Semi-numerical resummation of event shapes

Andrea Banfi, Gavin P. Salam, Giulia Zanderighi

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

For many event-shape observables, the most difficult part of a resummation in the Born limit is the analytical treatment of the observable's dependence on multiple emissions, which is required at single logarithmic accuracy. We present a general numerical method, suitable for a large class of event shapes, which allows the resummation specifically of these single logarithms. It is applied to the case of the thrust major and the oblateness, which have so far defied analytical resummation and to the two-jet rate in the Durham algorithm, for which only a subset of the single logs had up to now been calculated.

Original languageEnglish
Pages (from-to)355-381
Number of pages27
JournalJournal of High Energy Physics
Volume6
Issue number1
DOIs
StatePublished - 1 Jan 2002
Externally publishedYes

Keywords

  • Jets
  • LEP HERA and SLC Physics
  • NLO Computations
  • QCD

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