Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/114055
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dc.contributor.authorAthron, P.-
dc.contributor.authorHarries, D.-
dc.contributor.authorNevzorov, R.-
dc.contributor.authorWilliams, A.-
dc.date.issued2016-
dc.identifier.citationThe Journal of High Energy Physics, 2016; 2016(12):128-1-128-124-
dc.identifier.issn1126-6708-
dc.identifier.issn1029-8479-
dc.identifier.urihttp://hdl.handle.net/2440/114055-
dc.description.abstractWe investigate dark matter in a constrained E₆ inspired supersymmetric model with an exact custodial symmetry and compare with the CMSSM. The breakdown of E 6 leads to an additional U(1)N symmetry and a discrete matter parity. The custodial and matter symmetries imply there are two stable dark matter candidates, though one may be extremely light and contribute negligibly to the relic density. We demonstrate that a predominantly Higgsino, or mixed bino-Higgsino, neutralino can account for all of the relic abundance of dark matter, while fitting a 125 GeV SM-like Higgs and evading LHC limits on new states. However we show that the recent LUX 2016 limit on direct detection places severe constraints on the mixed bino-Higgsino scenarios that explain all of the dark matter. Nonetheless we still reveal interesting scenarios where the gluino, neutralino and chargino are light and discoverable at the LHC, but the full relic abundance is not accounted for. At the same time we also show that there is a huge volume of parameter space, with a predominantly Higgsino dark matter candidate that explains all the relic abundance, that will be discoverable with XENON1T. Finally we demonstrate that for the E₆ inspired model the exotic leptoquarks could still be light and within range of future LHC searches.-
dc.description.statementofresponsibilityP. Athron, D. Harries, R. Nevzorov and A.G. Williams-
dc.language.isoen-
dc.publisherSpringer-
dc.rights© The Authors. Article funded by SCOAP³. Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.-
dc.source.urihttp://dx.doi.org/10.1007/jhep12(2016)128-
dc.subjectCosmology of theories beyond the SM; supersymmetric standard model-
dc.titleDark matter in a constrained E₆ inspired SUSY model-
dc.title.alternativeDark matter in a constrained E(6) inspired SUSY model-
dc.typeJournal article-
dc.identifier.doi10.1007/JHEP12(2016)128-
pubs.publication-statusPublished-
dc.identifier.orcidHarries, D. [0000-0002-2476-6989]-
dc.identifier.orcidWilliams, A. [0000-0002-1472-1592]-
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