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Search for the decay of the Higgs boson into two nMSSM pseudo-scalar particles.

L. Zivkovic, A. Collaboration, on behalf of the ATLAS collaboration

in 38th International Conference on High Energy Physics

Contribution: pdf


The next to MSSM theory predicts the existence of a light pseudoscalar boson "$a$", and the decay of the Higgs boson
into a pair of such particles. The search for this model in several final states relative to different decay modes of the
"$a$" particle, is presented using 20.3~\ifb\ and 3.2~\ifb\ of data at the $\sqrt{s}=8$~TeV
and $\sqrt{s}=13$~TeV, respectively, taken by the ATLAS detector at the LHC.