAGRA, VIRGO, LIGO Scien- tific), GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the Third Observing Run, Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [4] A. G. Abacet al.(LIGO Scientific, KAGRA, VIRGO), GWTC-4.0: An Introduction to Version 4.0 of the Gravitational-Wave Transient Catalog, Astrophys."},{"citing_arxiv_id":"2604.07388","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"GW190711_030756 and GW200114_020818: astrophysical interpretation of two asymmetric binary black hole mergers in the IAS catalog","primary_cat":"astro-ph.HE","submitted_at":"2026-04-08T05:45:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Two asymmetric BBH mergers are characterized with mass ratios 0.35 and ≤0.20; one shows high spins, negative χ_eff, and strong precession, suggesting an emerging population of massive rapidly spinning systems.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"Grav.27, 084006 (2010). [2] F. Acerneseet al.(VIRGO), \"Advanced Virgo: a second- generation interferometric gravitational wave detector,\" Class. Quant. Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [3] T. Akutsuet al.(KAGRA), \"Overview of KAGRA: Detector design and construction history,\" PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [4] B. P. Abbottet al.(LIGO Scientific, Virgo), \"GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs,\" Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [5] R. Abbottet al.(LIGO Scientific, Virgo), \"GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During"},{"citing_arxiv_id":"2604.06312","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Black Hole-Boson Star Binaries: Gravitational Wave Signals and Tidal Disruption","primary_cat":"gr-qc","submitted_at":"2026-04-07T18:00:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Numerical simulations of black hole-boson star binaries show that scalar self-interactions can suppress tidal disruption while radiative efficiency depends on the chosen potential.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"projects ACTP284 and ACTP238, STFC capital Grants Nos. ST/P002307/1, ST/R002452/1, ST/I006285/1 and ST/V005618/1, STFC operations Grant No. ST/R00689X/1. Computations were done on the CSD3, Swirles and Fawcett (Cambridge), Cosma (Durham), Stampede3 (TACC) and Expanse (SDSC) clusters. [1] B. P. Abbottet al., Phys. Rev. Lett.116, 061102 (2016), arXiv:1602.03837 [gr-qc]. [2] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [3] R. Abbottet al.(KAGRA, VIRGO, LIGO Scientific), Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr- qc]. [4] T. L. S. Collaboration, the Virgo Collaboration, and the KAGRA Collaboration, \"Gwtc-4.0: Updating the gravitational-wave transient catalog with observations"},{"citing_arxiv_id":"2604.06053","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Probing Kerr Symmetry Breaking with LISA Extreme-Mass-Ratio Inspirals","primary_cat":"gr-qc","submitted_at":"2026-04-07T16:41:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"LISA EMRIs can constrain deviations from Kerr equatorial symmetry to 10^{-2} and axial symmetry to 10^{-3} using Analytic Kludge waveforms and Fisher analysis.","context_count":1,"top_context_role":"background","top_context_polarity":"unclear","context_text":"+ 10653e 8 ,(C24) fe,O+,2(e) = 4864 + 12077e2 + 7676e4 + 815e6 ,(C25) fe,O+,3(e) = 8808 + 63104e 2 + 121051e4 + 12358e6 −893e 8 ,(C26) fe,O+,4(e) = 4864 + 12077e2 + 7676e4 + 815e6 .(C27) [1] B. P. Abbottet al.(LIGO Scientific, Virgo), Obser- vation of Gravitational Waves from a Binary Black Hole Merger, Phys. Rev. Lett.116, 061102 (2016), arXiv:1602.03837 [gr-qc]. [2] B. P. Abbottet al.(LIGO Scientific, Virgo), GWTC- 1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs, Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [3] R. Abbottet al.(LIGO Scientific, VIRGO), GWTC-2.1: Deep extended catalog of compact binary coalescences"},{"citing_arxiv_id":"2604.04546","ref_index":68,"ref_count":1,"confidence":0.9,"is_internal_anchor":true,"paper_title":"Recoil kicks from binary black hole mergers in GWTC catalogs: implications for retention and hierarchical mergers","primary_cat":"astro-ph.HE","submitted_at":"2026-04-06T09:13:33+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":"Chandra, \"GW190412: measuring a black-hole recoil direc- tion through higher-order gravitational-wave modes,\" (2022), arXiv:2211.03465 [gr-qc]. [67] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), \"GWTC- 4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo- KAGRA Observing Run,\" (2025), arXiv:2508.18082 [gr-qc]. [68] B. P. Abbottet al.(LIGO Scientific, Virgo), \"GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs,\" Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [69] R. Abbottet al.(LIGO Scientific, Virgo), \"GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the"},{"citing_arxiv_id":"2603.03849","ref_index":2,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Nuclear matter properties and neutron star structures from an extended linear sigma model","primary_cat":"nucl-th","submitted_at":"2026-03-04T09:02:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"An extended linear sigma model with delta meson and negative sigma_piN produces a symmetry-energy plateau and stiffer EOS that satisfies neutron-star and nuclear constraints.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2602.11282","ref_index":9,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Measurement prospects for the pair-instability mass cutoff with gravitational waves","primary_cat":"astro-ph.HE","submitted_at":"2026-02-11T19:00:22+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Simulations show a 40-50 solar-mass black-hole cutoff is not guaranteed to be confidently recovered from GWTC-4-like catalogs, spurious detections are unlikely, and O4 data would reduce cutoff-mass uncertainty by at least 20 percent while yielding only a lower bound on the carbon-alpha reaction rate","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(2015), arXiv:1408.3978 [gr-qc]. [5] T. Akutsuet al., PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [6] B. P. Abbottet al., Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [7] R. Abbottet al., Phys. Rev. X11, 021053 (2021), arXiv:2010.14527 [gr-qc]. [8] R. Abbottet al., Phys. Rev. D109, 022001 (2024), arXiv:2108.01045 [gr-qc]. [9] R. Abbottet al., Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [10] A. G. Abacet al., arXiv:2508.18082 [gr-qc] (2025). [11] M. Mapelli, Front. Astron. Space Sci.7, 38 (2020), arXiv:2105.12455 [astro-ph.HE]. [12] M. Mapelli, inHandbook of Gravitational Wave Astron- omy(Springer, Singapore, 2020) pp. 1-65. [13] I. Mandel and F. S. Broekgaarden, Living Rev."},{"citing_arxiv_id":"2602.11030","ref_index":3,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Population Properties of Binary Black Holes with Eccentricity","primary_cat":"astro-ph.HE","submitted_at":"2026-02-11T16:55:29+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"First joint population inference on binary black hole eccentricity from GWTC-4 bounds the eccentric branching ratio below 5% at 90% confidence, with results consistent with quasi-circular models but highly model-dependent.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2601.18835","ref_index":4,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Beyond FINDCHIRP: Breaking the memory wall and optimal FFTs for Gravitational-Wave Matched-Filter Searches with Ratio-Filter Dechirping","primary_cat":"astro-ph.IM","submitted_at":"2026-01-25T20:45:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Ratio-Filter Dechirping converts gravitational-wave matched filtering from a memory-bound FFT into a cache-efficient FIR convolution, delivering a measured 8x speedup in the core loop.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2601.09607","ref_index":2,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Confronting eikonal and post-Kerr methods with numerical evolution of scalar field perturbations in spacetimes beyond Kerr","primary_cat":"gr-qc","submitted_at":"2026-01-14T16:30:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Numerical simulations benchmark the eikonal and post-Kerr approximations for quasinormal modes in deformed Kerr spacetimes, quantifying their errors relative to expected observational precision.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.17786","ref_index":3,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Quasinormal modes of rotating black holes beyond general relativity in the WKB approximation","primary_cat":"gr-qc","submitted_at":"2025-12-19T16:57:57+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Higher-order WKB accurately computes quasinormal mode frequencies for rotating black holes beyond general relativity, with errors below current GW measurement precision for GW250114.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.15242","ref_index":2,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Massive boson stars: Stability and GW emission in head-on mergers","primary_cat":"gr-qc","submitted_at":"2025-12-17T09:42:37+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.09978","ref_index":64,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Gravitational-wave parameter estimation to the Moon and back: massive binaries and the case of GW231123","primary_cat":"gr-qc","submitted_at":"2025-12-10T19:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"LGWA could observe more than one third of known binary black hole events, detect ~90 mergers per year, and measure chirp mass better than third-generation detectors for massive systems.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.14047","ref_index":73,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Exact, non-singular black holes from a phantom DBI Field as primordial dark matter","primary_cat":"gr-qc","submitted_at":"2025-11-18T01:52:43+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Exact non-singular black holes from the phantom DBI field evaporate to gram-mass relics, opening a new mass window for primordial black holes as dark matter.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.22698","ref_index":13,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"A new group of low-spin $50-70M_\\odot$ Black Holes and the high pair-instability mass cutoff","primary_cat":"astro-ph.HE","submitted_at":"2025-10-26T14:48:06+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.19047","ref_index":39,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Global time-frequency search for stellar-mass binary black holes in LISA","primary_cat":"gr-qc","submitted_at":"2025-10-21T20:04:46+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"A time-frequency semi-coherent search pipeline detects stellar-mass BBH inspirals in LISA data down to coherent SNR of approximately 11-14 on the Yorsh data challenge for aligned-spin, low-eccentricity systems.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.17967","ref_index":86,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Scalar fields around black hole binaries in LIGO-Virgo-KAGRA","primary_cat":"gr-qc","submitted_at":"2025-10-20T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Semi-analytic waveform model for scalar environments around black hole binaries is validated against numerical relativity and applied to LIGO-Virgo-KAGRA data to obtain upper limits on scalar densities with tentative evidence in GW190728.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"02076 [astro-ph.IM]. [84] T. Ikeda, L. Bernard, V. Cardoso, and M. Zilhão, Black hole binaries and light fields: Gravitational molecules, Phys. Rev. D103, 024020 (2021), arXiv:2010.00008 [gr- qc]. [85] S. Xin and E. R. Most, Relativistic scalar dark mat- ter drag forces on a black hole binary, arXiv e-prints , arXiv:2507.18934 (2025), arXiv:2507.18934 [gr-qc]. [86] B. P. Abbottet al.(LIGO Scientific, Virgo), GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs, Phys. Rev. X9, 031040 (2019), arXiv:1811.12907 [astro-ph.HE]. [87] R. Abbottet al.(LIGO Scientific, Virgo), GWTC-2: Compact Binary Coalescences Observed by LIGO and"}],"limit":50,"offset":0}