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def definition def or abbrev

b0_qcd

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formal statement (Lean)

  53noncomputable def b0_qcd (n_f : ℕ) : ℝ := 11 - 2 * n_f / 3

proof body

Definition body.

  54
  55/-- For the SM with n_f = 6: b₀ = 7 > 0 (asymptotic freedom). -/

used by (11)

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