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We study the dark matter phenomenology of scotogenic frameworks through a rather illustrative model extending the Standard Model by scalar and fermionic singlets and doublets. Such a setup is phenomenologically attractive since it provides…

High Energy Physics - Phenomenology · Physics 2022-01-05 Maud Sarazin , Jordan Bernigaud , Björn Herrmann

The scotogenic model is a well motivated scenario that provides both an explanation for neutrino masses and for dark matter. We focus on a real scalar dark matter candidate in this model, produced through standard thermal freeze-out. We…

High Energy Physics - Phenomenology · Physics 2022-05-18 Ivania M. Ávila , Giovanna Cottin , Marco A. Díaz

We present an extensive phenomenological study of a scotogenic framework including a scalar singlet, a scalar doublet, a fermionic doublet, and two generations of a fermionic triplet, allowing to provide three non-zero neutrino masses and…

High Energy Physics - Phenomenology · Physics 2025-01-22 Ugo de Noyers , Maud Sarazin , Björn Herrmann

We study the impact that future lepton flavor violating experiments will have on the viable parameter space of the scotogenic model. Within this model, the dark matter particle is assumed to be the lightest singlet fermion and two cases are…

High Energy Physics - Phenomenology · Physics 2015-03-06 Avelino Vicente , Carlos E. Yaguna

We investigate a minimal scale-invariant implementation of the scotogenic model and show that viable electroweak symmetry breaking can occur while simultaneously generating one-loop neutrino masses and the dark matter relic abundance. The…

High Energy Physics - Phenomenology · Physics 2016-08-23 Amine Ahriche , Kristian L. McDonald , Salah Nasri

We perform a complete analysis of the consistency of the singlet-triplet scotogenic model, where both dark matter and neutrino masses can be explained. We determine the parameter space that yields the proper thermal relic density been in…

High Energy Physics - Phenomenology · Physics 2020-05-20 Diego Restrepo , Andrés Rivera

The freeze-in mechanism of dark matter production provides a simple and intriguing alternative to the WIMP paradigm. In this paper, we analyze whether freeze-in can be used to account for the dark matter in the so-called singlet fermionic…

High Energy Physics - Phenomenology · Physics 2015-06-17 Michael Klasen , Carlos E. Yaguna

The scotogenic model is one of the simplest scenarios for physics beyond the Standard Model that can account for neutrino masses and dark matter at the TeV scale. It contains another scalar doublet and three additional singlet fermions…

High Energy Physics - Phenomenology · Physics 2015-06-19 Emiliano Molinaro , Carlos E. Yaguna , Oscar Zapata

The scotogenic model provides a minimal and elegant framework that simultaneously explains neutrino masses and accommodates a viable dark matter (DM) candidate. In this work, we investigate the phenomenology of fermionic DM in the…

High Energy Physics - Phenomenology · Physics 2026-03-09 Abhishek Roy , Rameswar Sahu

We consider the possibility that neutrino masses arise from the exchange of dark matter states. We examine in detail the phenomenology of fermionic dark matter in the singlet-triplet scotogenic reference model. We explore the case of…

High Energy Physics - Phenomenology · Physics 2024-01-24 Anirban Karan , Soumya Sadhukhan , José W. F. Valle

The Scotogenic Model is one of the most minimal models to account for both neutrino masses and dark matter (DM). In this model, neutrino masses are generated at the one-loop level, and in principle, both the lightest fermion singlet and the…

High Energy Physics - Phenomenology · Physics 2021-06-25 Ankit Beniwal , Juan Herrero-García , Nicholas Leerdam , Martin White , Anthony G. Williams

Scotogenic models are among the most popular possibilities to link dark matter and neutrino masses. In this work we discuss a variant of the Scotogenic model that includes charged fermions and a doublet with hypercharge $3/2$. Neutrino…

High Energy Physics - Phenomenology · Physics 2022-08-10 Valentina De Romeri , Miguel Puerta , Avelino Vicente

We investigate flavor phenomenology and dark matter in the context of scotogenic model. In this model, the neutrino masses are generated through radiative corrections at one-loop level. Considering the neutrino mixing matrix to be of…

High Energy Physics - Phenomenology · Physics 2016-12-28 Shivaramakrishna Singirala

We study the phenomenology of a model that addresses the neutrino mass, dark matter, and generation of the electroweak scale in a single framework. Electroweak symmetry breaking is realized via the Coleman-Weinberg mechanism in a…

High Energy Physics - Phenomenology · Physics 2019-10-02 Chao Guo , Shu-Yuan Guo , Yi Liao

The scotogenic model defines a framework for radiative neutrino masses and provides a viable dark matter candidate. Since the scotogenic dark matter is leptophilic, indirect searches appear as an especially interesting possibility. Here we…

High Energy Physics - Phenomenology · Physics 2026-05-14 Ricardo Cepedello , Pablo de la Torre , Manuel Masip

We analyse the signatures at the Large Hadron Collider (LHC) of the scotogenic model, when the lightest Z2-odd particle is a singlet fermion and a feebly interacting massive particle (FIMP). We further assume that the singlet fermion…

High Energy Physics - Phenomenology · Physics 2017-03-13 Andre Hessler , Alejandro Ibarra , Emiliano Molinaro , Stefan Vogl

The scotogenic model generates Majorana neutrino masses radiatively, with dark matter particles running in the loop. We explore the parameter space in which the relic density of fermionic dark matter is generated via a conversion-driven…

High Energy Physics - Phenomenology · Physics 2023-02-02 Julian Heeck , Jan Heisig , Anil Thapa

We propose a model based on the interplay between the type-II seesaw and scotogenic neutrino mass generation mechanisms. The setup features a $\mathbb{Z}_8$ discrete flavour symmetry which is broken down to a residual $\mathbb{Z}_2$…

High Energy Physics - Phenomenology · Physics 2023-03-28 D. M. Barreiros , H. B. Câmara , F. R. Joaquim

In the framework of the scotogenic model, which features radiative generation of neutrino masses, we explore light dark matter scenario. Throughout the paper we chiefly focus on keV-scale dark matter which can be produced either via…

High Energy Physics - Phenomenology · Physics 2020-09-25 Sven Baumholzer , Vedran Brdar , Pedro Schwaller , Alexander Segner

We study a simple extension of the Standard Model that accounts for neutrino masses and dark matter. The Standard Model is augmented by two Higgs doublets and one Dirac singlet fermion, all charged under a new dark global symmetry. It is a…

High Energy Physics - Phenomenology · Physics 2018-12-05 Claudia Hagedorn , Juan Herrero-Garcia , Emiliano Molinaro , Michael A. Schmidt
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