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hep-ph2026
Towards mixed QCDxEW corrections to the charged-current Drell-Yan process with leptonic decay at high transverse masses
Christian Biello, Amlan Chakraborty, Giulio Gambuti +2
The Drell-Yan process is a key precision benchmark at the Large Hadron Collider and a sensitive probe of SM and SMEFT effects. Fully exploiting future LHC data requires percent-lev…
hep-ph2026
Light-by-light scattering at three loops in massless QCD and QED: amplitudes and cross sections
Piotr Bargiela, Amlan Chakraborty, Giulio Gambuti +1
We present the calculation of three-loop massless QCD and QED helicity amplitudes for light-by-light scattering. We make use of Lorentz tensor decomposition in the 't Hooft-Veltman…