Matches in SemOpenAlex for { <https://semopenalex.org/work/W1994257923> ?p ?o ?g. }
- W1994257923 abstract "Motivated by the observation that the Higgs quartic coupling runs to zero at an intermediate scale, we propose a new framework for models of split supersymmetry, in which gauginos acquire intermediate scale Dirac masses of $sim 10^{8-11}$ GeV. Scalar masses arise from one-loop finite contributions as well as direct gravity-mediated contributions. Like split supersymmetry, one Higgs doublet is fine-tuned to be light. The scale at which the Dirac gauginos are introduced to make the Higgs quartic zero is the same as is necessary for gauge coupling unification. Thus, gauge coupling unification persists (nontrivially, due to adjoint multiplets), though with a somewhat higher unification scale $gtrsim 10^{17}$ GeV. The $mu$-term is naturally at the weak scale, and provides an opportunity for experimental verification. We present two manifestations of Split Dirac Supersymmetry. In the Pure Dirac model, the lightest Higgsino must decay through R-parity violating couplings, leading to an array of interesting signals in colliders. In the Hypercharge Impure model, the bino acquires a Majorana mass that is one-loop suppressed compared with the Dirac gluino and wino. This leads to weak scale Higgsino dark matter whose overall mass scale, as well as the mass splitting between the neutral components, is naturally generated from the same UV dynamics. We outline the challenges to discovering pseudo-Dirac Higgsino dark matter in collider and dark matter detection experiments." @default.
- W1994257923 created "2016-06-24" @default.
- W1994257923 creator A5002428724 @default.
- W1994257923 creator A5020264364 @default.
- W1994257923 creator A5068888508 @default.
- W1994257923 date "2014-10-07" @default.
- W1994257923 modified "2023-10-17" @default.
- W1994257923 title "Split Dirac supersymmetry: An ultraviolet completion of Higgsino dark matter" @default.
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