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Gravity-assisted exact unification in minimal supersymmetric SU(5) and its gaugino mass spectrum
Kazuhiro Tobe, James D. Wells
Minimal supersymmetric SU(5) with exact unification is naively inconsistent with proton decay constraints. However, it can be made viable by a gravity-induced non-renormalizable op…
Neutrino-induced lepton flavor violation in gauge-mediated supersymmetry breaking
Kazuhiro Tobe, James D. Wells, Tsutomu Yanagida
Gauge-mediated supersymmetry breaking is known to greatly suppress flavor changing neutral current effects. However, we show that gauge mediation in the context of leptogenesis imp…
Implications of Supersymmetry Breaking with a Little Hierarchy between Gauginos and Scalars
James D. Wells
From a theoretical point of view it is not hard to imagine gaugino masses being much lighter than scalar masses. The dominant contributions to gaugino masses are then their anomaly…
Abelian D-terms and the superpartner spectrum of anomaly-mediated supersymmetry breaking
Brandon Murakami, James D. Wells
We address the tachyonic slepton problem of anomaly mediated supersymmetry breaking using abelian D-terms. We demonstrate that the most general extra U(1) symmetry that does not di…
Revisiting Top-Bottom-Tau Yukawa Unification in Supersymmetric Grand Unified Theories
Kazuhiro Tobe, James D. Wells
Third family Yukawa unification, as suggested by minimal SO(10) unification, is revisited in light of recent experimental measurements and theoretical progress. We characterize uni…