Speaker
Description
We investigate the challenges posed by non-global logarithms in analyzing the jet mass observable within the context of Z+jet production, employing jet grooming techniques. Their presence is obvious even if the jet clustering effects tend to reduce their contribution. Our approach involves both an analytical fixed-order calculation, extending up to second order in the coupling, and an all-orders estimation of the specific invariant mass distribution of the leading-pT jet post-application of the triming technique. To reconcile these, we conduct a matching procedure between the resummed distribution and next-to-leading order results obtained from MCFM, subsequently juxtaposing our findings with those generated by the Monte Carlo event simulator Pythia 8.
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