Date of Award


Degree Type


Degree Name

Doctor of Philosophy (PhD)

Graduate Group

Physics & Astronomy

First Advisor

Burt A. Ovrut


We develop connections between a string-motivated realization of the minimal

B â?? L extension of the MSSM and LHC-observable phenomenology. Using a

random scan of the high-scale parameter space, together with numerical solution

of the renormalization group equations, we connect the modelâ??s roots in String

Theory to its phenomenological implications for the LHC. One predictive result of

this approach is a limited set of possible lightest supersymmetric particles (LSPs).

Motivated by this result, we study the implications of a stop or sbottom LSP at

the LHC. This yields predictive connections between the neutrino sector and the

LHC. We present lower bounds on the mass of stop and sbottom LSPs.

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