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2021

Two-loop QCD corrections to $Wb\bar{b}$ production at hadron colliders

Badger, Simon, Hartanto, Heribertus Bayu, Zoia, Simone

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We present an analytic computation of the two-loop QCD corrections to $u\bar{d}\to W^+b\bar{b}$ for an on-shell $W$-boson using the leading colour and massless bottom quark approximations.

We perform an integration-by-parts reduction of the unpolarised squared matrix element using finite field reconstruction techniques and identify an independent basis of special functions that allows an analytic subtraction of the infrared and ultraviolet poles.
This basis is valid for all planar topologies for five-particle scattering with an off-shell leg.

Two-loop QCD corrections to $Wb\bar{b}$ production at hadron colliders · Around

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