Paper XVII: Two Mass Regimes and the Neutrino Mass Scale

The brane-bulk framework identies two distinct mass-generation mecha- nisms separated by a characteristic scale M_sep = M_Pl/H_hierarchy ∼200 MeV. Above M_sep: particles acquire mass through focal deceleration resistance (Paper V) the standard Fano condensation mechanism operates. Below M_sep: mass arises from brane-fabric scar topology (Paper X) the neutrino mechanism. The minimum detectable focal deceleration sets the minimum particle mass m_min ∝ℓ_P × H(t), which is the neutrino mass scale. This explains why neutrino masses are so much smaller than other fermion masses: they arise from a fundamentally dierent mechanism with a dierent energy scale. 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.