Speaker
Description
The CERN Future Circular Collider (FCC) is a post-LHC project aiming at direct and indirect searches for physics beyond the SM in a new 91 km tunnel. In addition, the FCC-ee offers unique possibilities for high-precision studies of the strong interaction in the clean e+e- environment, thanks to its broad span of c.m. energies from the Z pole to the top-pair threshold, and its huge integrated luminosities yielding $10^{12}$ and $10^8$ jets from Z and W decays, respectively, as well as $10^5$ pure gluon jets from Higgs decays. Selected studies of the impact of FCC-ee on improving our understanding of QCD will be summarized including: (i) $\alpha_s$ extractions with permil uncertainties, (ii) parton showers and jet properties (udsg discrimination, event shapes, multijet rates, jet substructure,...), (iii) heavy-quark jets (dead cone, charm-bottom separation, gluon-to-QQbar splitting,...); and (iv) nonperturbative QCD phenomena (color reconnection, baryon and strangeness production,..).
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