Constraints on mediator-based dark matter and scalar dark energy models using root s= 13 TeV pp collision data collected by the ATLAS detector



Aaboud, M, Aad, G, Abbott, B, Abbott, DC, Abdinov, O, Abud, A Abed, Abhayasinghe, DK, Abidi, SH, AbouZeid, OS, Abraham, NL
et al (show 2918 more authors) (2019) Constraints on mediator-based dark matter and scalar dark energy models using root s= 13 TeV pp collision data collected by the ATLAS detector. JOURNAL OF HIGH ENERGY PHYSICS, 2019 (5).

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Abstract

Constraints on selected mediator-based dark matter models and a scalar dark energy model using up to 37 fb−1s√ = 13 TeV pp collision data collected by the ATLAS detector at the LHC during 2015-2016 are summarised in this paper. The results of experimental searches in a variety of final states are interpreted in terms of a set of spin-1 and spin-0 single-mediator dark matter simplified models and a second set of models involving an extended Higgs sector plus an additional vector or pseudo-scalar mediator. The searches considered in this paper constrain spin-1 leptophobic and leptophilic mediators, spin-0 colour-neutral and colour-charged mediators and vector or pseudo-scalar mediators embedded in extended Higgs sector models. In this case, also s√ = 8 TeV pp collision data are used for the interpretation of the results. The results are also interpreted for the first time in terms of light scalar particles that could contribute to the accelerating expansion of the universe (dark energy).

Item Type: Article
Uncontrolled Keywords: Dark matter, Hadron-Hadron scattering (experiments)
Depositing User: Symplectic Admin
Date Deposited: 25 Jun 2019 10:33
Last Modified: 28 Oct 2020 21:12
DOI: 10.1007/JHEP05(2019)142
Open Access URL: https://doi.org/10.1007/JHEP05(2019)142
Related URLs:
URI: http://livrepository.liverpool.ac.uk/id/eprint/3047286