two gamma event


Tony Gherghetta

Generating a little hierarchy with accidental SUSY

May 23, 2011

pdf file mp4 file

Abstract: An emergent or accidental supersymmetry is used to address the little hierarchy problem in Randall-Sundrum models by naturally generating a hierarchy between the IR scale and the electroweak scale. Supersymmetry is broken on the UV brane which triggers the stabilization of the warped extra dimension at an IR scale of order 10 TeV. This causes the first two sparticle generations to decouple, thereby avoiding the supersymmetric flavour and CP problems, while an accidental R-symmetry protects the gaugino mass. The resulting low-energy sparticle spectrum consists of stops, gauginos and Higgsinos which are sufficient to stabilize the little hierarchy between the IR scale and the electroweak scale. Introducing a singlet Higgs field on the IR brane, ameliorates the supersymmetric little hierarchy problem, and allows Higgs masses up to 300 GeV.

Time: 1:00pm-2:00pm

calendar page

2011/may/gherghetta.txt ยท Last modified: 2013/10/28 21:31 (external edit)
Recent changes RSS feed Creative Commons License Powered by PHP