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The European Physical Journal C

, Volume 69, Issue 1–2, pp 53–65 | Cite as

Same-sign W pair production as a probe of double-parton scattering at the LHC

  • Jonathan R. Gaunt
  • Chun-Hay KomEmail author
  • Anna Kulesza
  • W. James Stirling
Regular Article - Theoretical Physics

Abstract

We study the production of same-sign W boson pairs at the LHC in double parton interactions. Compared with simple factorised double parton distributions (dPDFs), we show that the recently developed dPDFs, GS09, lead to non-trivial kinematic correlations between the W bosons. A numerical study of the prospects for observing this process using same-sign dilepton signatures, including W ± W ± jj, diboson and heavy flavour backgrounds, at 14 TeV centre-of-mass energy is then performed. It is shown that a small excess of same-sign dilepton events from double parton scattering over a background dominated by single scattering W ± Z(γ *) production could be observed at the LHC.

Keywords

Large Hadron Collider High Energy Phys Large Hadron Collider Energy Double Parton Scattering Single Parton Scattering 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag / Società Italiana di Fisica 2010

Authors and Affiliations

  • Jonathan R. Gaunt
    • 1
  • Chun-Hay Kom
    • 1
    Email author
  • Anna Kulesza
    • 2
  • W. James Stirling
    • 1
  1. 1.Cavendish LaboratoryCambridgeUK
  2. 2.Institute for Theoretical Particle Physics and CosmologyRWTH Aachen UniversityAachenGermany

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