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The Maximal \(U(1)_L\) Inverse Seesaw from \(d=5\) Operator and Oscillating Asymmetric Sneutrino Dark Matter


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      The maximal \(U(1)_L\) supersymmetric inverse seesaw mechanism (M\(L\)SIS) provides a natural way to relate asymmetric dark matter (ADM) with neutrino physics. In this paper we point out that, M\(L\)SIS is a natural outcome if one dynamically realizes the inverse seesaw mechanism in the next-to minimal supersymmetric standard model (NMSSM) via the dimension-five operator \((N)^2S^2/M_*\), with \(S\) the NMSSM singlet developing TeV scale VEV; it slightly violates lepton number due to the suppression by the fundamental scale \(M_*\), thus preserving \(U(1)_L\) maximally. The resulting sneutrino is a distinguishable ADM candidate, oscillating and favored to have weak scale mass. A fairly large annihilating cross section of such a heavy ADM is available due to the presence of singlet.

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      12 pages, 1 figures; major revision in terms of some new insights in the asymmetric dark matter in SUSY
      hep-ph astro-ph.CO


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