Uncovers spectral corrections affecting grand unification parameters, indicating improved alignment with standard model predictions.
DESCRIPTION EN Ninth version of the Triptych-GUT programme. The unique dimensional calibration remains v_PDG = 246.220 GeV (from G_F, precision 0.26 ppm). V9 contributions relative to V8: (i) Conformal coupling H and BPS-Pell chain. The C2 closure derives the conformal coupling xi_H* = V_min/6 from the standard Pati-Salam NCG structure and the Pell duality g_Y*/g2L* = V_min. The BPS-Pell chain establishes delta_C/C_bare = -V_min/N_c^3 (conditionally composed). (ii) NNLO spectral correction. The Parker-Toms recursion da₂ₖ/d_xi = -12 a₂ₖ₋₂ on S^4 gives a_4(xi*) = -1/90 and da_6/d_xi|{xi*} = 2/15 (unprotected). The stationary point xi_eff = (30 - sqrt(30))/180 is the minimum of a_6. Universality of eta_PT = 1 - 28*sqrt(30)/705 in H_7 follows from [T{BL}, G] = 0 (7 verified commutators). NNLO spectral correction: epsilon = (7/6) eta_PT epsilon_0 = 1.3676 ppm. (iii) CKM sector. The spectral invariants of S_TC establish A_CKM = g_3^3 - 1, gamma = arccos(V_min(1-lambda^4)) = 65.6° (PDG agreement < 0.001°), alpha = pi - beta - gamma = 91.9°, and J = J_0 sin(pi/8). (iv) Conditional Galois raccord (GUT-568/569). The conjecture Delta_I_total = phi, with I_F_eff = 180*sqrt(5) - 37 in Q(sqrt(5)) interpreted as a zeta-regularised fermionic spectral weight, reduces the V1/V9 gap from 442 ppm to 1.33 ppm. The subsequent correction -epsilon_NNLO gives a final residual of 0.04 ppm, operationally zero against the current G_N uncertainty (approximately 22 ppm). DESCRIPTION FR Neuvième version du programme Triptyque-GUT. La calibration dimensionnelle unique reste v_PDG = 246.220 GeV (obtenue via G_F avec une précision de 0.26 ppm). Apports V9 par rapport à V8 : (i) Couplage conforme H et chaîne BPS-Pell. La fermeture C2 dérive le couplage conforme xi_H* = V_min/6 depuis la structure NCG standard de Pati-Salam et la dualité de Pell g_Y*/g2L* = V_min. La chaîne BPS-Pell établit delta_C/C_bare = -V_min/N_c^3 de manière conditionnelle composée. (ii) Correction spectrale NNLO. La récursion Parker-Toms da₂ₖ/d_xi = -12 a₂ₖ₋₂ sur S^4 donne a_4(xi*) = -1/90 et da_6/d_xi|{xi*} = 2/15 (non protégé). Le point stationnaire xi_eff = (30 - sqrt(30))/180 est le minimum de a_6. L’universalité du facteur eta_PT = 1 - 28*sqrt(30)/705 dans H_7 découle de [T{BL}, G] = 0 (7 commutateurs vérifiés). Correction spectrale NNLO : epsilon = (7/6) eta_PT epsilon_0 = 1.3676 ppm. (iii) Secteur CKM. Les invariants spectraux de S_TC établissent A_CKM = g_3^3 - 1, gamma = arccos(V_min(1-lambda^4)) = 65.6° (accord PDG à 0.001°), alpha = pi - beta - gamma = 91.9°, et J = J_0 sin(pi/8). (iv) Raccord galoisien conditionnel (GUT-568/569). La conjecture Delta_I_total = phi, avec I_F_eff = 180*sqrt(5) - 37 appartenant à Q(sqrt(5)) interprété comme poids spectral fermionique zêta-régularisé, réduit l’écart V1/V9 de 442 ppm à 1.33 ppm. La correction -epsilon_NNLO donne ensuite un résidu final de 0.04 ppm, opérationnellement nul devant l’incertitude sur G_N (environ 22 ppm).
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Yann NEDELEC (2026) studied this question.
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