What question did this study set out to answer?

To verify the brane-bulk UHECR transport mechanism using public cosmic-ray and neutrino catalogs.

June 12, 2026Open Access

Paper CXL: Multi-Messenger Confirmation of Brane-Bulk UHECR Transport — TA, Auger, IceCube, and KM3NeT Public Catalogs [CORRECTED VERSION — April 15, 2026: TA sump significance corrected from 5.66σ to 4.1σ; p-value 1.84×10II

Key Points

To verify the brane-bulk UHECR transport mechanism using public cosmic-ray and neutrino catalogs.
Analyzed cosmic-ray and neutrino events from TA, Auger, IceCube, and KM3NeT catalogs.
Evaluated event overdensities, geometrical blind spots, and isotropic distributions over a 7.5-year span.
Identified potential cosmic-ray sources and flux levels above expected thresholds.
TA reported a 72-event sump overdensity of 12 compared to an expected 2.76, p=1.84×10−5, 4.1σ.
Confirmed Auger sump geometric blind spot with 0 events out of 109 in a critical area.
Identified 12 candidate sources for KM3-230213A, all located 84–88° from the observed sump.

Abstract

Six verified tests of the brane-bulk UHECR transport mechanism using all available public cosmic-ray and neutrino catalogs. Key results: (1) TA 72-event sump overdensity: 12 vs 2.76 expected, p=1.84×10−5, 4.1σ CORRECTED from 5.66σ; (2) Auger sump geometric blind spot confirmed (max Dec=+38.3°, 0/109 events); (3) IceCube HESE 7.5yr sump isotropy: 4/3.9 events (P=0.65); (4) KM3-230213A source geometry: all 12 candidate sources 84–88° from sump; (5) KM3 flux 3× above cosmogenic band ceiling; (6) Auger PAO100528 (83 EeV, 2010) at 4.3° from PKS 0605-085 — confirmed multi-messenger history of the KM3 source. Pending: TA sump event coincident with KM3-230213A (Feb 13, 2023). Part of the One-Octonion Brane-Bulk Framework series. Anchor DOI: 10.5281/zenodo.19120873. Community: one-octonion-brane-bulk. Author: Bharathi Dasan Jagadeesan, M.D., University of Minnesota. ORCID: 0000-0002-1143-941X.

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