The BBN Breakthrough · Paper 25

Paper 25 — The Weak-Sector Identity Pin — Quadratic Thermal Covariance, the Channel-Budget Equation, and the V-vs-V' Class-Membership Theorem

Quadratic Thermal Covariance and the channel-budget equation fix V = K_gauge on the weak-sector rate class. The v2.0 bundle aligns the BBN scorecard to Paper 24 v3.0 and records the R4/FIRAS non-entry audit.

If the theory is correct, the math will just work.

Short form

Paper 25 — The Weak-Sector Identity Pin

Closes the V-vs-V' class-membership problem for the weak-sector BBN dressing coefficient on H1-H3. The active v2.0 scorecard uses the Paper 24 v3.0 Pastore branch: D/H −0.66σ, Y_p +0.68σ, Li-7/H +0.52σ, with χ² = 1.17.

Bridge crossings

Helium-4 Abundance (Y_p) Deuterium Abundance (D/H)

This paper is grouped in the The BBN Breakthrough era and kept aligned to the live bridge map terminology used across the public site.

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