A Simple Phenomenological Parametrization of Supersymmetry without R-Parity
Abstract
We present a parametrization of the supersymmetric standard model without R-parity that permits efficient phenomenological analyses of the full model without a priori assumptions. Under the parametrization, which is characterized by a single vacuum expectation value for the scalar components of the Y=-1/2 superfields, the expressions for tree-level mass matrices are quite simple. They do not involve the trilinear R-parity violating couplings; however, the bilinear {\mu}_i terms do enter and cannot be set to zero without additional assumptions. We set up a framework for doing phenomenology and show some illustrative results for fermion mass matrices and related bounds on parameters. We find in particular that large values of tan(beta) can suppress R-parity violating effects, substantially weakening experimental constraints.
Keywords
Cite
@article{arxiv.hep-ph/9804282,
title = {A Simple Phenomenological Parametrization of Supersymmetry without R-Parity},
author = {Mike Bisset and Otto C. W. Kong and Cosmin Macesanu and Lynne H. Orr},
journal= {arXiv preprint arXiv:hep-ph/9804282},
year = {2008}
}
Comments
LaTeX file plus postscript figure files, 17 pages; minor typographical changes, to appear in Physics Letters B