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Massive non-planar two-loop four-point integrals with SecDec 2.1

机译:具有SecDec 2.1的大规模非平面两环四点积分

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摘要

We present numerical results for massive non-planar two-loop box integrals entering heavy quark pair production at NNLO, some of which are not known analytically yet. The results have been obtained with the program SecDec 2.1, based on sector decomposition and contour deformation, in combination with new types of transformations. Among the new features of version 2.1 is also the possibility to evaluate contracted tensor integrals, with no limitation on the rank.
机译:我们提供了在NNLO进入重夸克对生产的大量非平面两环盒积分的数值结果,其中一些在分析上还未知。结果是通过SecDec 2.1程序获得的,该程序基于扇区分解和轮廓变形以及新型转换。在2.1版的新功能中,还可以评估收缩张量积分,而对等级没有限制。

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