PoS - Proceedings of Science
Volume 314 - The European Physical Society Conference on High Energy Physics (EPS-HEP2017) - Higgs and New Physics (Parallel Session). Conveners: Andre David; Marie-Helene Genest; Giuliano Panico. Scientific Secretary: Roberto Rossin.
Search for the decay of the Higgs boson into two nMSSM pseudo-scalar particles.
M. Janus*  on behalf of the ATLAS Collaboration
Full text: pdf
Pre-published on: October 20, 2017
Published on: March 20, 2018
Abstract
The next-to-minimal, supersymmetric Standard Model (nMSSM) predicts the existence of a light pseudo-scalar boson "$a$". If this particle were light enough, the decay of the Higgs boson into a pair of such particles. This scheme is searched for in several final states sensitive to different decay modes and mass ranges of the hypothetical pseudo-scalar, using ATLAS data amounting to either $20.3$ fb$^{-1}$ of p-p collisions at $\sqrt{s} = 8 \,$ TeV or between $3.2$ fb$^{-1}$ and $36.1$ fb$^{-1}$ at $\sqrt{s} = 13 \,$ TeV.
DOI: https://doi.org/10.22323/1.314.0293
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