A Structured Reality Approach to Quark Ontology develops an evidence‑based argument that quarks are not structureless point particles but extended oscillatory loops whose vibrational modes generate the discrete signatures observed in high‑energy experiments. The manuscript begins strictly from measurable reality—detector behavior, resonance spectra, confinement, and the universal structural pattern observed across all resolvable scales—and derives the minimal generative mechanism consistent with all known quark‑level phenomena. The work formalizes an empirical axiom: every physically real generator of stable, repeatable effects possesses internal structure. Applying this axiom to quarks eliminates the point‑particle ontology, which leads to infinite regress or unmeasured exceptions, and instead identifies a looped oscillatory structure as the simplest finite generator compatible with evidence. The manuscript demonstrates how detector sampling, quantization, and localization create the appearance of pointlike particles even when the underlying entity is extended and oscillatory. Cross‑scale examples—including vortex loops, magnetic flux loops, superconducting flux tubes, polymer loops, and cosmic string analogs—show that continuous looped structures routinely produce discrete, particlelike events when observed at coarse resolution. The model yields testable predictions in hadron spectroscopy, deep inelastic scattering, high‑Q² form factors, and jet substructure, establishing it as an empirically falsifiable physical hypothesis. The manuscript further shows how three‑loop quark configurations generate baryons and how oscillatory boundary exchange between proton and neutron structures produces a regenerative energy cycle that sustains nucleonic stability. Finally, it argues that the mathematics of physics—harmonic analysis, differential equations, group theory, and topology—arises naturally from the behavior of oscillatory systems, linking physical structure and mathematical structure to a common generative origin. This work provides a coherent, empirically grounded alternative to point‑particle ontology and presents looped oscillatory strings as the foundational generators from which physical structure, physical law, and physical mathematics emerge.
James Reeves (Tue,) studied this question.