import QFD.Nuclear.YukawaDerivation

/-!
# Proton Spin Decomposition
-/

namespace QFD.Nuclear.ProtonSpin

/-- Placeholder vacuum angular momentum term. -/
def vacuum_circulation : ℝ := 1 / 6

/-- Placeholder core spin contribution. -/
def core_spin : ℝ := 1 / 3

/-- Sum matches the observed 1/2 in this placeholder model. -/
theorem spin_sum_matches_observation :
    vacuum_circulation + core_spin = 1 / 2 := by
  simp [vacuum_circulation, core_spin]

end QFD.Nuclear.ProtonSpin