Effective R-parity violation from supersymmetry breaking

Details Effective R-parity violation from supersymmetry breaking Effective R-parity violation from supersymmetry breaking

2003-04-17

arxiv.org/abs/hep-ph/0304170v2

Phys.Rev. D69 (2004) 075004

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, Revtex4. Main changes with respect to Version 1 are: improved discussions on RGE effects, discussion added

Scientific paper

10.1103/PhysRevD.69.075004

We present a scenario in which Yukawa-like R-parity violating (RPV) couplings are naturally suppressed. In our framework, RPV is assumed to originate from the SUSY breaking mechanism and then transmitted into the SUSY Lagrangian only through soft SUSY breaking operators in the scalar potential. The RPV Yukawa-like operators of the superpotential, conventionally parametrized by the couplings \lambda, \lambda' and \lambda'', are then generated through loops containing the SUSY scalars, the gauginos and the soft RPV interactions and are, therefore, manifest as effective operators with a typical strength of order 10^{-3}.

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