def
definition
def or abbrev
amplitudeS2
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formal statement (Lean)
67def amplitudeS2 (a_gauge a_scalar v s : ℝ) : ℝ :=
proof body
Definition body.
68 (a_gauge + a_scalar) * s ^ 2 / v ^ 4
69
70/-- Gauge-only amplitude (no scalar contribution): the dangerous
71 `s²/v⁴` growth. -/