QCD corrections to single slepton production at hadron colliders

Details QCD corrections to single slepton production at hadron colliders QCD corrections to single slepton production at hadron colliders

2006-12-07

arxiv.org/abs/hep-ph/0612076v3

JHEP 0705:068,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

one new reference is added

Scientific paper

10.1088/1126-6708/2007/05/068

We evaluate the cross section for single slepton production at hadron colliders in supersymmetric theories with R-parity violating interactions to the next-to-leading order in QCD. We obtain fully differential cross section by using the phase space slicing method. We also perform soft-gluon resummation to all order in $\alpha_s$ of leading logarithm to obtain a complete transverse momentum spectrum of the slepton. We find that the full transverse momentum spectrum is peaked at a few GeV, consistent with the early results for Drell-Yan production of lepton pairs. We also consider the contribution from gluon fusion via quark-triangle loop diagrams dominated by the $b$-quark loop. The cross section of this process is significantly smaller than that of the tree-level process induced by the initial $b\bar{b}$ annihilation.

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