Journal
PHYSICAL REVIEW D
Volume 98, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.98.095031
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Funding
- German Research Foundation (DFG) through the research unit New physics at the LHC
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Nonthermalized dark matter is a cosmologically valid alternative to the paradigm of weakly interacting massive particles. For dark matter belonging to a Z(2)-odd sector that contains in addition a thermalized mediator particle, dark matter production proceeds, in general, via both the freeze-in and super-WIMP mechanism. We highlight their interplay and emphasize the connection to long-lived particles at colliders. For the explicit example of a colored t-channel mediator model we map out the entire accessible parameter space, cornered by bounds from the LHC, big bang nucleosynthesis and Lyman-alpha forest observations, respectively. We discuss prospects for the HL- and HE-LHC.
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