Boosted dark matter from a phantom fluid
arXiv:2308.01333 · doi:10.1016/j.physletb.2023.138377
Abstract
It is known that theories of phantom dark energy, considered as quantum fields, predict a continuous production of positive- plus negative-energy particles, from spontaneous decay of the vacuum. We show that this can be a new source of boosted dark matter or radiation, with consequences for direct detection. We set constraints on such models using data from the XENONnT experiment, and we show that recent excess events reported by the DAMIC experiment can be consistently described as coming from dark radiation, produced by vacuum decay, interacting with electrons.
arXiv comment4 pages, 2 figures; v2: expanded conclusions, published version
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Cited by in corpus (6)
- XENONnT and LUX-ZEPLIN constraints on DSNB-boosted dark matter
- Simultaneous detection of boosted dark matter and neutrinos from the semi-annihilation at DUNE
- How Much NEC Breaking Can the Universe Endure?
- Quantum field theories of relativistic Luttinger fermions
- Primordial black holes as cosmic accelerators of light dark matter: Novel direct detection constraints
- Mean-field theory for self-interacting relativistic Luttinger fermions