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Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions

  • J. Alwall
  • S. Hoeche
  • F. Krauss
  • Nils Lavesson
  • Leif Lönnblad
  • F. Maltoni
  • M.L. Mangano
  • M. Moretti
  • C.G. Papadopoulos
  • F. Piccinini
  • S. Schumann
  • M. Treccani
  • J. Winter
  • M. Worek
Publiceringsår: 2008
Språk: Engelska
Sidor: 473-500
Publikation/Tidskrift/Serie: The European Physical Journal C
Volym: 53
Nummer: 3
Dokumenttyp: Artikel
Förlag: Springer Berlin / Heidelberg


We compare different procedures for combining fixed-order tree-level matrix-element generators with parton showers. We use the case of W-production at the Tevatron and the LHC to compare different implementations of the so-called CKKW and MLM schemes using different matrix-element generators and different parton cascades. We find that although similar results are obtained in all cases, there are important differences.



  • Physics and Astronomy


  • ISSN: 1434-6044
  • ISSN: 1434-6052

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