Thermal right-handed sneutrino dark matter

F. Deppisch, A. Pilaftsis

    Research output: Contribution to journalArticlepeer-review


    We discuss the relic abundance of the right-handed sneutrinos in the supersymmetric FD-term model of hybrid inflation. As well as providing a natural solution to the μ -and gravitino overabundance problems, the model offers the lightest right-handed sneutrino as a candidate for thermal dark matter. The FD-term model predicts a new quartic coupling of purely right-handed sneutrinos to the Higgs doublets that thermalizes the sneutrinos and makes them annihilate sufficiently fast to a level compatible with the current cosmic microwave background data. We discuss this scenario and identify favourable regions of the parameter space within mSUGRA. © 2008 American Institute of Physics.
    Original languageEnglish
    Pages (from-to)572-574
    Number of pages2
    JournalAIP Conference Proceedings
    Publication statusPublished - 2008


    • Dark matter
    • Inflation
    • Supersymmetry


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