We investigate single Higgs and Higgs pair production at the LHC in models of Universal Extra Dimensions. After calculating the relevant cross sections, we use the UED model as a testing ground for the Effective Field Theory approach to physics beyond the Standard Model. We show how the UED contributions to Higgs production can be matched to a dimension-6 operator. We then discuss the range of validity of this approach, in particular for Higgs pair production, and determine the sensitivity to the number of KK modes in the loop.
@article{arxiv.1503.05078,
title = {Applying EFT to Higgs Pair Production in Universal Extra Dimensions},
author = {Lisa Edelhaeuser and Alexander Knochel and Thomas Steeger},
journal= {arXiv preprint arXiv:1503.05078},
year = {2015}
}