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Description
In this talk I will discuss several new ways of probing non-minimal dark sectors. First I will describe how we can use white dwarfs as dark matter detectors, to strongly constrain Atomic Dark Matter models. Dark atoms accumulate in stellar cores, where they radiate in dark photons and accelerate the star's cooling. These constraints cover a broad range of parameter space and improve on existing constraints by up to four orders of magnitude in the kinetic mixing parameter. I will then discuss the possibility of detecting dark compact objects, such as Mirror Stars or Dark/Mirror Neutron Stars. Compact objects are a generic prediction of dissipative dark sector models, and both gravitational wave searches and conventional telescopes have impressive discovery potential. I will show how observables such as the tidal deformability in a candidate neutron star merger could identify non-SM compact objects, and what such observations can tell us about the nature of the hidden sector.
Organised by
David Curtin
