期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 8, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP08(2019)071
关键词
Perturbative QCD; Heavy Quark Physics
资金
- National Science Foundation [1719863]
- PSC CUNY Research Award [TRADA-61151-00 49]
We present the analytic calculation of the Master Integrals for the two-loop, non-planar topologies that enter the calculation of the amplitude for top-quark pair hadroproduction in the quark-annihilation channel. Using the method of differential equations, we expand the integrals in powers of the dimensional regulator epsilon and determine the expansion coefficients in terms of generalized harmonic polylogarithms of two dimensionless variables through to weight four.
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