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The Higgs and WIMP DM Lamp Posts for New Weak Scale Physics: EFT Perspectives and the NMSSM

2018/12/27 by Nausheen R. Shah, Shah, Nausheen R.
Computer Science · Engineering · Physics and Astronomy · #Computational Physics and Python Applications #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #Particle Accelerators and Free-Electron Lasers #Particle physics theoretical and experimental studies #hep-ex #hep-ph

paper · pdf · doi:10.48550/arxiv.1812.10882

6 pages, 7 figures. Contribution to the proceedings of the 7th Workshop on Theory, Phenomenology and Experiments in Flavour Physics, Capri, 8-10 June 2018, http://inspirehep.net/record/1646153

openalex publication_date 2018/12/27 · arxiv created 2018/12/28 · arxiv updated 2018/12/31 · openalex created_date 2022/08/01 · openalex updated_date 2026/07/28

Abstract

I will show, via effective field theory (EFT) techniques, that obtaining an observationally consistent relic density while evading stringent direct detection limits and maintaining h125 phenomenology in an extended Higgs sector can be easily achieved. I will then map such an EFT to the low energy limit of the NMSSM with the Higgsinos integrated out. Both the singlino and the singlet-like CP-odd and even scalars in the NMSSM may play a relevant role in such a scenario, while being difficult to probe via conventional searches. The singlet sector of the general NMSSM can be mapped on to a 2HDM+S, and I will discuss prospects of probing this at the LHC using signatures such as mono-Higgs and mono-Z. This proceeding is mostly based on Refs. arXiv:1712.09873 and arXiv:1808.02667.

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