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Related Experiment Video

Updated: Jun 29, 2025

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

Weak Scale Supersymmetry Emergent from the String Landscape.

Howard Baer¹, Vernon Barger², Dakotah Martinez¹

¹Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK 73019, USA.

Entropy (Basel, Switzerland)

|March 28, 2024

Summary

This summary is machine-generated.

The string landscape suggests natural supersymmetry is most probable, with a Higgs mass around 125 GeV. This natural supersymmetry is expected to be discovered at future Large Hadron Collider upgrades.

Keywords:

landscape lhc string theory supersymmetry

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Area of Science:

Theoretical Physics
String Theory
Cosmology

Background:

Superstring flux compactifications offer a framework for stabilizing moduli and generating a vast number of vacuum solutions.
The string landscape is the leading explanation for the observed cosmological constant and may predict the emergence of weak-scale supersymmetry.

Purpose of the Study:

To investigate the probability of different supersymmetric models emerging from the string landscape.
To determine the likelihood of natural versus fine-tuned supersymmetric models.
To predict sparticle and Higgs masses based on landscape probabilities.

Main Methods:

Analyzing the implications of anthropic selection on the weak scale within the string landscape.
Calculating relative probabilities for supersymmetric model emergence based on parameter space size.
Deriving probability distributions for sparticle and Higgs masses.

Main Results:

Natural weak-scale supersymmetry models occupy larger parameter spaces and are thus more probable.
Fine-tuned models like high-scale or split supersymmetry are less likely due to reduced parameter space.
Probability distributions favor a Higgs boson mass (mh) around 125 GeV, with sparticles likely beyond current LHC detection limits.

Conclusions:

Natural supersymmetry is the most likely scenario predicted by the string landscape.
Future Large Hadron Collider upgrades are expected to reveal natural supersymmetry.
The findings align with current experimental data, including the observed Higgs mass.