Predicting the superpartner spectrum from partially composite supersymmetry

Yusuf Buyukdag, Tony Gherghetta, Andrew S. Miller

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We use the idea of partial compositeness in a minimal supersymmetric model to relate the fermion and sfermion masses. By assuming that the Higgs and third-generation matter is (mostly) elementary, while the first- and second-generation matter is (mostly) composite, the Yukawa coupling hierarchy can be explained by a linear mixing between elementary states and composite operators with large anomalous dimensions. If the composite sector also breaks supersymmetry, then composite sfermions such as selectrons are predicted to be much heavier than the lighter elementary stops. This inverted sfermion mass hierarchy is consistent with current experimental limits that prefer light stops (O(10) TeV) to accommodate the 125 GeV Higgs boson, while predicting heavy first- and second-generation sfermions (?100 TeV) as indicated by flavor physics experiments. The underlying dynamics can be modeled by a dual 5D gravity theory that also predicts a gravitino dark matter candidate (?keV), together with gauginos and Higgsinos, ranging from 10-90 TeV, that are split from the heavier first- and second-generation sfermion spectrum. This intricate connection between the fermion and sfermion mass spectrum can be tested at future experiments.

Original languageEnglish (US)
Article number055018
JournalPhysical Review D
Volume99
Issue number5
DOIs
StatePublished - Mar 1 2019

Bibliographical note

Funding Information:
We thank Jason Evans, Ben Harling, and Alex Pomarol for helpful discussions. This work is supported in part by the U.S. Department of Energy under Grant No. DE-SC0011842 at the University of Minnesota.

Publisher Copyright:
© 2019 authors. Published by the American Physical Society.

Copyright:
Copyright 2019 Elsevier B.V., All rights reserved.

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