Proton Decay at $M_{pl}$ and the Scale of SUSY-Breaking
Abstract
It is sometimes argued that a virtue of pushing the supersymmetry breaking scale above 1 PeV is that no particular flavor structure is required in the soft sector in order to evade bounds on flavor-changing neutral currents. However, without flavor structure, suppressing generic Planck-suppressed contributions to proton decay requires even higher SUSY scales, of order () GeV for degenerate (mini-split) gauginos and scalars. With flavor structure, the question of whether proton decay or flavor symmetries are more constraining is model-dependent, but it straightforward to find simple models where both constraints are satisfied for much lower SUSY scales.
Keywords
Cite
@article{arxiv.1308.0274,
title = {Proton Decay at $M_{pl}$ and the Scale of SUSY-Breaking},
author = {Michael Dine and Patrick Draper and William Shepherd},
journal= {arXiv preprint arXiv:1308.0274},
year = {2015}
}
Comments
14 pages, 1 figure. v2: expanded discussion of alignment models in sec. 3. accepted for publication in JHEP