Scalar Dark Matter with Type II Seesaw

Abstract

We study the possibility of generating tiny neutrino mass through a combination of type I and type II seesaw mechanism within the framework of an abelian extension of standard model. The model also provides a naturally stable dark matter candidate in terms of the lightest neutral component of a scalar doublet. We compute the relic abundance of such a dark matter candidate and also point out how the strength of type II seesaw term can affect the relic abundance of dark matter. Such a model which connects neutrino mass and dark matter abundance has the potential of being verified or ruled out in the ongoing neutrino, dark matter as well as accelerator experiments.

arXiv commentv2: 19 pages, 6 figures, to appear in Nucl. Phys. B

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• Collider and Dark Matter Searches in the Inert Doublet Model from Peccei-Quinn Symmetry
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• Common Origin of Non-zero ${\theta }_{13}$ and Dark Matter in an $S_4$ Flavour Symmetric Model with Inverse Seesaw
• A new feasible dark matter region in the singlet scalar scotogenic model
• One-loop Type II Seesaw Neutrino Model with Stable Dark Matter Candidates
• Multilepton signatures for scalar dark matter searches in coannihilation scenario