def definition def or abbrev

`sin2_theta12_observed`

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

formal statement (Lean)

  45noncomputable def sin2_theta12_observed : ℝ := 0.307

Definition body.

  46
  47/-- The atmospheric mixing angle θ₂₃ ≈ 49° (sin²θ₂₃ ≈ 0.545). -/

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

TBM_correction_theta12 in IndisputableMonolith.StandardModel.PMNSMatrix decl_use