When Freeze-out Precedes Freeze-in: Sub-TeV Fermion Triplet Dark Matter with Radiative Neutrino Mass

Abstract

We propose a minimal predictive scenario for dark matter and radiative neutrino mass where the relic abundance of dark matter is generated from a hybrid setup comprising of both thermal freeze-out as well as non-thermal freeze-in mechanisms. Considering three copies of fermion triplets and one scalar doublet, odd under an unbroken ${\mathbb{Z}}_2$ symmetry, to be responsible for radiative origin of neutrino mass, we consider the lightest fermion triplet as a dark matter candidate which remains under-abundant in the sub-TeV regime from usual thermal freeze-out. Late decay of the ${\mathbb{Z}}_2$-odd scalar doublet into dark matter serves as the non-thermal (freeze-in) contribution which not only fills the thermal dark matter deficit, but also constrains the mother particle's parameter space so that the correct relic abundance of dark matter is generated. Apart from showing interesting differences from the purely freeze-out and purely freeze-in dark matter scenarios, the model remains testable through disappearing charge track signatures at colliders, observable direct and indirect detection rates for dark matter and prediction of almost vanishing lightest neutrino mass.

29 pages, 10 figures, few minor changes in the text, version published in JCAP

References in corpus (28)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• A direct empirical proof of the existence of dark matter
• Results from a search for dark matter in the complete LUX exposure
• Dark Matter Results From 54-Ton-Day Exposure of PandaX-II Experiment
• Dark Matter Results from First 98.7-day Data of PandaX-II Experiment
• The Dawn of FIMP Dark Matter: A Review of Models and Constraints
• Non-perturbative Effect on Thermal Relic Abundance of Dark Matter
• Review of LHC Dark Matter Searches
• Dark Matter Candidates: A Ten-Point Test
• A new viable region of the inert doublet model
• Search for long-lived charginos based on a disappearing-track signature in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Fermion Triplet Dark Matter and Radiative Neutrino Mass
• keV Sterile Neutrino Dark Matter from Singlet Scalar Decays: The Most General Case
• Freezing-in dark matter through a heavy invisible $Z^{\prime }$
• Measurement of the CKM angle $\gamma$ from a combination of LHCb results
• Freeze-in Production of Sterile Neutrino Dark Matter in U(1)${}_{\mathrm{B}-\mathrm{L}}$ Model
• Nonthermal Two Component Dark Matter Model for Fermi-LAT $\gamma$-ray excess and 3.55 keV X-ray Line
• FIMP and Muon ($g-2$) in a U$(1{)}_{L_{\mu }-L_{\tau }}$ Model
• A New Viable Region of Inert Higgs Doublet Dark Matter Model with Scotogenic Extension
• A UV Complete Framework of Freeze-in Massive Particle Dark Matter
• SUSY Implications from WIMP Annihilation into Scalars at the Galactic Centre
• The Pursuit of Dark Matter at Colliders - An Overview
• Common Origin of Dirac Neutrino Mass and Freeze-in Massive Particle Dark Matter
• Einstein-Gauss-Bonnet Black Strings at Large $D$
• Calculation of Momentum Distribution Function of a Non-thermal Fermionic Dark Matter
• Singlet-Triplet Fermionic Dark Matter and LHC Phenomenology
• Search for the standard model Higgs boson in the H to ZZ to ll tau tau decay channel in pp collisions at sqrt(s)=7 TeV

Cited by in corpus (12)

• Search for disappearing tracks in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Type III Seesaw for Neutrino Masses in $U(1{)}_{B-L}$ Model with Multi-component Dark Matter
• Probing Dark Matter with Disappearing Tracks at the LHC
• Self-interacting Dark Matter via Right Handed Neutrino Portal
• CMB signature of non-thermal Dark Matter produced from self-interacting dark sector
• Connecting ANITA Anomalous Events to a Non-thermal Dark Matter Scenario
• Right sneutrino with $\Delta L=2$ masses as non-thermal dark matter
• Long Dead Winos
• Electric dipole moments in the extended scotogenic models
• Reviewing the prospect of fermion triplets as dark matter and source of baryon asymmetry in non-standard cosmology
• Planck Scale Origin of Non-zero ${\theta }_{13}$ and Super-WIMP Dark Matter
• Flavour anomalies and dark matter assisted unification in $SO(10)$ GUT