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The small-x behavior of the singlet contributions to the polarized structurefunction g_2(x,Q^2) is calculated in the double-logarithmic approximation ofperturbative QCD. The dominant contribution is due to the gluons which, incontrast to the unpolarized case, mix with the fermions also in the small-xdomain. We find a power-like growth in 1/x in the odd-signature parts of theamplitude with the same power as in the singlet function g_1(x,Q^2) at x<< 1.Comment: 20 pages, latex, 3 ps figure

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Small-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>x</mml:mi></mml:math>behavior of the singlet polarized structure function<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>g</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>in the double logarithmic approximation

Small-xbehavior of the singlet polarized structure functiong2in the double logarithmic approximation