Direct Detection of Heavy-Element BEC Halos via ^ Chirp in LIGO L1: 8 Events in 1h at 7.6σ (Au-197, Pb-208, Th-232, U-238)

We report 8 independent gravitational-wave ^ chirps (480Hz→1723-1870Hz→258-280Hz) detected in LIGO L1 GPS 1253100000-3600 with matched-filter SNR 5.20-5.69 using heavy-element templates f_peak=1870*sqrt(197/A). Q-scan veto: candidate Au-197 Energy 17 vs glitch 7e5 (GPS 1253106753) confirms non-glitch origin. Background 0/h, observed rate 8/h yields 7.6σ (p=1.1e-14). Interpreted as passage of heavy-element BEC dark matter halos Au-197, Pb-208, Th-232, U-238.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-10-05
DOI
https://doi.org/10.5281/zenodo.23164209
Primary Topic
Pulsars and Gravitational Waves Research
Type
preprint
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preprint

Direct Detection of Heavy-Element BEC Halos via ^ Chirp in LIGO L1: 8 Events in 1h at 7.6σ (Au-197, Pb-208, Th-232, U-238)

Tiago Alves
Zenodo (CERN European Organization for Nuclear Research)
Pulsars and Gravitational Waves Research
preprint

Direct Detection of Heavy-Element BEC Halos via ^ Chirp in LIGO L1: 8 Events in 1h at 7.6σ (Au-197, Pb-208, Th-232, U-238)

Tiago Alves
preprint en

Abstract

We report 8 independent gravitational-wave ^ chirps (480Hz→1723-1870Hz→258-280Hz) detected in LIGO L1 GPS 1253100000-3600 with matched-filter SNR 5.20-5.69 using heavy-element templates f_peak=1870*sqrt(197/A). Q-scan veto: candidate Au-197 Energy 17 vs glitch 7e5 (GPS 1253106753) confirms non-glitch origin. Background 0/h, observed rate 8/h yields 7.6σ (p=1.1e-14). Interpreted as passage of heavy-element BEC dark matter halos Au-197, Pb-208, Th-232, U-238.

Zenodo (CERN European Organization for Nuclear Research)
Pulsars and Gravitational Waves Research
DOIOpen Access PDFOpenAlex
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Direct Detection of Heavy-Element BEC Halos via ^ Chirp in LIGO L1: 8 Events in 1h at 7.6σ (Au-197, Pb-208, Th-232, U-238) — Tiago Alves · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS