Registry · Definition
IV.D106
tau-effective
formalized
IV.D106 — Holonomy Correction Factor
The holonomy correction factor R(iota_tau) = alpha_em/alpha_spec = (15/8)*alpha_em/iota_tau^4 ~ 1.006 encodes the 0.6% refinement from fiber curvature and base-fiber coupling.
Book IV
Part 4
Ch. 29