Cornering pseudoscalar-mediated dark matter with the LHC and cosmology

@article{Banerjee2017CorneringPD,
  title={Cornering pseudoscalar-mediated dark matter with the LHC and cosmology},
  author={Shankha Banerjee and Daniele Barducci and G. B{\'e}langer and Benjamin Fuks and A. Goudelis and B. Zald{\'i}var},
  journal={Journal of High Energy Physics},
  year={2017},
  volume={2017},
  pages={1-35}
}
A bstractModels in which dark matter particles communicate with the visible sector through a pseudoscalar mediator are well-motivated both from a theoretical and from a phenomenological standpoint. With direct detection bounds being typically subleading in such scenarios, the main constraints stem either from collider searches for dark matter, or from indirect detection experiments. However, LHC searches for the mediator particles themselves can not only compete with — or even supersede — the… 
Phenomenological analysis of multi-pseudoscalar mediated dark matter models
TLDR
This work proposes to classify non-minimal simplified extensions of the Standard Model generically on the basis of additional mediator(s) and dark matter particles, and takes up a scenario involving multiple pseudoscalar mediators, and a single Dirac dark matter particle.
Top-philic vectorlike portal to scalar dark matter
We investigate the phenomenology of scalar singlet dark matter candidates that couple dominantly to the Standard Model via a Yukawa interaction with the top quark and a colored vector-like fermion.
Search for scalar dark matter via pseudoscalar portal interactions in light of the Galactic Center gamma-ray excess
In light of the observed Galactic center gamma-ray excess, we investigate a simplified model, for which the scalar dark matter interacts with quarks through a pseudoscalar mediator. The viable
Impact of Cosmological and Astrophysical Constraints on Dark Matter Simplified Models
  • C. Arina
  • Physics
    Front. Astron. Space Sci.
  • 2018
Studies of dark matter models lie at the interface of astrophysics, cosmology, nuclear physics and collider physics. Constraining such models entails the capability to compare their predictions to a
Pseudoscalar Mediators: A WIMP model at the Neutrino Floor
Due to its highly suppressed cross section (fermionic) dark matter interacting with the Standard Model via pseudoscalar mediators is expected to be essentially unobservable in direct detection
Displaced lepton jet signatures from self-interacting dark matter bound states
Abstract We study self-interacting dark matter signatures at the Large Hadron Collider. A light dark photon, mediating dark matter self-interactions, can bind dark matter particles to form a bound
The Dawn of FIMP Dark Matter: A Review of Models and Constraints
We present an overview of scenarios where the observed Dark Matter (DM) abundance consists of Feebly Interacting Massive Particles (FIMPs), produced nonthermally by the so-called freeze-in mechanism.
Understanding LHC searches for new physics with simplified models
TLDR
The software tool SModelS is presented, a tool that automates the mapping of generic models onto SUSY-like simplified model components, and that allows direct tests against corresponding experimental limits in the included database.
Loop-induced direct detection signatures from CP-violating scalar mediators
A bstractWe investigate direct detection signatures of dark matter particles interacting with quarks via a light spin-0 mediator with general CP phases. Since tree-level scattering may be strongly
...
...

References

SHOWING 1-10 OF 120 REFERENCES
A taste of dark matter: flavour constraints on pseudoscalar mediators
A bstractDark matter interacting via the exchange of a light pseudoscalar can induce observable signals in indirect detection experiments and experience large self-interactions while evading the
Extending LHC coverage to light pseudoscalar mediators and coy dark sectors
A bstractMany dark matter models involving weakly interacting massive particles (WIMPs) feature new, relatively light pseudoscalars that mediate dark matter pair annihilation into Standard Model
Constraining Dark Sectors at Colliders: Beyond the Effective Theory Approach
We outline and investigate a set of benchmark simplified models with the aim of providing a minimal simple framework for an interpretation of the existing and forthcoming searches of dark matter
Constraints on dark matter from colliders
We show that colliders can impose strong constraints on models of dark matter, in particular, when the dark matter is light. We analyze models where the dark matter is a fermion or scalar interacting
Constraining dark sectors with monojets and dijets
A bstractWe consider dark sector particles (DSPs) that obtain sizeable interactions with Standard Model fermions from a new mediator. While these particles can avoid observation in direct detection
Scalar Simplified Models for Dark Matter
We introduce a set of minimal simplified models for dark matter interactions with the Standard Model, connecting the two sectors via either a scalar or pseudoscalar particle. These models have a
A comprehensive approach to dark matter studies: exploration of simplified top-philic models
A bstractStudies of dark matter lie at the interface of collider physics, astrophysics and cosmology. Constraining models featuring dark matter candidates entails the capability to provide accurate
Simplified dark matter models with two Higgs doublets: I. Pseudoscalar mediators
A bstractWe study a new class of renormalisable simplified models for dark matter searches at the LHC that are based on two Higgs doublet models with an additional pseudoscalar mediator. In contrast
Electroweak baryogenesis and dark matter via a pseudoscalar vs. scalar
A bstractWe study the electroweak baryogenesis in a fermionic dark matter scenario with a (pseudo)scalar being the mediator in the Higgs portal. It is discussed that the electroweak phase transition
The Tevatron at the frontier of dark matter direct detection
Direct detection of dark matter (DM) requires an interaction of dark matter particles with nucleons. The same interaction can lead to dark matter pair production at a hadron collider, and with the
...
...