Lepton flavour violating slepton decays to test type-I and II seesaw at the LHC

Details Lepton flavour violating slepton decays to test type-I and II seesaw at the LHC Lepton flavour violating slepton decays to test type-I and II seesaw at the LHC

2009-09-30

arxiv.org/abs/0909.5627v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages; to appear in the proceedings of the 17th International Conference on Supersymmetry and the Unification of Fundamental

Scientific paper

Searches at the LHC of lepton flavour violation (LFV) in slepton decays can indirectly test both type-I and II seesaw mechanisms. Assuming universal flavour-blind boundary conditions, LFV in the neutrino sector is related to LFV in the slepton sector by means of the renormalization group equations. Ratios of LFV slepton decay rates result to be a very effective way to extract the imprint left by the neutrino sector. Some neutrino scenarios within the type-I seesaw mechanism are studied. Moreover, for both type-I and II seesaw mechanisms, a scan over the minimal supergravity parameter space is performed to estimate how large LFV slepton decay rates can be, while respecting current low-energy constraints.

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