This paper presents a theoretical model where quarks can exist at different energy levels that influence the internal resonance and coherence properties of nucleons. The model suggests that subtle resonance-based modulations at the subnucleonic level can give rise to atomic property variability beyond traditional isotope classification. These variations are not attributed to changes in quark flavor or mass but to differences in internal field coherence, dielectric response, and unifying-resonance coupling. Experimental implications include isotope anomalies, nuclear decay asymmetries, and subtle shifts in spectral or magnetic profiles.
Bent R. Pettersen (Thu,) studied this question.