Equation Icon  ∘ --------- m2 ( m2 )2 1 &tidle;𝒢A (p ) ≡ θ (− p2 − 4m2 ) 1 + 4-2- 1 + 4--2 -------2, p p |F1(p)| ∘ --------( )2 | |2 (138 ) &tidle; 2 2 m2- m2- ---1----|| 2F2(p)|| 𝒢B (p ) ≡ θ (− p − 4m ) 1 + 4 p2 3Δ ξ + p2 |F (p)|2 |1 − 3p F3(p)| , 1