Asymptotical small-x behaviour of the spin structure functions g₁ and g₂
Ermolaev, B. I. · Troyan, S. I.
Original · EN
We show that for small x and in the double logarithmic approximation (DLA) g₂ can be expressed through derivative of g₁ with respect to logarithm of the QCD coupling. Therefore the small-x behavior of the both structure functions is similar. The analytical expression for flavor nonsinglet structure function g₁ is presented and its asymptotical behaviour is calculated.
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