def definition def or abbrev

`wolfenstein_eta`

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

formal statement (Lean)

  63noncomputable def wolfenstein_eta : ℝ := 0.35

proof body

Definition body.

  64
  65/-! ## The Wolfenstein Parametrization -/
  66
  67/-- The CKM matrix in Wolfenstein parametrization (to O(λ³)):
  68
  69     ⎛ 1 - λ²/2      λ           Aλ³(ρ - iη) ⎞
  70V =  ⎜   -λ        1 - λ²/2         Aλ²       ⎟
  71     ⎝ Aλ³(1-ρ-iη)   -Aλ²            1         ⎠
  72-/

used by (5)

From the project-wide theorem graph. These declarations reference this one in their body.

eta_bar_interval in IndisputableMonolith.StandardModel.CKMMatrix decl_use
eta_bar_pos in IndisputableMonolith.StandardModel.CKMMatrix decl_use
unitarity_triangle_valid in IndisputableMonolith.StandardModel.CKMMatrix decl_use
V_td in IndisputableMonolith.StandardModel.CKMMatrix decl_use
V_ub in IndisputableMonolith.StandardModel.CKMMatrix decl_use

depends on (3)

Lean names referenced from this declaration's body.

V in IndisputableMonolith.Cosmology.InflatonPotentialFromJCost decl_use
V in IndisputableMonolith.Foundation.SpectralEmergence decl_use
V in IndisputableMonolith.RRF.Core.Glossary decl_use