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Quark and gluon spin-2 form factors to two loops in QCD
2014
Proceedings of Loops and Legs in Quantum Field Theory — PoS(LL2014)
unpublished
We present complete two-loop radiative corrections to the graviton-quarkantiquark form factor G * → q q and graviton-gluon-gluon form factor G * → g g in SU(N ) gauge theory with n f light flavours using d-dimensional regularisation to all orders in ε = d−4. This is an important ingredient to next-to-next-to-leading order QCD corrections to hadronic scattering processes in models with large extra-dimensions where Kaluza-Klein graviton modes couple to Standard Model fields. We show that these
doi:10.22323/1.211.0068
fatcat:x7rfgft6hffh5arsjnu2qslrgq