Precision studies for string derived $Z^{\prime }$ dynamics at the LHC

Abstract

We consider $Z^{\prime }$s in heterotic string derived models and study $Z^{\prime }$ resonant production at the TeV scale at the Large Hadron Collider (LHC). We use various kinematic differential distributions for the Drell-Yan process at NNLO in QCD to explore the parameter space of such models and investigate $Z^{\prime }$ couplings. In particular, we study the impact of $Z$-$Z^{\prime }$ kinetic-mixing interactions on forward-backward asymmetry ($A_{FB}$) and other distributions at the LHC.

arXiv comment23 pages, 5 figures, regular article. Updated to match the journal accepted version

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