{"total":60,"items":[{"citing_arxiv_id":"2606.31364","ref_index":41,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Establishing Compactness as a Population Observable in Gravitational-Wave Astronomy","primary_cat":"gr-qc","submitted_at":"2026-06-30T08:58:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Hierarchical analysis of GWTC-3 yields C_eff = 0.5^{+0.3}_{-0.1} consistent with black holes and limits low-compactness exotic binary merger rate to <0.7 Gpc^{-3} yr^{-1}.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.31350","ref_index":50,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Compactness Inference in Gravitational-Wave Mergers with PhenomDECO: Catalog Benchmarks and Robustness Diagnostics","primary_cat":"gr-qc","submitted_at":"2026-06-30T08:47:30+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"PhenomDECO analysis of GWTC-3 events finds all considered signals consistent with binary black holes once low-frequency noise effects are addressed via higher starting frequencies.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.30144","ref_index":7,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Joint population and strong-lensing inference for resolved gravitational-wave events probes the black-hole merger rate beyond the peak of star formation","primary_cat":"astro-ph.HE","submitted_at":"2026-06-29T11:21:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Joint strong-lensing and population inference on resolved gravitational-wave events finds no lensed events and tightens constraints on the black-hole merger rate peak redshift and high-redshift tail.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"As the strain amplitude is inversely proportional to lumi- nosity distance, the apparent distanceD ′ underestimates the true distanceD= √µD′ if lensing is not accounted for. With cosmological redshiftz(D) =z( √µD′) in the measured detector-frame massm ′ [3], the source mass m=m ′/[1 +z( √µD′)] would thus be overestimated. The LIGO-Virgo-KAGRA (LVK) [4-6] catalog has over 250 detections [7] without confident lensing evi- dence through GWTC-4 [8, 9], consistent with predic- tions [10-12]. A possible exception is signal distortion in GW231123 135430 (henceforth GW231123), which has large source masses and spins [13]; waveform systemat- ics may indicate unmodeled physics [14-19] such as lens- ing [20-27], but are also expected [28]. The lack of detection does not preclude the existence of"},{"citing_arxiv_id":"2606.28156","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Joint inference of line-of-sight acceleration and orbital eccentricity in neutron-star--black-hole binaries","primary_cat":"gr-qc","submitted_at":"2026-06-26T14:52:41+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"All five NSBH events are consistent with zero line-of-sight acceleration; the joint posterior for GW200105_162426 disfavors both zero LOSA and zero eccentricity at 90% credibility.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"Observation of Gravitational Waves from a Binary Black Hole Merger,Phys. Rev. Lett.116(2016) 061102 [1602.03837]. [5] LIGO Scientific, Virgocollaboration, B. P. Abbott et al., 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 (2019) 031040 [1811.12907]. [6] LIGO Scientific, Virgocollaboration, R. Abbott et al., GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run, Phys. Rev. X11(2021) 021053 [2010.14527]. [7] LIGO Scientific, VIRGO collaboration, R. Abbott et al., GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first"},{"citing_arxiv_id":"2606.12792","ref_index":56,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Identification of Lensed Gravitational-Wave Beat Patterns by LISA","primary_cat":"astro-ph.CO","submitted_at":"2026-06-11T01:23:17+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Strong lensing of MBHBs produces identifiable beat patterns in about 7% of detectable two-image LISA events, with Bayesian inference recovering time delay and magnification parameters.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.12205","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Evidence for additional structure in the effective spin distribution hints at multiple formation pathways in GWTC-5.0","primary_cat":"astro-ph.HE","submitted_at":"2026-06-10T15:21:46+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"GWTC-5.0 analysis finds evidence for structure beyond a non-skewed Gaussian bulk in χ_eff, with suggestive mass-dependent excess of positive over negative spins outside the bulk at 13:1 odds in one mass bin.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.11380","ref_index":7,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Quasinormal modes and tidal responses of black holes in generic anisotropic matter environments","primary_cat":"gr-qc","submitted_at":"2026-06-09T19:04:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A perturbative framework for black holes in anisotropic matter shows quasinormal modes dominated by gravitational redshift while tidal Love numbers exhibit order-unity deviations including vanishing and negative values.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.08838","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Line-of-sight acceleration in compact binaries with higher harmonics and eccentricity","primary_cat":"gr-qc","submitted_at":"2026-06-07T21:06:20+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Implements consistent line-of-sight acceleration corrections in quasi-circular and eccentric GW waveform models, applies them to GWTC-3 events, and reports no substantial evidence for acceleration while warning of bias from inconsistent harmonic treatment.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.07679","ref_index":11,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"PyCBC Live Search for Compact Binary Mergers in Advanced LIGO and Virgo's Fourth Observing Run","primary_cat":"astro-ph.IM","submitted_at":"2026-06-04T20:44:12+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"PyCBC Live for O4 adds time-dependent background modeling, early warning search, and improved autogating, delivering sensitivity gains of 1.7-2.3x for coincident searches in mock data challenges.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.03346","ref_index":84,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Model-Independent Search Discards Faint Lensed-Pairs of Gravitational Wave Events in the Sub-Threshold Candidates of GWTC-4","primary_cat":"gr-qc","submitted_at":"2026-06-02T08:57:26+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A cross-correlation search of ~11,000 event pairs in GWTC-4 including sub-threshold candidates finds no lensed GW pairs above 3σ, setting an upper bound of ≤1.5/yr on the lensing rate.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.28716","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":1,"top_context_role":"background","top_context_polarity":"background","context_text":"The detection, or absence, of eccentricity in GW obser- vations therefore provides a direct handle on the fraction of compact binaries originating from dynamical formation chan- nels [36]. * lorenzo.pompili@nottingham.ac.uk † aldo.gamboa@aei.mpg.de ‡ alessandra.buonanno@aei.mpg.de While the masses and spins of compact binaries have been routinely measured since the first detection [4], eccentricity has only recently come within reach as an observational target. This has been made possible by sustained progress in model- ing GWs from binaries in eccentric orbits [37-66], which pro- vide waveform templates to search for eccentricity signatures via Bayesian parameter estimation (PE). Building on these models, several inference studies have investigated the pres-"},{"citing_arxiv_id":"2605.27500","ref_index":46,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Constraining Gravitational Wave Memory with Hierarchical Inference","primary_cat":"gr-qc","submitted_at":"2026-05-26T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Hierarchical Bayesian inference on GWTC-5.0 constrains the memory enhancement factor to 0.26 with large uncertainties consistent with the GR value of 1 and forecasts that 2000 detections are needed for a 1σ constraint away from zero.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.21955","ref_index":11,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"On the Presence of a Tertiary Compact Object in GW190814","primary_cat":"gr-qc","submitted_at":"2026-05-21T03:40:56+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Extended-data Bayesian reanalysis of GW190814 finds no evidence for tertiary-induced line-of-sight acceleration or residual eccentricity due to strong degeneracy between the two effects.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.21310","ref_index":57,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Contrastive self-supervised convolutional autoencoder for core-collapse supernova gravitational-wave detection","primary_cat":"gr-qc","submitted_at":"2026-05-20T15:37:58+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A contrastive self-supervised convolutional autoencoder detects core-collapse supernova gravitational waves with performance comparable to supervised CNNs, better generalization to unseen waveforms, and ~120 kpc sensitive distance under Einstein Telescope noise.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"based detector network, including LIGO [51], Virgo [52], and KAGRA [53], has firmly established the detec- tion of compact-binary coalescences and has progres- sively improved its sensitivity across successive observ- ing runs [54]. Beyond these realized detections, next- generation ground-based observatories, such as ET [55, 56] and Cosmic Explorer (CE) [57, 58], are expected to substantially enlarge the accessible source volume and improve the prospects for detecting weak or rare tran- sient sources [59, 60]. This expected expansion of the ob- servable transient population motivates detection meth- ∗ Corresponding author; zhangxin@neu.edu.cn ods that are not limited to well-modeled, phase-coherent chirp signals [61-63]."},{"citing_arxiv_id":"2605.20112","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"2605.19153","ref_index":43,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"2605.15271","ref_index":28,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Polarization Analysis of Ringdown Signals","primary_cat":"gr-qc","submitted_at":"2026-05-14T18:00:02+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Constrained polarization model for Kerr ringdown modes enables inclination inference from two-detector data for non-precessing mergers but introduces biases when applied to precessing systems.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.15160","ref_index":14,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"N-body next-to-leading order gravitational spin-orbit interaction via effective field theory","primary_cat":"gr-qc","submitted_at":"2026-05-14T17:53:26+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The NLO gravitational spin-orbit Hamiltonian for N spinning bodies is computed via PN-EFT, with only three-body diagrams new beyond the binary case, and the result matches the known ADM Hamiltonian up to canonical transformation.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"D(S µνpν)/dλ= 0, and using the Mathisson-Papapetrou equations givesp µ =mu µ/ √ u2 +O(S 2) [55]. Thus, this condition can equivalently be written, to the relevant or- der for the spin-orbit sector, asS µνuν = 0, or Sabebνuν = 0.(17) The Pryce-Newton-Wigner SSC [104, 105] is the flat- spacetime choice associated with canonical spin vari- ables. It was generalized to curved spacetime in [14, 106], and shown to give canonical variables at linear order in spin [106]. It can be written as [55] Sµν pν +me 0 ν \u0001 = 0.(18) 3. Power counting The PN counting of spin follows from the relation S∼mv rotrs, wherev rot is the rotational velocity of the compact body andr s ∼Gmits size. For maxi- mally rotating compact objects,v rot ≲1. In the inspiral"},{"citing_arxiv_id":"2605.12818","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Assessing the imprint of eccentricity in GW signatures using two independent waveform models","primary_cat":"astro-ph.HE","submitted_at":"2026-05-12T23:23:08+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Dual-model analysis of 162 GW sources disfavors eccentricity for most events but finds potential evidence in GW200129, GW231001, and GW231123.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"latter two events, the evidence for eccentricity is ambiguous, with different degrees of support from different waveforms. Consistent with previous work, we find conclusions obtained about GW200129 can be sensitive to analysis settings, as expected, given the nonstationary noise present. I. INTRODUCTION Since the discovery of GW150914 095045 by the Ad- vanced LIGO [1] and Virgo [2] detectors, now joined by KAGRA [3], the first four observing runs (referred to as O1, O2, O3, and O4) of the LIGO-Virgo-KAGRA (LVK) network by the LVK Collaboration have identified the characteristic gravitational-wave signature of more than O(≃200) coalescing compact binaries [4-7]. Indepen- dent analyses of the public data have also contributed to the candidate event census; see, e."},{"citing_arxiv_id":"2605.11703","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors","primary_cat":"gr-qc","submitted_at":"2026-05-12T07:58:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"The first informative astrophysical calibration of gravitational-wave detectors is reported using GW240925 and GW250207.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"These results establish astrophysical calibration as a com- plementary cross-check and, when required, a critical input to GW analysis. While not yet as precise as typical in-situ mea- surements, astrophysical calibration will improve as detector sensitivity continues to be enhanced. Detector calibration- GW detectors like LIGO [2], Virgo [3] and KAGRA [4] are enhanced Michelson interfer- 13 ometers that measure spacetime strain by detecting changes in light-travel time between their orthogonal arms [32, 33]. The detector output strain datadare defined as the free (un- controlled) differential change in arm length∆L free divided by arm lengthL, i.e.,d≡∆L free/L; however,∆L free is not directly measurable, as the detector actively suppresses dif-"},{"citing_arxiv_id":"2605.11274","ref_index":5,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"End-to-End Population Inference from Gravitational-Wave Strain using Transformers","primary_cat":"gr-qc","submitted_at":"2026-05-11T21:54:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Dingo-Pop uses a transformer to perform amortized, end-to-end population inference from GW strain data in seconds, bypassing per-event Monte Carlo sampling.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Fourth LIGO-Virgo-KAGRA Observing Run, (2025), arXiv:2508.18082 [gr-qc]. 6 [3] J. Aasiet al.(LIGO Scientific), Advanced LIGO, Class. Quant. Grav.32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [4] F. Acerneseet al.(VIRGO), Advanced Virgo: a second- generation interferometric gravitational wave detector, Class. Quant. Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [5] T. Akutsuet al.(KAGRA), Overview of KAGRA: Detec- tor design and construction history, PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [6] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), GWTC-4.0: Population Properties of Merging Compact Binaries, (2025), arXiv:2508.18083 [astro-ph.HE]. [7] R. Abbottet al.(LIGO Scientific, VIRGO, KAGRA),"},{"citing_arxiv_id":"2605.05362","ref_index":10,"ref_count":3,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Constraining Lorentz symmetry breaking in bumblebee gravity with extreme mass-ratio inspirals","primary_cat":"gr-qc","submitted_at":"2026-05-06T18:40:43+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"LISA can constrain the Lorentz symmetry breaking parameter ell in bumblebee gravity to O(10^{-4}) uncertainty via EMRI waveform analysis in the AAK framework.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [7] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.119, 161101 (2017), arXiv:1710.05832 [gr-qc]. [8] J. Aasiet al.(LIGO Scientific), Class. Quant. Grav.32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [9] F. Acerneseet al.(VIRGO), Class. Quant. Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [10] T. Akutsuet al.(KAGRA), PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [11] M. Punturoet al., Classical and Quantum Gravity27, 194002 (2010). [12] M. Evanset al., (2021), arXiv:2109.09882 [astro-ph.IM]. [13] V. Kalogeraet al., (2021), arXiv:2111.06990 [gr-qc]. [14] D. Reitzeet al., Bull. Am. Astron. Soc.51, 035 (2019), arXiv:1907.04833 [astro-ph."},{"citing_arxiv_id":"2605.00124","ref_index":4,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Merger remnant and eccentricity dynamics surrogates for eccentric nonspinning black hole binaries","primary_cat":"gr-qc","submitted_at":"2026-04-30T18:25:52+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Two new surrogate models, trained on NR simulations, predict remnant properties and eccentricity dynamics for nonspinning eccentric black hole binaries with q ≤ 4 and e < 0.23.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Rev. Lett.116, 061102 (2016), arXiv:1602.03837 [gr-qc]. [2] J. Aasiet al.(LIGO Scientific), \"Advanced LIGO,\" Class. Quant. Grav.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: Detec- tor design and construction history,\" PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [5] B. P. Abbottet al.(KAGRA, LIGO Scientific, VIRGO), \"Prospects for Observing and Localizing Gravitational- Wave Transients with Advanced LIGO, Advanced 14 Virgo and KAGRA,\" Living Rev. Rel.21, 3 (2018),"},{"citing_arxiv_id":"2604.27185","ref_index":46,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Agnostically decoding gravitational wave model deficiencies in GWTC-3","primary_cat":"gr-qc","submitted_at":"2026-04-29T20:36:13+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"No evidence for a mass-scale dependent model deficiency is found in the highest-SNR GWTC-3 events.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Motivated by population level inference of physical un- modelled effects from noisy GW data, we developed a new optimal frameworkSCoRein previous works [39, 40] and demonstrated its capability in measuring minute sig- nal from the data accessible from the LVK [41-44] and third generation detectors, such as Cosmic Explorer[45] and Einstein Telescope[46], using simulated GW data. arXiv:2604.27185v1 [gr-qc] 29 Apr 2026 2 TheSCoReframework aims to constrain deviations from the waveform and noise models used in GW parameter inference, assuming only that any residual power due to the deviation is coherent between detectors. This allows making minimal assumptions on the strain model, a par- ticularly important feature to enable combining a pop-"},{"citing_arxiv_id":"2604.26581","ref_index":8,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"With plans for the construction of a fifth detector in LIGO India [5, 6], this global expansion and improvement in detector sensitivity will lead to an ever-increasing rate of detections [7]. As of the end of the first part of the fourth observing run (O4a), 218 compact binary coalescences have been found that have a probability of astrophysical origin greater than 0.5 [8]. As both the detector network and number of observations grow, the likelihood of observing signals coincident in three, four or even five detectors will rise, necessitating search methods capable of simultaneous, global-network analysis. The first step is to confidently detect these signals, which are hidden within detector data that is dominated"},{"citing_arxiv_id":"2604.22441","ref_index":9,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"How lonely are the Binary Compact Objects Detected by the LIGO-Virgo-KAGRA Collaboration?","primary_cat":"astro-ph.HE","submitted_at":"2026-04-24T10:59:12+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"No three-body encounter signatures detected in GW170817, GW190814, and GW230627_015337, constraining intermediate-mass black holes above 100 solar masses within roughly 0.1 AU of these binaries.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(KAGRA), Overview of KAGRA: De- tector design and construction history, PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [8] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), GWTC-4.0: Updating the Gravitational-Wave Tran- sient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run, (2025), arXiv:2508.18082 [gr-qc]. [9] A. G. Abacet al.(LIGO Scientific, Virgo, KAGRA), GW250114: Testing Hawking's Area Law and the Kerr Nature of Black Holes, Phys. Rev. Lett.135, 111403 (2025), arXiv:2509.08054 [gr-qc]. 21 [10] A. G. Abacet al.(LIGO Scientific, Virgo, KAGRA), Black Hole Spectroscopy and Tests of General Relativity with GW250114, Phys. Rev. Lett.136, 041403 (2026),"},{"citing_arxiv_id":"2604.17868","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"next generation of gravitational wave detectors,\" Class. Quant. Grav.27, 084006 (2010). [2] J. Aasiet al.(LIGO Scientific), \"Advanced LIGO,\" Class. Quant. Grav.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."},{"citing_arxiv_id":"2604.17610","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Parameter Estimation of the Gravitational-Wave Angular Power Spectrum in the Dirty-Map Space","primary_cat":"gr-qc","submitted_at":"2026-04-19T20:51:53+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A dirty-map space inference method allows recovery of SGWB angular power spectrum parameters from LIGO O3 simulations for strong signals in auto- and cross-correlation searches up to ℓ_max=10.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"ing run,\" (2025), arXiv:2508.18082 [gr-qc]. [6] M. Maggiore, Phys. Rep.331, 283 (2000). [7] C. Wu, V. Mandic, and T. Regimbau, Phys. Rev. D85, 104024 (2012). [8] X.-J. Zhu, E. J. Howell, D. G. Blair, and Z.-H. Zhu, Mon. Not. R. Astron Soc.431, 882 (2013). [9] V. Ferrari, S. Matarrese, and R. Schneider, Monthly Notices of the Royal Astronomical Society303, 247-257 (1999). [10] X.-J. Zhu, E. Howell, and D. Blair, Mon. Not. R. Astron Soc.409, L132 (2010). [11] X.-J. Zhu, X.-L. Fan, and Z.-H. Zhu, Astrophys. J.729, 59 (2011). [12] P. D. Lasky, Publications of the Astronomical Society of Australia32(2015), 10.1017/pasa.2015.35. [13] T. W. B. Kibble, Journal of Physics A Mathematical General9, 1387 (1976). [14] X. Siemens, V."},{"citing_arxiv_id":"2604.15885","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"statistics, such as identification of exceptional events from previous and ongoing observing runs. Using the latest LIGO-Virgo-KAGRA data, we thus demonstrate that population inference is not optional to interpret gravitational-wave observations. Pitfalls of parameter estimation-Gravitational- wave (GW) signals observed by the LIGO [1], Virgo [2], and KAGRA [3] (LVK) interferometers are used to mea- sure the properties of their source compact-object merg- ers. Within a Bayesian framework, posterior distribu- tions are inferred for each GW event independently [4-8]. The reference priors used are unphysical (e.g., a uniform prior over detector-frame component masses) but chosen to simplify downstream reuse of posterior samples [9]."},{"citing_arxiv_id":"2604.14290","ref_index":46,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Emergent structure in the binary black hole mass distribution and implications for population-based cosmology","primary_cat":"gr-qc","submitted_at":"2026-04-15T18:00:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"B-spline agnostic reconstruction of binary black hole masses from GWTC-4.0 reveals multiple features and a logarithmic hierarchy that impacts Hubble constant measurements, with a low-mass subpopulation isolation method to mitigate systematics.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"nary Population Correlate with H0,\" Astrophys. J.980, 85 (2025), arXiv:2410.07416 [astro-ph.HE]. [44] J. Aasiet al.(LIGO Scientific), \"Advanced LIGO,\" Class. Quant. Grav.32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [45] F. Acerneseet al.(VIRGO), \"Advanced Virgo: a second- generation interferometric gravitational wave detector,\" Class. Quant. Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [46] T. Akutsuet al.(KAGRA), \"Overview of KAGRA: De- tector design and construction history,\" PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [47] B. P. Abbottet al.(KAGRA, LIGO Scientific, Virgo), \"Prospectsforobservingandlocalizinggravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA,\"LivingRev.Rel.19,1(2016),arXiv:1304."},{"citing_arxiv_id":"2604.13839","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Basilic: An end-to-end pipeline for Bayesian burst inference and model classification in gravitational-wave data","primary_cat":"gr-qc","submitted_at":"2026-04-15T13:10:22+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Basilic is an end-to-end Bayesian pipeline for gravitational-wave burst inference and model classification, with a case study showing signal degeneracies between binary black hole mergers and cosmic strings.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"threshold GW events where model selection alone might not be entirely satisfactory scientifically. [1] J. Aasiet al.(LIGO Scientific), Advanced LIGO, Class. Quant. Grav.32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [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: Detec- tor design and construction history, PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [4] R. Abbottet al.(KAGRA, VIRGO, LIGO Scientific), All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run, Phys. Rev. D104, 122004 (2021), arXiv:2107.03701 [gr-qc]."},{"citing_arxiv_id":"2604.13687","ref_index":13,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"VIGILant: an automatic classification pipeline for glitches in the Virgo detector","primary_cat":"gr-qc","submitted_at":"2026-04-15T10:09:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"VIGILant applies tree-based models and a ResNet CNN to classify Virgo O3b glitches with 98% accuracy and has been deployed for daily use with an interactive dashboard.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"P. Abbottet al.(LIGO Scientific Collaboration and Virgo Collaboration), Classical and Quantum Gravity 37, 055002 (2020), arXiv:1908.11170. [11] D. Daviset al., Classical and Quantum Gravity38, 135014 (2021), arXiv:2101.11673. [12] F. D. Renzo, \"Data quality overview after re- engaging Science mode,\"https://logbook.virgo- gw.eu/virgo/?r=64853(2024). [13] D. Davis, T. B. Littenberg, I. M. Romero-Shaw, M. Mill- house, J. McIver, F. Di Renzo, and G. Ashton, Classical and Quantum Gravity39, 245013 (2022), arXiv:2207.03429. [14] E. Cuoco, M. Cavagli` a, I. S. Heng, D. Keitel, and C. Messenger, Living Reviews in Relativity28, 2 (2025), 15 arXiv:2412.15046. [15] F. Robinet, N. Arnaud, N. Leroy, A. Lundgren,"},{"citing_arxiv_id":"2604.13580","ref_index":12,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Investigating the effect of sensitivity of KAGRA on sky localization of gravitational-wave sources from compact binary coalescences","primary_cat":"gr-qc","submitted_at":"2026-04-15T07:39:32+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"KAGRA enhances sky localization of binary neutron star mergers in the LVK network via added baselines, with measurable gains at current sensitivity and larger improvements as range reaches ~30 Mpc.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.07388","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"Ireland, Japan, Monaco, Poland, Portugal, Spain. [1] Gregory M. Harry (LIGO Scientific), \"Advanced LIGO: The next generation of gravitational wave detectors,\" Class. Quant. 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."},{"citing_arxiv_id":"2604.06090","ref_index":21,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Posterior Predictive Checks for Gravitational-wave Populations: Limitations and Improvements","primary_cat":"gr-qc","submitted_at":"2026-04-07T17:03:44+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Maximum-likelihood-based posterior predictive checks detect model misspecification better than event-level versions for uncertain spin tilts, but current detector sensitivity limits their power; the Gaussian Component Spins model underpredicts high spin magnitudes and overpredicts anti-aligned tilts","context_count":1,"top_context_role":"background","top_context_polarity":"unclear","context_text":"[18] T. A. Callister and W. M. Farr, Phys. Rev. X14, 021005 (2024), arXiv:2302.07289 [astro-ph.HE]. [19] A. Ray, I. Maga˜ na Hernandez, K. Breivik, and J. Creighton, Astrophys. J.991, 17 (2025), arXiv:2404.03166 [astro-ph.HE]. [20] J. Heinzel, M. Mould, S. 'Alvarez-L' opez, and S. Vitale, Phys. Rev. D111, 063043 (2025), arXiv:2406.16813 [astro-ph.HE]. [21] S. Alvarez-Lopez, J. Heinzel, M. Mould, and S. Vitale, arXiv:2506.20731 [astro-ph.HE] (2025). [22] E. Payne and E. Thrane, Phys. Rev. Res.5, 023013 (2023), arXiv:2210.11641 [astro-ph.IM]. [23] N. Guttman, E. Payne, P. D. Lasky, and E. Thrane, Astrophys. J.996, 144 (2026), arXiv:2509.09876 [astro- ph.HE]. [24] M. Isi, W. M. Farr, and K. Chatziioannou, Phys."},{"citing_arxiv_id":"2602.11282","ref_index":8,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"cutoff is not required to fit the data-only∼3% of sys- tems have component masses>45M ⊙. They also found evidence of an overdensity of sources with mass∼35M ⊙, possibly due to pulsational PISNe [38]; later work sug- gested this interpretation is disfavored or offered alterna- tive explanations [28, 39-42]. Ref. [16] analyzed the pop- ulation following the additions of events through GWTC- 3 [8, 9], finding that a strongly suppressed merger rate in the PISN mass gap is not required by the GW data, reflecting the addition of higher-mass detections. Independent analyses did find evidence for a PISN cut- off, however, starting from GWTC-2 [43, 44]. Ref. [45] then reanalyzed GWTC-3 with a simulation-based pop- ulation model accounting for both stellar-origin BHs and"},{"citing_arxiv_id":"2602.11030","ref_index":13,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"2602.05169","ref_index":11,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Searching for gravitational waves from compact binary mergers powering long gamma-ray bursts during LIGO-Virgo-KAGRA's O3 run","primary_cat":"astro-ph.HE","submitted_at":"2026-02-05T00:45:52+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"No coincident GW signals found with long GRBs in O3 run; luminosity distance limits set assuming binary merger powering.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2601.23230","ref_index":9,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Detectability of Gravitational-Wave Memory with LISA: A Bayesian Approach","primary_cat":"gr-qc","submitted_at":"2026-01-30T17:58:47+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Bayesian parameter estimation on simulated LISA data establishes conditions for detecting displacement memory in MBHB events and projects observation rates from population models.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2601.13173","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Plunge-Merger-Ringdown Tests of General Relativity with GW250114","primary_cat":"gr-qc","submitted_at":"2026-01-19T15:57:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"GW250114 data constrains GR deviations in merger amplitude to 10% and frequency to 4% at 90% CL, with first bounds on the (4,4) mode frequency at 6%.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2601.07908","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Signatures of a subpopulation of hierarchical mergers in the GWTC-4 gravitational-wave dataset","primary_cat":"gr-qc","submitted_at":"2026-01-12T19:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"GWTC-4 data show a transition to nearly all hierarchical mergers above 46 solar masses, with the hierarchical rate peaking at 15.7 solar masses, indicating mass-dependent substructure in black hole spins.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Aasiet al.(LIGO Scientific), Class. Quant. Grav.32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [7] E. Capoteet al., Phys. Rev. D111, 062002 (2025), arXiv:2411.14607 [gr-qc]. [8] S. Soniet al.(LIGO), Class. Quant. Grav.42, 085016 (2025), arXiv:2409.02831 [astro-ph.IM]. [9] F. Acerneseet al.(VIRGO), Class. Quant. Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [10] T. Akutsuet al.(KAGRA), PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [11] R. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.125, 101102 (2020), arXiv:2009.01075 [gr-qc]. [12] R. Abbottet al.(KAGRA, VIRGO, LIGO Scientific), Phys. Rev. X13, 011048 (2023), arXiv:2111.03634 [astro-ph.HE]. [13] B. Edelman, Z. Doctor, and B. Farr, Astrophys."},{"citing_arxiv_id":"2601.00169","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Isotropic stochastic gravitational wave background reconstruction for Taiji constellation","primary_cat":"astro-ph.CO","submitted_at":"2026-01-01T02:17:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"A trans-dimensional MCMC pipeline recovers parameters of injected SGWB signals in Taiji simulations and reconstructs backgrounds with unknown spectral shapes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.21392","ref_index":5,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Sensitivity of Weak Lensing Surveys to Gravitational Waves from Inspiraling Supermassive Black Hole Binaries","primary_cat":"astro-ph.CO","submitted_at":"2025-12-24T19:22:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Weak lensing surveys cannot detect nanohertz-microhertz gravitational waves from supermassive black hole binaries under realistic conditions; only unattainable idealized surveys could probe this band.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.17550","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GW231123: Overlapping Gravitational Wave Signals?","primary_cat":"gr-qc","submitted_at":"2025-12-19T13:13:49+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"GW231123 data favors an overlapping two-signal model over a single merger with Bayes factors of 100-10000, mitigating waveform-dependent discrepancies and suggesting possible gravitational lensing.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.10803","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Detection of GW200105 with a targeted eccentric search","primary_cat":"gr-qc","submitted_at":"2025-12-11T16:46:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Targeted eccentric search detects GW200105 with SNR 13.4 and FAR <1/1000 yr, consistent with dynamical formation of the NSBH binary.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.21488","ref_index":9,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Bayesian analysis of the complex singlet model with phase transition gravitational waves","primary_cat":"hep-ph","submitted_at":"2025-11-26T15:21:11+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Bayesian forecasts for the Taiji detector constrain complex singlet model parameters through electroweak phase transition gravitational wave signals.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.00996","ref_index":9,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Measuring gravitational wave spectrum from electroweak phase transition and Higgs self-couplings","primary_cat":"hep-ph","submitted_at":"2025-11-02T16:07:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Frequency-domain simulations of the Taiji mission, including noise and foregrounds, demonstrate that the stochastic gravitational wave background from an electroweak phase transition can constrain Higgs cubic and quartic self-couplings in a singlet-extended Standard Model despite degeneracies.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.19047","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":74,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"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":"background","top_context_polarity":"background","context_text":"(KAGRA, LIGO Scientific, Virgo), Prospects for observing and localizing gravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA, Living Rev. Rel.19, 1 (2016), arXiv:1304.0670 [gr-qc]. [73] F. Acerneseet al.(Virgo), Virgo detector characteriza- tion and data quality: results from the O3 run, Class. Quant. Grav.40, 185006 (2023), arXiv:2210.15633 [gr- qc]. [74] T. Akutsuet al.(KAGRA), Overview of KAGRA: Detec- tor design and construction history, PTEP2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [75] A. Buikemaet al.(aLIGO), Sensitivity and performance of the Advanced LIGO detectors in the third observing run, Phys. Rev. D102, 062003 (2020), arXiv:2008.01301 [astro-ph.IM]. [76] A. G. Abacet al."},{"citing_arxiv_id":"2510.04332","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Biased parameter inference of eccentric, spin-precessing binary black holes","primary_cat":"gr-qc","submitted_at":"2025-10-05T19:29:41+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Eccentric BBH signals recovered with quasi-circular precessing models show biases in chirp mass and χ_p; Bayes factors favor eccentric aligned-spin models when both eccentricity and precession are present.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"d only used for precessing spin recovery e only used for eccentric recovery TABLE III. Priors for parameters in various quasi-circular and eccentric recoveries. 10 [1] J. Aasiet al.(LIGO Scientific), Class. Quant. Grav.32, 074001 (2015), arXiv:1411.4547 [gr-qc]. [2] T. Akutsuet al.(KAGRA), PTEP2021, 05A101 (2020), arXiv:2005.05574 [physics.ins-det]. [3] F. Acerneseet al.(VIRGO), Class. Quant. Grav.32, 024001 (2015), arXiv:1408.3978 [gr-qc]. [4] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), (2025), arXiv:2508.18082 [gr-qc]. [5] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), (2025), arXiv:2508.18083 [astro-ph.HE]. [6] C. Kimball, C. Talbot, C. P. L. Berry, M. Zevin, E. Thrane, V. Kalogera, R. Buscicchio, M."}],"limit":50,"offset":0}