• [1]

    M.A.Shifman,A.I.Vainshtein and V.I.Zakharov,Nucl.Phys,B147(197)385;448.[2]L.J.Reinder et al,Nucl.Phys,B196(1982)125;M.Shifman and T.M.Aliev,Phys.Lett,B112(1982)401;B.L.loffe,Nucl.Phys.B118(1981)317;B191(1981)591(E).Also see ref.(1).[3]C.A.Dominguez,phys.Lett,B197(1987)423.[4]B.L.loffe and A.V.Radyushkin.Phys.Lett.,B115(1982)410;Sov.J.,Nucl.Phys,39(1984)811;Ya.I,Kogan and V.M.Belyaev,Phys.Lett.,B136(1984)109.[5]V.L.ChernyakandA.R.Zhitnitsky,Nucl.Phys,B201(1982)492;B246(1984)52.[6]V.L.Chernyak and A.R.Zkitnitsks.Phys.Rep,112(1984)173.[7]K.G.Chetyrkin et al,Phys.Lett,B174(1986)104;R.Deckon,Nucl.Phys,B277(1986)661.[8]S.Narison,CERN-TH.4624/86.[9]卞建国,高能物理与核物理,15(1991)973.[10]Y.Chung,H.G.Dosch,M.Kremer and D.Schall,Z.Phys,C25(1984)151;B.L.loffe Nucl.Phys,B118(1981)317;B191(1981)591.