Three-loop planar master integrals for heavy-to-light form factors
arXiv:1810.04328 · doi:10.1016/j.physletb.2018.10.035
Abstract
We calculate analytically the three-loop planar master integrals relevant for heavy-to-light form factors using the method of differential equations. After choosing a proper canonical basis, the boundary conditions are easy to be determined, and the solution of differential equations is greatly simplified. The results for seventy-one master integrals at general kinematics are all expressed in terms of harmonic polylogarithms.
18 pages, 2 figures
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