Automation of Beam and Jet functions at NNLO

Bell, Guido; Brune, Kevin; Das, Goutam; Wald, Marcel

doi:10.48550/arxiv.2110.04804

Cited by 2 publications

(2 citation statements)

References 16 publications

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“…Many of the contributions that are relevant for NNLL resummation of jet shapes have already been computed [44], predominately using SCET techniques, and have reached a considerable degree of automation, see e.g. [117][118][119]. Furthermore, first calculations for groomed observables exist even at N 3 LL [25] and with an improved description of the transition between groomed and ungroomed regimes [115].…”

Section: Discussionmentioning

confidence: 99%

Phenomenology of jet angularities at the LHC

Reichelt,

Caletti,

Fedkevych

et al. 2021

Preprint

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We compute resummed and matched predictions for jet angularities in hadronic dijet and Z+jet events with and without grooming the candidate jets using the SoftDrop technique. Our theoretical predictions also account for nonperturbative corrections from the underlying event and hadronisation through parton-to-hadron level transfer matrices extracted from dedicated Monte Carlo simulations with SHERPA. Thanks to this approach we can account for nonperturbative migration effects in both the angularities and the jet transverse momentum. We compare our predictions against recent measurements from the CMS experiment. This allows us to test the description of quark-and gluon-jet enriched phase-space regions separately. We supplement our study with SHERPA results based on the matching of NLO QCD matrix elements with the parton shower. Both theoretical predictions offer a good description of the data, within the experimental and theoretical uncertainties. The latter are however sizeable, motivating higher-accuracy calculations.

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Section: Discussionmentioning

confidence: 99%

Phenomenology of jet angularities at the LHC

Reichelt,

Caletti,

Fedkevych

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

Section: Jhep03(2022)131mentioning

confidence: 99%

Phenomenology of jet angularities at the LHC

Reichelt

Fedkevych

Marzani

et al. 2022

J. High Energ. Phys.

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We compute resummed and matched predictions for jet angularities in hadronic dijet and Z+jet events with and without grooming the candidate jets using the SoftDrop technique. Our theoretical predictions also account for non-perturbative corrections from the underlying event and hadronisation through parton-to-hadron level transfer matrices extracted from dedicated Monte Carlo simulations with Sherpa. Thanks to this approach we can account for non-perturbative migration effects in both the angularities and the jet transverse momentum. We compare our predictions against recent measurements from the CMS experiment. This allows us to test the description of quark- and gluon-jet enriched phase-space regions separately. We supplement our study with Sherpa results based on the matching of NLO QCD matrix elements with the parton shower. Both theoretical predictions offer a good description of the data, within the experimental and theoretical uncertainties. The latter are however sizeable, motivating higher-accuracy calculations.

show abstract

Automation of Beam and Jet functions at NNLO

Cited by 2 publications

References 16 publications

Phenomenology of jet angularities at the LHC

Phenomenology of jet angularities at the LHC

Phenomenology of jet angularities at the LHC

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