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Comparing 2HDM $+$ Scalar and Pseudoscalar Simplified Models at LHC

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arxiv 2001.10540 v2 pith:NLUVTUIP submitted 2020-01-28 hep-ph hep-ex

classification hep-phhep-ex
keywords modelsmono-pseudoscalarscalardarkmattersimplifiedsinglet
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

In this work we compare the current experimental LHC limits of the 2HDM $+$ scalar and pseudoscalar for the $t \bar{t}$, mono-$Z$ and mono-$h$ signatures and forecast the reach of future LHC upgrades for the mono-$Z$ channel. Furthermore, we comment on the possibility, in case of a signal detection, to discriminate between the two models. The 2HDM+S and 2HDM+PS are two notable examples of the so-called next generation of Dark Matter Simplified Models. They allow for a renormalizable coupling of fermionic, Standard Model singlet, Dark Matter with a two Higgs doublet sector, through the mixing of the latter with a scalar or pseudoscalar singlet.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Dark Matter in the General 2HDM with Extra Top Yukawa Couplings

    hep-ph 2026-07 conditional novelty 5.0 of 10

    G2HDM plus a Z2-odd real scalar singlet yields viable top-window dark matter and six LHC benchmarks, including flavor-violating mono-top production of invisible H→SS.

  2. WIMPs Below the Radar: Blind Spots and Benchmarks Beyond the Neutrino Floor

    hep-ph 2025-06 conditional novelty 4.0 of 10

    In three WIMP models, blind spots and loop corrections keep spin-independent scattering below current bounds and, in parts of parameter space, below the neutrino floor, while satisfying thermal relic density.

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