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hep-ph2024
The curtain lowers on directly detectable higgsino dark matter
Stephen P. Martin
A higgsino could be some or all of the dark matter, with a mass bounded from above by about 1.1 TeV assuming a thermal freezeout density, and from below by collider searches. Direc…
hep-ph2024
Effective Kähler and auxiliary field potentials for chiral superfield models at three loops
Stephen P. Martin
I obtain the effective Kähler potential at three-loop order for a general renormalizable supersymmetric theory containing only chiral supermultiplets. The three-loop contribution i…
hep-ph2024
Implications of purity constraints on light higgsinos
Stephen P. Martin
The lightest supersymmetric particles could be higgsinos that have a small mixing with gauginos. If the lightest higgsino-like state makes up some or all of the dark matter with a…