Flipped No-scale Supergravity: a Synopsis
J. Lopez, D. Nanopoulos
TL;DR
This paper reviews recent advances in no-scale supergravity and flipped SU(5), focusing on a light gravitino scenario that could explain certain collider events and discussing new dark matter possibilities.
Contribution
It provides an updated overview of no-scale supergravity and flipped SU(5), highlighting their phenomenological implications and recent experimental constraints.
Findings
Light gravitino scenario may explain CDF events
Updated constraints from LEP and Tevatron
Proposes new cold dark matter candidate
Abstract
We discuss the highlights of recent developments in no-scale supergravity and flipped SU(5), especially in the context of a very light gravitino scenario that may explain the puzzling CDF e+e+gamma+gamma+E_T,miss event. We update the status of both subjects and discuss the impact of the latest experimental constraints from LEP and the Tevatron. We also comment on a new form of cold dark matter that may solve this phenomenological `problem' of light gravitino models. [Lecture presented by D. V. Nanopoulos at the 34th International School of Subnuclear Physics "Effective theories and fundamental interactions", Erice, July 3-12, 1996.]
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Taxonomy
TopicsGeophysics and Gravity Measurements · Spacecraft and Cryogenic Technologies · Cosmology and Gravitation Theories