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

Abdallah, W., Hammad, A., Khalil, S. and Moretti, S. (2017) Search for Mono-Higgs signals at the LHC in the B-L supersymmetric standard model. Physical Review D, 95 (5), [005019]. (doi:10.1103/PhysRevD.95.055019).

Record type: Article

Abstract

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 ${\cal O}(2~{\rm TeV})$, or an intermediate $h'$ (the lightest CP-even Higgs state of $B-L$ origin), with mass of ${\cal O}(0.2~{\rm TeV})$. The mono-Higgs probe considered is the SM-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 $ZZ^*\to 4l$ ($l=e,~\mu$). We show how both of these can be accessed with foreseen energy and luminosity options using a dedicated kinematic analysis performed in presence of partonic, showering, hadronisation and detector effects.

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