85 citations · 1.1k across the 46 of their papers we have counts for
5 papers · 1 filter
Non-Anomalous Discrete R-symmetry Decrees Three Generations
Jason L. Evans, Masahiro Ibe, John Kehayias +1
We show that more than two generations of quarks and leptons are required to have an anomaly free discrete R-symmetry larger than R-parity, provided that the supersymmetric Standar…
Probing Extra Matter in Gauge Mediation Through the Lightest Higgs Boson Mass
Jason L. Evans, Masahiro Ibe, Tsutomu T. Yanagida
We discuss the implications of the excesses in LHC Higgs boson searches on the gauge mediated supersymmetric standard model, for the mass range 120-140\,GeV. We find that a relativ…
Relatively Heavy Higgs Boson in More Generic Gauge Mediation
Jason L. Evans, Masahiro Ibe, Tsutomu T. Yanagida
We discuss gauge mediation models where the doublet messengers and Higgs doublets are allowed to mix through a "charged" coupling. The charged coupling replaces messenger parity as…
Hermitian Flavor Violation
Jason Evans, Brian Feldstein, William Klemm +2
The fundamental constraint on two Higgs doublet models comes from the requirement of sufficiently suppressing flavor-changing neutral currents. There are various standard approache…
Simplified R-Symmetry Breaking and Low-Scale Gauge Mediation
Jason L. Evans, Masahiro Ibe, Matthew Sudano +1
We argue that some of the difficulties in constructing realistic models of low-scale gauge mediation are artifacts of the narrow set of models that have been studied. In particular…