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.
Optimal cross-correlation technique to search for strongly lensed gravitational waves
2 Pith papers cite this work. Polarity classification is still indexing.
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gr-qc 2years
2026 2representative citing papers
Posterior Overlap 2.0 finds no lensed BBH pairs in O1–O4a (p_L < 0.6% for all pairs) and sets a 90% upper bound of 1.4% on the strong-lensing fraction.
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Model-Independent Search Discards Faint Lensed-Pairs of Gravitational Wave Events in the Sub-Threshold Candidates of GWTC-4
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.
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Search for strong lensing of gravitational waves in the binary black hole events from O1-O4a
Posterior Overlap 2.0 finds no lensed BBH pairs in O1–O4a (p_L < 0.6% for all pairs) and sets a 90% upper bound of 1.4% on the strong-lensing fraction.