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def definition def or abbrev

ckm_cp_phase

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formal statement (Lean)

 269noncomputable def ckm_cp_phase : ℝ := Real.pi / 2

proof body

Definition body.

 270
 271/-- **Geometric Origin of Jarlskog Invariant**
 272    The Jarlskog invariant J_CP is the geometric area of the unitarity triangle,
 273    forced by the cube topology and the fine-structure leakage.
 274    J = s12 s23 s13 c12 c23 c13 sin δ
 275    Approximated geometrically as:
 276    J ≈ (1/24) * (α/2) * (φ⁻³) * sin(π/2) -/

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