Quark mass effects in double parton distributions
arXiv:2212.07736 · doi:10.1007/JHEP09(2023)100
Abstract
Double parton distributions can be computed from the perturbative splitting of one parton into two if the distance between the two observed partons is small. We develop schemes to take into account quark mass effects in this computation, and we study these schemes numerically at leading order in the strong coupling. Furthermore, we investigate in detail the structure of the next-to-leading order corrections to the splitting kernels that include quark mass effects.
arXiv commentv1: 74 pages, 30 figures. v2: 76 pages, 31 figures. Additional numerical study in section 8.3; clarified some text passages
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