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

URN to cite this document:
urn:nbn:de:bvb:355-epub-140029
DOI to cite this document:
10.5283/epub.14002
Ali, Ahmed ; Braun, Vladimir M. ; Hiller, G.
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Date of publication of this fulltext: 12 Apr 2010 12:32


Abstract

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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