Constructing all-order corrections to multi-jet rates

Andersen, Jeppe R.; Smillie, Jennifer M.

doi:10.1007/jhep01(2010)039

Cited by 95 publications

(164 citation statements)

References 29 publications

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“…HEJ [21] is mostly compatible with the measurement, but the ratio to data has a bump structure in the region of approximately 1 to 2 TeV. This feature is also shared by NJet/Sherpa, but the differences with respect to the data are covered by the NLO uncertainties.…”

Section: Figuresupporting

confidence: 56%

Studies of jet production properties and the strong coupling constant with the ATLAS detector

Starovoitov¹

2016

Proceedings of the European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2015)

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Several aspects of jet production in proton-proton collisions have been measured by the ATLAS Collaboration. The measurements of the jet production cross-sections probe the dynamics of QCD and can constrain the parton proton structure. Cross-sections for inclusive jet, three-jet and four-jet final states are measured differentially in a variety of kinematic variables and for different centre-of-mass energies in proton-proton collisions with the ATLAS detector. Experimental results are compared to expectations based on next-to-leading order QCD calculations as well as to the Monte Carlo simulations. First LHC Run-2 results are also presented. The measurement of the jet-jet transverse energy correlations sensitive to the strong coupling constant is discussed. The momentum-weighted sum of the charges of tracks associated to a jet is sensitive to the electrical charge of the parton initiating the jet. The distribution of the so-called jet charge has been measured in dijet events using proton-proton collision data.

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Section: Figuresupporting

confidence: 56%

Studies of jet production properties and the strong coupling constant with the ATLAS detector

Starovoitov¹

2016

Proceedings of the European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2015)

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“…This way, the emission of wide-angle soft gluons should be correctly modeled including the full color structure. The DGLAP based parton shower resums logarithms of large p T ratios only, for sufficiently large rapidity gaps one may expect the agreement to suffer [114,115]. In figure 8 we compare Sherpa predictions with ATLAS data [75] for both the gap fraction and the average number of jets in selection B.…”

Section: Qcd Gap Jetsmentioning

confidence: 99%

Scaling patterns for QCD jets

Gerwick

Plehn

Schumann

et al. 2012

J. High Energ. Phys.

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Jet emission at hadron colliders follows simple scaling patterns. Based on perturbative QCD we derive Poisson and staircase scaling for final state as well as initial state radiation. Parton density effects enhance staircase scaling at low multiplicities. We propose experimental tests of our theoretical findings in Z+jets and QCD gap jets production, based on minor additions to current LHC analyses.

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“…This approach is useful because it allows a diverse range of perturbative QCD phenomena to be studied, as the veto scale is chosen to be much larger than Λ QCD . First, BFKLlike dynamics 1 [10][11][12][13] are expected to become increasingly important for large rapidity intervals [14][15][16][17]. Alternatively, the effects of wide-angle soft-gluon radiation can be studied in the limit that the average dijet transverse momentum is much larger than the scale used to veto on additional jet activity [18,19].…”

Section: Introductionmentioning

confidence: 99%

Measurement of dijet production with a veto on additional central jet activity in pp collisions at $ \sqrt {s} = 7 $ TeV using the ATLAS detector

Aad¹,

Bella²,

Aubert³

et al. 2011

J. High Energ. Phys.

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A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20 GeV is found between the two boundary jets. The fraction of dijet events that survive the jet veto is presented for boundary jets that are separated by up to six units of rapidity and with mean transverse momentum 50 < p T < 500 GeV. The mean multiplicity of jets above the veto scale in the rapidity interval bounded by the dijet system is also presented as an alternative method for quantifying perturbative QCD emission. The data are compared to a next-to-leading order plus parton shower prediction from the powheg-box, an all-order resummation using the hej calculation and the pythia, herwig++ and alpgen event generators. The measurement was performed using pp collisions at √ s = 7 TeV using data recorded by the ATLAS detector in 2010.

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Constructing all-order corrections to multi-jet rates

Cited by 95 publications

References 29 publications

Studies of jet production properties and the strong coupling constant with the ATLAS detector

Studies of jet production properties and the strong coupling constant with the ATLAS detector

Scaling patterns for QCD jets

Measurement of dijet production with a veto on additional central jet activity in pp collisions at $ \sqrt {s} = 7 $ TeV using the ATLAS detector

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