Leptogenic Supersymmetry

Details Leptogenic Supersymmetry Leptogenic Supersymmetry

2009-03-30

arxiv.org/abs/0903.5305v2

Phys.Rev.D 80:035010,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 16 figures; Figure 7,8,11,13 and Table 2 revised

Scientific paper

10.1103/PhysRevD.80.035010

Leptogenic supersymmetry is a scenario characterized by cascade decays with copious lepton production. Leptogenic models have striking signatures that can be probed by the LHC even in the 10 TeV run with as little as 200 pb^-1 of data, provided the squark masses are about 1 TeV. Leptogenic supersymmetry spectrum arises in several well-motivated models and its signatures are long-lived sleptons, numerous isolated leptons, abundant Higgs production, rather energetic jets, and no missing energy. The Higgs can be discovered in the h->b bbar mode via the 4 leptons+4 jets channel because the leptons accompanying Higgs production suppress the background. The superparticle masses in leptogenic supersymmetry can be measured efficiently due to lack of missing energy and high lepton multiplicity. We estimate that 1 fb^-1 of integrated luminosity is sufficient to determine the light Higgs, neutralinos, charginos, slepton, sneutrino and squark masses in a 14 TeV run.

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