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Computing DIS coefficient functions at 4-loop

  • Andrea Pelloni
    • Nikhef

Event description

I'll will discuss our recent progress in computing the non-singlet nf^2 contribution to the DIS coefficient functions at 4-loop. The computation is performed in Mellin space by employing a system of differential equations to generate a finite expansion in Mellin moments. The computation of the Mellin moments via this technique allows us to extract a number of moments large enough to reconstruct the all-order expression in terms of harmonic sums and map it back to x-space. To conclude I'll discuss further applications of this method and how we plan to adapt it for more complicated computations.

Computing DIS coefficient functions at 4-loop


Higgs Centre Seminar Room, JCMB (Find us on campus maps)
The Higgs Centre for Theoretical Physics
School of Physics and Astronomy
James Clerk Maxwell Building, 4305
Peter Guthrie Tait Road

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