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Resummed jet mass distribution with trimming in Z+jet events at the LHC
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abstract
In this paper, we calculate the resummed jet mass distribution up to next-to-leading logarithmic accuracy for jets defined with the trimming groomer in Z+jet events at the LHC. We compute at fixed order and to all orders the large logarithms, both in the jet mass and $z_{\mathrm{cut}}$ trimming variable, including non-global and clustering logarithms. We conduct phenomenological studies at $\mathcal{O}(\alpha_s)$, validating our results by comparing them with the fixed-order Monte Carlo program MCFM, which provides NLO predictions for hadron colliders. The resummation of non-global logarithms is estimated in the large-$\mathrm{N_c}$ limit. Our resummed result is compared to Monte Carlo parton shower simulations from Pythia 8, Herwig ++ and Sherpa 2 event generators.
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Cited by 1 Pith paper
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Extracting Essential Non-perturbative Information in Jet Invariant Mass via the Bayesian Analysis
A new 3D non-perturbative jet-mass model, fitted to pp data, separates hadronization, ISR, and underlying-event effects and correctly predicts e+e- jet mass data.
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