Better jet clustering algorithms

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Published 22 September 1997 • Published under licence by IOP Publishing Ltd
, , Citation Yu.L. Dokshitzer et al JHEP08(1997)001 DOI 10.1088/1126-6708/1997/08/001

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Author affiliations

1 INFN, Sezione di Milano, Via Celoria 16, 20133 Milan, Italy

2 Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, U.K.

Dates

  1. Received 11 July 1997
  2. Accepted 8 August 1997
  3. Published

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Abstract

We investigate modifications to the k⊥-clustering jet algorithm which preserve the advantages of the original Durham algorithm while reducing non-perturbative corrections and providing better resolution of jet substructure. We find that a simple change in the sequence of clustering (combining smaller-angle pairs first), together with the `freezing' of soft resolved jets, has beneficial effects.

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10.1088/1126-6708/1997/08/001