Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar

von Manteuffel A, Studerus C (2013)
Journal Of High Energy Physics 2013(10).

Journal Article | Published | English

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We present the master integrals needed for the light fermionic two-loop corrections to top quark pair production in the gluon fusion channel. Via the method of differential equations we compute the results in terms of multiple polylogarithms in a Laurent series about d = 4, where d is the space-time dimension. The most involved topology is a non-planar double box with one internal mass. We employ the coproduct-augmented symbol calculus and show that significant simplifications are possible for selected results using an optimised set of multiple polylogarithms.
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von Manteuffel A, Studerus C. Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar. Journal Of High Energy Physics. 2013;2013(10).
von Manteuffel, A., & Studerus, C. (2013). Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar. Journal Of High Energy Physics, 2013(10).
von Manteuffel, A., and Studerus, C. (2013). Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar. Journal Of High Energy Physics 2013.
von Manteuffel, A., & Studerus, C., 2013. Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar. Journal Of High Energy Physics, 2013(10).
A. von Manteuffel and C. Studerus, “Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar”, Journal Of High Energy Physics, vol. 2013, 2013.
von Manteuffel, A., Studerus, C.: Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar. Journal Of High Energy Physics. 2013, (2013).
von Manteuffel, Andreas, and Studerus, Cedric. “Massive planar and non-planar double box integrals for light N-f contributions to gg -> t(t)over-bar”. Journal Of High Energy Physics 2013.10 (2013).
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