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Some new aspects of supersymmetry R -parity violating interactions

1989; American Physical Society; Volume: 40; Issue: 9 Linguagem: Inglês

10.1103/physrevd.40.2987

1538-4500

V. Barger, Gian F. Giudice, Tao Han,

Cosmology and Gravitation Theories

We examine $R$-parity-breaking interactions with lepton-number violation in the minimal supergravity model and obtain new stringent bounds on the coupling constants from low-energy processes. We discuss the decay of the lightest supersymmetric particle and analyze possible signatures for $R$-parity-violating interactions in $W$, $Z$, and Higgs-boson decays, and in ${e}^{+}{e}^{\ensuremath{-}}$ collisions.