Results 1 to 10 of about 579,498 (204)

Indirect detection of hot dark matter [PDF]

open access: greenJournal of High Energy Physics
Cosmologically stable, light particles that came into thermal contact with the Standard Model in the early universe may persist today as a form of hot dark matter.
Jeff A. Dror   +3 more
doaj   +4 more sources

Axion hot dark matter bounds [PDF]

open access: green, 2008
We derive cosmological limits on two-component hot dark matter consisting of neutrinos and axions. We restrict the large-scale structure data to the safely linear regime, excluding the Lyman-alpha forest.
Hannestad, S.   +3 more
core   +4 more sources

Hot new early dark energy: Towards a unified dark sector of neutrinos, dark energy and dark matter

open access: diamondPhysics Letters B, 2022
Hot new early dark energy describes a supercooled, first-order phase transition that takes place at sub-eV temperatures in the dark sector. It lowers the sound horizon, which provides a possible solution to the Hubble tension, and, at the same time, it ...
Florian Niedermann, Martin S. Sloth
doaj   +2 more sources

Hot leptogenesis from thermal Dark Matter [PDF]

open access: greenJournal of Cosmology and Astroparticle Physics, 2017
29 pages, 11 figures.
Nicolás Bernal, Chee Sheng Fong
openalex   +4 more sources

Improved Hot Dark Matter Bound on the QCD Axion [PDF]

open access: hybridPhysical Review Letters, 2023
6+8 pages, 7 ...
Alessio Notari   +2 more
openalex   +4 more sources

Hot and heavy dark matter from a weak scale phase transition [PDF]

open access: diamondSciPost Physics, 2023
We point out that dark matter which is produced non-adiabatically in a phase transition (PT) with fast bubble walls receives a boost in velocity which leads to long free-streaming lengths.
Iason Baldes, Yann Gouttenoire, Filippo Sala
doaj   +4 more sources

Hidden Hot Dark Matter as Cold Dark Matter [PDF]

open access: yes, 2009
We show that hidden hot dark matter, hidden-sector dark matter with interactions that decouple when it is relativistic, is a viable dark matter candidate provided it has never been in thermal equilibrium with the particles of the standard model.
Sigurdson, Kris
core   +4 more sources

Interacting Hot Dark Matter [PDF]

open access: yesPhysical Review D, 1997
We discuss the viability of a light particle ($\sim 30$ eV neutrino) with strong self-interactions as a dark matter candidate. The interaction prevents the neutrinos from free-streaming during the radiation dominated regime so galaxy sized density ...
Atrio-Barandela, Fernando   +1 more
core   +5 more sources

Hot QCD and warm dark matter [PDF]

open access: yesProceedings of XXIVth International Symposium on Lattice Field Theory — PoS(LAT2006), 2006
One of the possible explanations for the dark matter needed in the standard cosmological model is so-called warm dark matter, in the form of right-handed ("sterile") neutrinos with a mass in the keV range.
Laine, M.
core   +5 more sources

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