What question did this study set out to answer?

This work aims to investigate potential sub-threshold signals in the XENONnT data that may reveal insights into dark matter.

February 12, 2026Open Access

Topological Interpretation of XENONnT Low-Energy Anomalies

Key Points

This work aims to investigate potential sub-threshold signals in the XENONnT data that may reveal insights into dark matter.
Proposes a theoretical framework using topological and metageometric models.
Suggests a minimal software adjustment for low-threshold signal analysis.
Explores the nature of low-amplitude phenomena in the photoelectron range.
Identifies unexplained anomalies including spatial clustering and photoionization variations.
Predicts the possibility of structured signals originating outside observable spacetime.
Establishes that no modification of existing hardware or data collection is necessary.

Abstract

The XENONnT experiment stands as one of the most precise scientific instruments ever built, having reached unprecedented sensitivity in the direct search for dark matter. While its primary WIMP program has yielded null results, several low-energy anomalies persist in published data, including unexplained photoionization variations, spatial clustering, and an unresolved tritium-like signature. This work proposes a complementary theoretical perspective that does not challenge the experimental design nor its scientific achievements. Instead, it explores the possibility that previously unexamined sub-threshold signals—currently filtered at the software level—may carry structured information relevant to fundamental physics. Within a topological and metageometric framework, particles are modeled not as elementary point-like objects, but as resonant structures emerging from causal injections originating outside observable spacetime. This approach predicts continuous low-amplitude phenomena in the 5–8 photoelectron range, a region currently excluded by XENONnT’s digitizer threshold. Crucially, the proposal requires no hardware modification, no new data taking, and no alteration of existing analysis pipelines. A minimal software adjustment—introducing a parallel low-threshold analysis channel—would allow the collaboration to test whether these signals are purely instrumental background or exhibit non-random spatial, temporal, or geometric correlations. If no structure is found, the result provides valuable empirical constraints on alternative dark-sector models. If patterns emerge, XENONnT may already possess the means to probe new aspects of reality beyond its original WIMP-focused mission. This document is intentionally presented as a conceptual and methodological roadmap, not as a claim of discovery. Experimental authority, interpretation, and final judgment remain entirely with the XENONnT collaboration. ------- Keywords: Dark matter • XENONnT • Liquid xenon detectors • Low-energy anomalies • Detection thresholds • Software audit • Topological physics • Alternative dark sector models • Metageometry • Particle ontology • Experimental falsifiability • Fundamental physics • Open Science

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