Angular correlations in multi-jet final states from kt-dependent parton showers

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dc.creatorHautmann, F.
dc.creatorJung, H.
dc.date2008-05-07
dc.date2008-09-24
dc.date.accessioned2026-07-07T11:50:37Z
dc.date.available2026-07-07T11:50:37Z
dc.descriptionWe investigate parton-branching methods based on transverse-momentum dependent (TMD) parton distributions and matrix elements for the Monte Carlo simulation of multi-particle final states at high-energy colliders. We observe that recently measured angular correlations in ep final states with multiple hadronic jets probe QCD coherence effects in the space-like branching, associated with finite-angle gluon radiation from partons carrying small longitudinal momenta, and not included in standard shower generators. We present Monte Carlo calculations for azimuthal two-jet and three-jet distributions, for jet multiplicities and for correlations in the transverse-momentum imbalance between the leading jets. We discuss comparisons with current experimental multi-jet data, and implications of corrections to collinear-ordered showers for LHC final states.
dc.description25 pages. Discussion and references expanded; results unchanged. Additional calculations included
dc.identifierhttps://arxiv.org/abs/0805.1049
dc.identifierhttp://arxiv.org/abs/0805.1049
dc.identifierJHEP0810:113,2008
dc.identifierdoi:10.1088/1126-6708/2008/10/113
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/203617
dc.subjectHigh Energy Physics - Phenomenology
dc.titleAngular correlations in multi-jet final states from kt-dependent parton showers
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