Jet vetoing at the LHC

Jeffrey Forshaw; James Keates; Simone Marzani

doi:10.1088/1126-6708/2009/07/023

Jet vetoing at the LHC

Jeffrey Forshaw, James Keates, Simone Marzani

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Abstract

We study the effect of a veto on additional jets in the rapidity region between a pair of high transverse momentum jets at the LHC. We aim to sum the most important logarithms in the ratio of the jet transverse momentum to the veto scale and to that end we attempt to assess the significance of the super-leading logarithms that appear at high orders in the perturbative expansion. We also compare our results to those of HERWIG++, in an attempt to ascertain the accuracy of the angular ordered parton shower. We find that there are large corrections that arise for large enough jet transverse momenta as a consequence of Coulomb gluon exchanges. © SISSA 2009.

Original language	English
Article number	023
Journal	The Journal of High Energy Physics
Volume	2009
Issue number	7
DOIs	https://doi.org/10.1088/1126-6708/2009/07/023
Publication status	Published - 2009

Keywords

Jets
QCD

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10.1088/1126-6708/2009/07/023

Cite this

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title = "Jet vetoing at the LHC",

abstract = "We study the effect of a veto on additional jets in the rapidity region between a pair of high transverse momentum jets at the LHC. We aim to sum the most important logarithms in the ratio of the jet transverse momentum to the veto scale and to that end we attempt to assess the significance of the super-leading logarithms that appear at high orders in the perturbative expansion. We also compare our results to those of HERWIG++, in an attempt to ascertain the accuracy of the angular ordered parton shower. We find that there are large corrections that arise for large enough jet transverse momenta as a consequence of Coulomb gluon exchanges. {\textcopyright} SISSA 2009.",

keywords = "Jets, QCD",

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year = "2009",

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T1 - Jet vetoing at the LHC

AU - Forshaw, Jeffrey

AU - Keates, James

AU - Marzani, Simone

PY - 2009

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AB - We study the effect of a veto on additional jets in the rapidity region between a pair of high transverse momentum jets at the LHC. We aim to sum the most important logarithms in the ratio of the jet transverse momentum to the veto scale and to that end we attempt to assess the significance of the super-leading logarithms that appear at high orders in the perturbative expansion. We also compare our results to those of HERWIG++, in an attempt to ascertain the accuracy of the angular ordered parton shower. We find that there are large corrections that arise for large enough jet transverse momenta as a consequence of Coulomb gluon exchanges. © SISSA 2009.

KW - Jets

KW - QCD

U2 - 10.1088/1126-6708/2009/07/023

DO - 10.1088/1126-6708/2009/07/023

M3 - Article

SN - 1126-6708

VL - 2009

JO - The Journal of High Energy Physics

JF - The Journal of High Energy Physics

IS - 7

M1 - 023

ER -

Jet vetoing at the LHC

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Keywords

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