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München 2009 – scientific programme

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T: Fachverband Teilchenphysik

T 17: Beyond The Standard Model (Theorie) 1

T 17.2: Talk

Wednesday, March 11, 2009, 17:05–17:20, M114

Contributions of Os2 α) to squark pair production at the LHC — •Jan Germer, Wolfgang Hollik, Edoardo Mirabella, and Maike Trenkel — Max-Planck-Institut für Physik, München, Germany

Supersymmetry (SUSY) is one of the most promising extensions to the standard model. There are many theoretical as well as experimental indications that SUSY might become apparent at the TeV scale. If this is the case, many new particles – especially colored particles – will be produced at the LHC. The dominant contributions to the cross section for squark and gluino production at Born level (Os2)), as well as the corresponding QCD corrections are known for more than 10 years. The electroweak contributions for squark–anti-squark and squark-gluino production also have been computed. In this talk I will mainly focus on the NLO corrections of Os2 α) to the process pp → q q. At this order, interferences between amplitudes of Os α) and Os) as well as between Os2) and O(α) have to be taken into account. These processes complete the discussion of Os2 α) corrections to the production of squarks and gluinos at the LHC.

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