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Natural Supersymmetry at the LHC
Masaki Asano, Hyung Do Kim, Ryuichiro Kitano +1
If the minimal supersymmetric standard model is the solution to the hierarchy problem, the scalar top quark (stop) and the Higgsino should weigh around the electroweak scale such a…
Tau polarization measurements at the LHC in supersymmetric models with a long-lived stau
Ryuichiro Kitano, Mitsutoshi Nakamura
Supersymmetry (SUSY) with a long-lived stau is an attractive scenario in the LHC experiments because one can directly observe stau tracks in each SUSY event, and thus precise measu…
Supersymmetry Breaking and Gauge Mediation
Ryuichiro Kitano, Hirosi Ooguri, Yutaka Ookouchi
We review recent works on supersymmetry breaking and gauge mediation. We survey our current understanding of dynamical supersymmetry breaking mechanisms and describe new model buil…
Constraints on Scalar Phantoms
Masaki Asano, Ryuichiro Kitano
We update the constraints on the minimal model of dark matter, where a stable real scalar field is added to the standard model Lagrangian with a renormalizable coupling to the Higg…