equation icon  1 integral d4p HA(x; m2) =_ ------ ------eipx 480p2 (2p)4 --------- {( 2)2[ V ~ 2 ] 2} × 1 + 4m-- i-p signp0h(- p2 - 4m2) 1 + 4m-- + f(p2) - 8-m-- , p2 p2 3 p2 (105) 1 integral d4p HB(x; m2, Dq) =_ ----- ------eipx 72p2 (2p)4 {( 2)2[ V ~ -------2- ] 2} × 3Dq + m-- i-p sign p0h(- p2- 4m2) 1 + 4m-- + f(p2) - 1-m-- , p2 p2 6 p2