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def

V_cb_geom

definition
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module
IndisputableMonolith.Physics.CKMGeometry
domain
Physics
line
63 · github
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IndisputableMonolith.Physics.CKMGeometry on GitHub at line 63.

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  60noncomputable def V_ub_pred : ℝ := fine_structure_leakage
  61
  62/-- V_cb geometric ratio: 1/vertex_edge_slots = 1/24. -/
  63def V_cb_geom : ℚ := edge_dual_ratio
  64
  65/-- V_cb is the inverse of twice the total edge count (1/24). -/
  66noncomputable def V_cb_pred : ℝ := (V_cb_geom : ℝ)
  67
  68/-- V_us is the golden projection (torsion_overlap) minus a radiative correction. -/
  69noncomputable def V_us_pred : ℝ := torsion_overlap - cabibbo_radiative_correction
  70
  71/-! ## Geometric Derivation -/
  72
  73/-- V_cb derives from cube edge geometry: 1/(2 * 12) = 1/24. -/
  74theorem V_cb_from_cube_edges :
  75    V_cb_geom = 1 / (2 * cube_edges 3) := by
  76  simp only [V_cb_geom, edge_dual_ratio, cube_edges]
  77  norm_num
  78
  79/-! ## Verification Theorems -/
  80
  81/-- V_cb matches within 1 sigma.
  82
  83    pred = 1/24 ≈ 0.04166666...
  84    obs  = 0.04182
  85    err  = 0.00085
  86    |pred - obs| = |0.04166 - 0.04182| = 0.00016 < 0.00085 ✓
  87
  88    This is now PROVEN, not axiomatized. -/
  89theorem V_cb_match : abs (V_cb_pred - V_cb_exp) < V_cb_err := by
  90  simp only [V_cb_pred, V_cb_geom, V_cb_exp, V_cb_err, edge_dual_ratio]
  91  norm_num
  92
  93/-- Bounds on alpha needed for CKM proofs.