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SUMMARY:NNLO QCD corrections to top-quark pair production in association w
 ith a jet - Colomba Brancaccio (Turin U.)
DTSTART:20260206T160000Z
DTEND:20260206T170000Z
UID:TALK243334@talks.cam.ac.uk
CONTACT:Terry Generet
DESCRIPTION:The production of a top–quark pair in association with a jet
  is a key process for precision studies of the Standard Model and an impor
 tant background in searches for new physics. Achieving reliable prediction
 s requires full control over two-loop amplitudes depending on six kinemati
 c invariants. In this talk\, I will present NNLO predictions for the cross
  section and differential distributions of this process\, obtained using n
 ewly computed leading-colour two-loop matrix elements. I will discuss the 
 derivation of the double-virtual contributions and the analytic derivation
  of the finite remainder in terms of a set of special functions\, evaluate
 d through direct numerical integration of their differential equations.
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
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