QCD radiation in the production of high s-hat final states

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In the production of very heavy final states--high Mandelstam {cflx s}--extra QCD radiation can play a significant role. By comparing several different parton shower approximations to results obtained with fixed-order perturbation theory, they quantify the degree to which these approaches agree (or disagree), focusing on initial state radiation above p{perpendicular} = 50 GeV, for top pair production at the Tevatron and at the LHC, and for SUSY pair production at the LHC. Special attention is paid to ambiguities associated with the choice of the maximum value of the ordering variable in parton shower models.

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5 pages

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Skands, Peter; /Fermilab; Plehn, Tilman; /Munich, Max Planck Inst.; Rainwater, David & U., /Rochester November 1, 2005.

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In the production of very heavy final states--high Mandelstam {cflx s}--extra QCD radiation can play a significant role. By comparing several different parton shower approximations to results obtained with fixed-order perturbation theory, they quantify the degree to which these approaches agree (or disagree), focusing on initial state radiation above p{perpendicular} = 50 GeV, for top pair production at the Tevatron and at the LHC, and for SUSY pair production at the LHC. Special attention is paid to ambiguities associated with the choice of the maximum value of the ordering variable in parton shower models.

Physical Description

5 pages

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  • Journal Name: ECONF C0508141:ALCPG0417,2005; Conference: Invited talk at 2005 International Linear Collider Physics and Detector Workshop and 2nd ILC Accelerator Workshop, Snowmass, Colorado, 14-27 Aug 2005

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  • Report No.: FERMILAB-CONF-05-519-T
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 879134
  • Archival Resource Key: ark:/67531/metadc879608

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  • November 1, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 7, 2016, 7:14 p.m.

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Skands, Peter; /Fermilab; Plehn, Tilman; /Munich, Max Planck Inst.; Rainwater, David & U., /Rochester. QCD radiation in the production of high s-hat final states, article, November 1, 2005; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc879608/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.