Abstract
We study an extension of the minimalChatterjee, Arindam supersymmetric standard model (MSSM) with additional right-handed singlet neutrino superfields in the context of a natural SUSY spectra,Dutta, Juhi i.e., focusing on low values of the Higgsino mass parameter. While such an extension incorporates a mechanism for the neutrino mass,Kumar Rai, Santosh it also opens up the possibility of having right-sneutrinos ( $$\widetilde{\nu }$$ ) as the lightest supersymmetric particle (LSP). Considering prompt decays of the Higgsino-like states, we consider leptonic channels at the large Hadron collider (LHC) and conclude that mono-lepton and opposite-sign di-lepton channels with low hadronic activity would be extremely useful channels to look for sneutrino LSP while same-sign di-lepton would serve as a strong confirmatory channel for discovery.
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