Spin-Dependent Structure Function g_1 at Small x
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Accounting for double-logarithms of x and running QCD coupling leads to expressions for both the non-singlet and singlet components of $g_1$. These expressions manifest the Regge asymptotics when x ->0 and differ considerably from the DGLAP expressions at small values of x.
Talk given at the 17th Workshop in Particle Physics, La Thuile,Italy, Feb.29-Mar. 6, 2004. 13p
Talk given at the 17th Workshop in Particle Physics, La Thuile,Italy, Feb.29-Mar. 6, 2004. 13p