Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-11-02
Phys.Lett.B699:169-173,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 3 figures, LaTeX; updated plots, refined error estimation; accepted for publication in PLB
Scientific paper
10.1016/j.physletb.2011.03.071
We calculate the next-to-leading order perturbative corrections to the SVZ
sum rules for the coupling f_N, the nucleon leading twist wave function at the
origin. The results are compared to the established Ioffe sum rules and also to
lattice QCD simulations.
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