Paradigms and Scenarios for the Dark Matter Phenomenon

TL;DR

This paper challenges traditional dark matter paradigms by proposing a new approach that derives dark matter properties from galactic-scale observations, suggesting a direct interaction with Standard Model particles influences galaxy structures.

Contribution

It introduces a novel paradigm for dark matter research, emphasizing analysis of galactic mass distributions to infer dark matter properties and proposing a direct interaction with Standard Model particles.

Findings

Observational evidence suggests complex scaling laws in galaxy structures.

Traditional collisionless dark matter models may be insufficient.

A new paradigm implies a direct interaction shaping galaxy cores.

Abstract

Well known scaling laws among the structural properties of the dark and the luminous matter in disc systems are too complex to be arisen by two inert components that just share the same gravitational field. This brings us to critically focus on the 30-year-old paradigm, that, resting on a priori knowledge of the nature of Dark Matter (DM), has led us to a restricted number of scenarios, especially favouring the collisionless $\Lambda$ Cold Dark Matter one. Motivated by such observational evidence, we propose to resolve the dark matter mystery by following a new Paradigm: the nature of DM must be guessed/derived by deeply analyzing the properties of the dark and luminous mass distribution at galactic scales. The immediate application of this paradigm leads us to propose the existence of a direct interaction between Dark and Standard Model particles, which has finely shaped the inner regions of galaxies.