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Asymptotic solutions of the evolution equation for the polarized nucleon structure function g2(x, Q2)

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Ali, Ahmed ; Braun, Vladimir M. ; Hiller, G.
Date of publication of this fulltext: 12 Apr 2010 12:32


We show that quark operators of twist 3 contributing to the polarized nucleon structure function g2tw.3(x, Q2) decouple from the evolution equation for the quark-gluon operators of the same twist in two important limits,Nc→∞ and n→∞ (Nc is the number of colours and n refers to the nth moment of g2). The anomalous dimensions for the quark operators turn out to be always the lowest ones in the ...


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