Registry · Definition
IV.D380
tau-effective
formalized
IV.D380 — Top–Up Exponent Duality on T²
β_u + β_t = 1/|lobes| = 1/2. Top (β_t=-5) and up (β_u=11/2) quarks related by reflection plus topological shift 1/|lobes|. Midpoint (β_u+β_t)/2 = 1/4 encodes lemniscate self-intersection parity.
Book IV
Part 5
Ch. 36