Squark anti-squark pair production at the LHC: the electroweak contribution

Details Squark anti-squark pair production at the LHC: the electroweak contribution Squark anti-squark pair production at the LHC: the electroweak contribution

2008-06-09

arxiv.org/abs/0806.1433v2

JHEP 0812:087,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

38 pages, 21 figures. Replaced with the version published in JHEP

Scientific paper

10.1088/1126-6708/2008/12/087

We present the complete NLO electroweak contribution of $\mathcal{O}(\alpha^2_s \alpha)$ to the production of diagonal squark--anti-squark pairs in proton--proton collisions. Compared to the lowest-order $\mathcal{O}(\alpha_s\alpha + \alpha^2)$ electroweak terms, the NLO contributions are also significant. We discuss the LO and NLO electroweak effects in cross sections and distributions at the LHC for the production of squarks different from top squarks, in various supersymmetric benchmark scenarios.

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