Constraining Elko dark matter at the LHC with monophoton events
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Data
2018
Autores
Alves, Alexandre [UNIFESP]
Dias, M. [UNIFESP]
de Campos, F.
Duarte, L.
Hoff da Silva, J. M.
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Resumo
A mass-dimension-one fermion, also known as Elko, constitutes a dark-matter candidate which might interact with photons at the tree level in a specific fashion. In this work, we investigate the constraints imposed by unitarity and LHC data on this type of interactions using the search for new physics in monophoton events. We found that Elkos which can explain the dark matter relic abundance mainly through electromagnetic interactions are excluded at the 95% CL by the 8TeV LHC data for masses up to 1TeV. Copyright (C) EPLA, 2018
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Epl. Bristol, v. 121, n. 3, p. -, 2018.