Testing the Mechanism for the LSP Stability at the LHC

Details Testing the Mechanism for the LSP Stability at the LHC Testing the Mechanism for the LSP Stability at the LHC

2011-03-20

arxiv.org/abs/1103.3824v2

Phys.Lett.B702:260-264,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, 1 table, minor corrections, published in Physics Letters B

Scientific paper

10.1016/j.physletb.2011.07.015

The lightest supersymmetric particle (LSP) is a natural candidate for the cold dark matter of the universe. In this Letter we discuss how to test the mechanism responsible for the LSP stability at the LHC. We note that if R-parity is conserved dynamically one should expect a Higgs boson which decays mainly into two right-handed neutrinos (a "leptonic" Higgs) or into two sfermions. The first case could exhibit spectacular lepton number violating signals with four secondary vertices due to the long-lived nature of right-handed neutrinos. These signals, together with the standard channels for the discovery of SUSY, could help to establish the underlying theory at the TeV scale.

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