Dilepton Signals in the Inert Doublet Model

Details Dilepton Signals in the Inert Doublet Model Dilepton Signals in the Inert Doublet Model

2009-09-17

arxiv.org/abs/0909.3094v1

Phys.Rev.D81:035003,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, ReVTeX, 3 figures, 5 tables

Scientific paper

10.1103/PhysRevD.81.035003

The Inert Doublet Model is one of the simplest and most versatile scenarios for physics beyond the Standard Model. In this work, we examine the prospects for detecting the additional fields of this model at the LHC in the dilepton channel. We investigate a wide variety of theoretically- and phenomenologically-motivated benchmark scenarios, and show that within regions of model parameter space in which the dark-matter candidate is relatively light (between 40 and 80 GeV) and the mass splitting between the neutral scalars is also roughly 40 - 80 GeV, a signal at the 3 sigma to 12 sigma significance level can be observed with 100 fb^-1 of integrated luminosity. In addition, even if the mass splitting between the neutral scalars is larger than M_Z, a signal of more than 3 sigma can be observed as long as the mass of the dark matter candidate is around 40 GeV.

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