Mass Spectrum in R-Parity Violating mSUGRA and Benchmark Points

Details Mass Spectrum in R-Parity Violating mSUGRA and Benchmark Points Mass Spectrum in R-Parity Violating mSUGRA and Benchmark Points

2006-09-26

arxiv.org/abs/hep-ph/0609263v3

Phys.Rev.D75:035002,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 11 figures

Scientific paper

10.1103/PhysRevD.75.035002

We investigate in detail the low-energy spectrum of the R-parity violating mSUGRA model using the computer program \texttt{SOFTSUSY}. We impose the experimental constraints from the measurement of the anomalous magnetic moment of the muon, $(g-2)_\mu$, the decay $b\ra s\gamma$ as well as the mass bounds from direct searches at colliders, in particular on the Higgs boson and the lightest chargino. We also include a new calculation for the R parity violating contribution to $\Br(B_s\ra \mu^+\mu^-)$. We then focus on cases where the lightest neutralino is {\em not} the lightest supersymmetric particle (LSP). In this region of parameter space either the lightest scalar tau (stau) or the scalar tau neutrino (tau sneutrino) is the LSP. We suggest four benchmark points with typical spectra and novel collider signatures for detailed phenomenological analysis and simulation by the LHC collaborations.

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