PoS - Proceedings of Science
Volume 292 - Corfu Summer Institute 2016 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2016) - Summer School and Workshop on the Standard Model and Beyond
A Fermionic bi-Doublet Effective Field Theory for Dark Matter
D. Karamitros
Full text: pdf
Pre-published on: October 04, 2017
Published on: October 05, 2017
We study an effective field theory
which includes the Standard Model extended by a Dark Sector consisting of
two fermionic $SU(2)_{L}$-doublets. A $Z_2$ parity guarantees that, after electroweak symmetry breaking,
the lightest neutral particle is stable, acting as a WIMP.
The dark sector interacts with the Higgs and gauge bosons
through renormalizable and non-renormalizable $d=5$ operators.
We find that a WIMP with a mass around the electroweak scale,
\textit{i.e.} accessible at the LHC,
is consistent with collider and astrophysical data only when
non-trivial magnetic dipole interactions with the gauge bosons exist.
DOI: https://doi.org/10.22323/1.292.0057
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