equation icon  { } mn,ab ak4 1 |k2| mn,ab 1 mn,ab H~ (k) = - ---- --ln --2 Q (k) + --Q (k) 4 2 m 3 --p2-- { mn,ab mn,ab mn,ab mn,ab } + 180b4 - T1 (u,k) - 2T 2 (u,k) + T 4 (u,k) + 2T 5 (u,k) { } + --q-- k2Tmn1,ab(u,k) - 2k2Tmn4,ab(u,k) - Tmn8,ab(u,k) + 2Tmn1,3ab(u, k) 96b2 { [ ] [ ]} i ntegral d4q 2 o 1 2 o o 1 mn,ab +p ----4- d(q )nb(|q | )P ------2 + d[(k+q) ]nb( |k + q |)P -2 T (q,k), (2p) (k +q) q (177)