The supersymmetric (SUSY) $E_6$ inspired $U(1)_N$ extension of the Standard Model includes exotic fermions to ensure anomaly cancellation. The cold dark matter in this SUSY model (SE$_6$SSM)
can be formed by the gravitino with mass $m_{3/2}\lesssim 1\,\mbox{GeV}$ and the lightest neutral exotic fermion. We examine the spin-independent dark matter nucleon scattering cross-section within the SE$_6$SSM and argue that it can be substantially smaller than the current experimental bounds.
Volume 455 -
International Conference on Particle Physics and Cosmology (ICPPCRubakov2023) -
Parallel session Physics beyond the Standard Model
Cold Dark Matter in the SE$_6$SSM
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Pre-published on:
April 11, 2024
Published on:
May 17, 2024
Abstract
DOI: https://doi.org/10.22323/1.455.0010
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.