Natural Supersymmetry at the LHC
Masaki Asano, Hyung Do Kim, Ryuichiro Kitano, Yasuhiro Shimizu
TL;DR
This paper investigates the collider signatures of natural supersymmetry, focusing on a minimal model with light stop, Higgsino, and gravitino, to assess discovery prospects at the LHC.
Contribution
It provides an analysis of LHC signatures and detection strategies for the minimal natural SUSY model with light stop, Higgsino, and gravitino.
Findings
Potential LHC signatures identified for the minimal natural SUSY model.
Methods for mass measurement of superpartners discussed.
Discovery prospects evaluated for current and future LHC runs.
Abstract
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 as 200 GeV. A low messenger scale, which results in a light gravitino, is also suggested to suppress the quantum corrections to the Higgs mass parameters. Therefore the minimal model for natural supersymmetry is a system with stop/Higgsino/gravitino whereas other superparticles are heavy. We study the LHC signatures of the minimal system and discuss the discovery potential and methods for the mass measurements.
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