Equation Icon  ⟨ ⟩ 4 ′ ∘ -------2- &tidle;G (1)μν(p)G&tidle;(1)αβ(p′) = 2-(2π)5 G2 δ-(p-+-p)-θ(− p2 − 4m2 ) 1 + 4m-- p p s 45 |F1(p)|2 p2 [ ( )2 1- m2- 2 2 μναβ × 4 1 + 4 p2 (p ) P ] ( m2 )2 || F2(p)||2 +10 3Δ ξ + --2 (p2)2P μνP αβ ||1 − 3p2-----|| . (136 ) p F3(p)