Supersymmetry without R-parity : Constraints from Leptonic Phenomenology

Details Supersymmetry without R-parity : Constraints from Leptonic Phenomenology Supersymmetry without R-parity : Constraints from Leptonic Phenomenology

1998-11-28

arxiv.org/abs/hep-ph/9811498v4

Phys.Rev. D62 (2000) 035001

Physics

High Energy Physics

High Energy Physics - Phenomenology

56 pages Revtex with figures incorporated; typos (including transcription typo in Table II) and minor corrections; proof-read

Scientific paper

10.1103/PhysRevD.62.035001

R-parity conservation is an {\it ad hoc} assumption in the most popular version of the supersymmetric standard model. Most studies of models which do allow for R-parity violation have been restricted to various limiting scenarios. The single-VEV parametrization used in this paper provides a workable framework to analyze phenomenology of the most general theory of SUSY without R-parity. We perform a comprehensive study of leptonic phenomenology at tree-level. Experimental constraints on various processes are studied individually and then combined to yield regions of admissible parameter space. In particular, we show that large R-parity violating bilinear couplings are not ruled out, especially for large $\tan\beta$.

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