Low scale supersymmetry breaking and signatures at the LHC from Higgs decays

par Alberto Romagnoni (Collège de France (Paris))

jeudi 14 mars 2013, 14:00 → 15:00 Europe/Paris

Auditorium Vivargent (Annecy-le-Vieux)

I will discuss how the usual MSSM Higgs sector is modified when supersymmetry is assumed to be spontaneously broken at energies of the order of a few TeV. In such scenarios, it is possible to raise the tree level masses of all the scalars and easily provide a Higgs boson at around 125 GeV. Moreover, non-standard Higgs decays can take place and give rise to characteristic signatures at the LHC. In particular, I will discuss the prospects for the discovery of a Higgs to gravitino and neutralino decay in the monophoton + MET channel. Finally, all the Higgs couplings, except the ones to the Z and W bosons, receive tree level corrections that depend on the MSSM soft parameters. I will show a region in the parameter space where the normalized Higgs coupling to photons is enhanced, while those to the tau leptons and bottom quarks can be disentangled.