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Hypercharged anomaly mediation.

Radovan Dermísek1, Herman Verlinde, Lian-Tao Wang

  • 1School of Natural Sciences, Institute for Advanced Study, Princeton, New Jersey 08540, USA.

Physical Review Letters
|June 4, 2008
PubMed
Summary
This summary is machine-generated.

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In string models, bino mass arises from a hidden sector, combining hypercharge and anomaly mediation. This predicts a viable superpartner spectrum within specific bino-to-gravitino mass ratios and gravitino mass ranges.

Area of Science:

  • High Energy Physics
  • String Theory
  • Supersymmetry

Background:

  • Minimal Supersymmetric Standard Model (MSSM) on D-branes.
  • Investigating mechanisms for generating particle masses in theoretical physics frameworks.

Purpose of the Study:

  • To explore the generation of bino mass in string models with MSSM on D-branes.
  • To analyze the implications of hypercharge and anomaly mediation working together.
  • To predict the superpartner spectrum and experimental signatures of this combined mediation scenario.

Main Methods:

  • Utilizing string theory models with D-branes.
  • Applying principles of hypercharge and anomaly mediation.
  • Analyzing the resulting superpartner mass spectrum.

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Main Results:

  • Bino mass generation in a geometrically separated hidden sector is demonstrated.
  • Hypercharge mediation naturally combines with anomaly mediation.
  • A distinctive and viable superpartner spectrum is predicted under specific conditions.

Conclusions:

  • The proposed mixed mediation scenario offers a unique and testable prediction for particle physics.
  • Experimental signatures are summarized for this specific string model scenario.
  • The findings provide a framework for further theoretical and experimental investigations in supersymmetry.