Neutrino-Flavoured Sneutrino Dark Matter

Abstract

A simple theory of supersymmetric dark matter (DM) naturally linked to neutrino flavour physics is studied. The DM sector comprises a spectrum of mixed lhd-rhd sneutrino states where both the sneutrino flavour structure and mass splittings are determined by the associated neutrino masses and mixings. Prospects for indirect detection from solar capture are good due to a large sneutrino-nucleon cross-section afforded by the inelastic splitting (solar capture limits exclude an explanation of DAMA/LIBRA). We find parameter regions where all heavier states will have decayed, leaving only one flavour mixture of sneutrino as the candidate DM. Such regions have a unique `smoking gun' signature--sneutrino annihilation in the Sun produces a pair of neutrino mass eigenstates free from vacuum oscillations, with the potential for detection at neutrino telescopes through the observation of a hard spectrum of nu_mu and nu_tau (for a normal neutrino hierarchy). Next generation direct detection experiments can explore much of the parameter space through both elastic and inelastic scattering. We show in detail that the observed neutrino masses and mixings can arise as a consequence of supersymmetry breaking effects in the sneutrino DM sector, consistent with all experimental constraints.

25 pages, 11 figures

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• Flavored Dark Matter, and Its Implications for Direct Detection and Colliders
• Fingerprinting the extended Higgs sector using one-loop corrected Higgs boson couplings and future precision measurements
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• Consequences of DM/antiDM Oscillations for Asymmetric WIMP Dark Matter
• Sneutrino Dark Matter in Gauged Inverse Seesaw Models for Neutrinos
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• A Three-Loop Model of Neutrino Mass with Dark Matter
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• Impact of Semi-annihilation of Z3 Symmetric Dark Matter with Radiative Neutrino Masses
• A Model of Radiative Neutrino Mass: with or without Dark Matter
• Top-flavored dark matter and the forward-backward asymmetry
• Inert Extension of the Zee-Babu Model
• Recipes and Ingredients for Neutrino Mass at Loop Level
• Flavored Dark Matter: A Review
• Light mixed sneutrinos as thermal dark matter
• Mixed sneutrino dark matter in light of the 2011 XENON and LHC results
• A Three-Loop Neutrino Model with Global $U(1)$ Symmetry
• Three Loop Neutrino Model with Isolated $k^{\pm \pm }$
• X-ray line in Radiative Neutrino Model with Global $U(1)$ Symmetry
• Beyond Minimal Lepton Flavored Dark Matter
• Astrophysical limits on light NMSSM neutralinos
• Sneutrino Dark Matter in Low-scale Seesaw Scenarios
• The right-handed sneutrino as thermal dark matter in U(1) extensions of the MSSM
• Radiatively induced Quark and Lepton Mass Model
• An $SU(2{)}_L$ Septet Scalar Linking to Radiative Neutrino Model
• Flavoring Monochromatic Neutrino Flux from Dark Matter Annihilation
• Light Sneutrino Dark Matter at the LHC
• Two-loop Neutrino Model with Exotic Leptons
• Higgs Boson Mass and Complex Snuetrino Dark Matter in the Supersymmetric Inverse Seesaw Models
• A Couplet from Flavored Dark Matter
• Scalar neutrino dark matter in $U(1{)}_X$SSM
• Multi-lepton signatures at LHC from sneutrino dark matter
• Addressing Astrophysical and Cosmological Problems With Secretly Asymmetric Dark Matter
• Multicomponent Dark Matter in Radiative Seesaw Models
• Skew-Flavored Dark Matter
• Small neutrino masses due to R-symmetry breaking for a small cosmological constant
• Radiative Neutrino Mass in Alternative Left-Right Model
• Simplified Supersymmetry with Sneutrino LSP at 8 TeV LHC
• Right-handed sneutrino dark matter and big-bang nucleosynthesis
• Monochromatic neutrino lines from sneutrino dark matter
• Radiative Seesaw Model with Degenerate Majorana Dark Matter
• Dark matter indirect detection signals and the nature of neutrinos in the supersymmetric $U(1{)}_{B-L}$ extension of the standard model
• Secretly Asymmetric Dark Matter
• Suppressed flavor violation in Lepton Flavored Dark Matter from an extra dimension
• One-loop contribution to the neutrino mass matrix in NMSSM with right-handed neutrinos and tri-bimaximal mixing
• The Dark Side of ${\theta }_{13}$, ${\delta }_{CP}$, Leptogenesis and Inflation in Type-I Seesaw
• Scalar neutrino dark matter in BLMSSM