Speaker
Description
An accurate determination of the Standard Model parameters is essential for both testing the theory and discovering signals of new physics. One of them is the W boson mass, which can be extracted with great precision by measuring W/Z bosons productions rates at hadron colliders.
In this talk, I will consider transverse-momenta spectra at low- and intermediate-qT region. Large logarithmic contributions, due to soft and collinear emission, are evaluated and resummed at all orders through the well-established resummation formalism. A matching procedure is also implemented in order to obtain uniform accuracy until the high-pT region, in which cross sections are correctly computed through the conventional fixed-order perturbative series.
Although the dominant contributions to the differential cross sections are due to QCD, already known in literature until N3LL+NNLO, the consideration of EW interaction becomes essential to reach the sub-percent level of precision, i.e. the current accuracy of experimental data.
In our work, specifically, we computed EW corrections including up to NLL+NLO terms, and inserted them in a numerical code.
During the discussion, I will show some significative plots at typical LHC, Tevatron and FCC-hh configurations, focusing on the shifts and behavior-changes caused by electroweak interactions. These modifications, in particular, affects directly the W boson mass determination.
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