equation icon  integral ( ) mnab p2 mnab d4p - ipx m2 2 F (x) = ---Fx ----4 e 1 + 4 -2- I(p) 45 (2p integral ) ( p ) 8p2 mn ab d4p -ipx m2 2 + -9--Fx Fx (2p)4-e 3Dq + -p2 I(p), (93)