108 citations · 291 across the 7 of their papers we have counts for
5 papers · 1 filter
Dark Energy and Right-Handed Neutrinos
Riccardo Barbieri, Lawrence J. Hall, Steven J. Oliver +1
We explore the possibility that a CP violating phase of the neutrino mass matrix is promoted to a pseudo-Goldstone-boson field and is identified as the quintessence field for Dark…
Why Are Neutrinos Light? -- An Alternative
Lawrence J. Hall, Steven J. Oliver
We review the recent proposal that neutrinos are light because their masses are proportional to a low scale, f, of lepton flavor symmetry breaking. This mechanism is testable becau…
Late Time Neutrino Masses, the LSND Experiment and the Cosmic Microwave Background
Z. Chacko, Lawrence J. Hall, Steven J. Oliver +1
Models with low-scale breaking of global symmetries in the neutrino sector provide an alternative to the seesaw mechanism for understanding why neutrinos are light. Such models can…
CMB Signals of Neutrino Mass Generation
Z. Chacko, Lawrence J. Hall, Takemichi Okui +1
We propose signals in the cosmic microwave background to probe the type and spectrum of neutrino masses. In theories that have spontaneous breaking of approximate lepton flavor sym…
Radiative Electroweak Symmetry Breaking from a Quasi-Localized Top Quark
Riccardo Barbieri, Lawrence J. Hall, Guido Marandella +4
We consider 5D supersymmetric SU(3) x SU(2) x U(1) theories compactified at the TeV scale on S^1/Z_2 with supersymmetry broken by boundary conditions. Localizing the top quark at a…