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arXiv 1304.7252hep-thhep-ph
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关于N = 4超Yang-Mills理论中的DIS Wilson系数

On DIS Wilson coefficients in N = 4 super Yang-Mills theory

Lorenzo Bianchi, Valentina Forini, Anatoly V. Kotikov

摘要:

本文以R对称守恒流为探针,在微扰理论的非线性光学条件下,计算了N=4 SYM理论中的“深度非弹性散射”(DIS)的Wilson系数。它们表现出一致的超越性,并与相应的QCD Wilson系数中的最高超越性相一致。我们从QCD结果中提取了N=4 SYM Wilson系数的NNLO预言,并对其Regge极限渐近性质进行了评述。

英文摘要:

In this note we evaluate Wilson coefficients for "deep inelastic scattering" (DIS) in N=4 SYM theory at NLO in perturbation theory, using as a probe an R-symmetry conserved current. They exhibit uniform transcendentality and coincide with the piece of highest transcendentality in the corresponding QCD Wilson coefficients. We extract from the QCD result a NNLO prediction for the N=4 SYM Wilson coefficient, and comment on the features of its Regge limit asymptotics.

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