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Search for mono-Higgs signals at the LHC in the B - L supersymmetric standard model

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摘要

We study mono-Higgs signatures emerging in the B - L supersymmetric standard model induced by new channels not present in the minimal supersymmetric standard model, i.e., via topologies in which the mediator is either a heavy Z', with mass of (sic)(2 TeV), or an intermediate h' (the lightest CP-even Higgs state of B - L origin), with a mass of (sic)(0.2 TeV). The mono-Higgs probe considered is the standard model-like Higgs state recently discovered at the Large Hadron Collider, so as to enforce its mass reconstruction for background reduction purposes. With this in mind, its two cleanest signatures are selected: gamma gamma and ZZ* -> 4l (l = e,mu). We show how both of these can be accessed with foreseen energy and luminosity options using a dedicated kinematic analysis performed in the presence of partonic, showering, hadronization and detector effects.

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