IV.T183 — Top Quark Mass from Fiber Amplitude at +7200 ppm

m_t = (17/5)·ι_τ⁻⁵·m_n = 173,932 MeV at +7200 ppm from PDG 172,690±300 MeV. Prefactor W₃(3)/W₃(4)=17/5 same as M_W; exponent −5=−(dim(τ³)+|lobes|)=−(3+2). Top is mirror of electron: β_t+β_e≈0.