Results 11 to 20 of about 661,161 (337)

Cold dark matter and the LHC [PDF]

open access: yesJournal of Physics G: Nuclear and Particle Physics, 2004
33 pages, 15 eps figures, J. Phys. G topical review (documentclass iopart)
Marco Battaglia   +3 more
openaire   +4 more sources

Cold dark matter resuscitated? [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1995
The Cold Dark Matter (CDM) model has an elegant simplicitly which makes it very predictive, but when its parameters are fixed at their `canonical' values its predictions are in conflict with observational data. There is, however, much leeway in the initial conditions within the CDM framework.
White, Martin   +3 more
openaire   +2 more sources

Dark Matters on the Scale of Galaxies

open access: yesUniverse, 2020
The cold dark-matter model successfully explains both the emergence and evolution of cosmic structures on large scales and, when we include a cosmological constant, the properties of the homogeneous and isotropic Universe.
Ivan de Martino   +5 more
doaj   +1 more source

Making (dark matter) waves: Untangling wave interference for multi-streaming dark matter

open access: yesThe Open Journal of Astrophysics, 2022
The classical dynamics of collisionless cold dark matter, commonly described by fluid variables or a phase-space distribution, can be captured in a single semiclassical wavefunction.
Alex Gough, Cora Uhlemann
doaj   +1 more source

Radial Oscillations of Quark Stars Admixed with Dark Matter

open access: yesUniverse, 2022
We investigated compact stars consisting of cold quark matter and fermionic dark matter treated as two admixed fluids. We computed the stellar structures and fundamental radial oscillation frequencies of different masses of the dark fermion in the cases ...
José C. Jiménez, Eduardo S. Fraga
doaj   +1 more source

Light cold dark matter from non-thermal decay

open access: yesPhysics Letters B, 2023
We investigate the mass range and the corresponding free-streaming length scale of dark matter produced non-thermally from decay of heavy objects which can be either dominant or sub-dominant at the moment of decay.
Ki-Young Choi   +4 more
doaj   +1 more source

Substructures in cold dark matter haloes [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2004
We analyse the properties of substructures within dark matter halos (subhalos) using a set of high-resolution numerical simulations of the formation of structure in a Lambda-CDM Universe. Our simulation set includes 11 high-resolution simulations of massive clusters as well as a region of mean density, allowing us to study the spatial and mass ...
De Lucia G.   +7 more
openaire   +6 more sources

Axions as hot and cold dark matter [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2014
The presence of a hot dark matter component has been hinted at 3 sigma by a combination of the results from different cosmological observations. We examine a possibility that pseudo Nambu-Goldstone bosons account for both hot and cold dark matter components.
Fuminobu Takahashi   +3 more
openaire   +6 more sources

Resolving XENON excess with decaying cold dark matter

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
We propose a decaying cold dark matter model to explain the excess of electron recoil observed at the XENON1T experiment. In this scenario, the daughter dark matter from the parent dark matter decay easily obtains velocity large enough to saturate the ...
Shuai Xu, Sibo Zheng
doaj   +1 more source

Axino cold dark matter revisited [PDF]

open access: yesJournal of High Energy Physics, 2012
Abstract Axino arises in supersymmetric versions of axion models and is a natural candidate for cold or warm dark matter. Here we revisit axino dark matter produced thermally and non-thermally in light of recent developments. First we discuss the definition of axino relative to low energy axion one for several KSVZ and DFSZ models ...
Ki-Young Choi   +6 more
openaire   +5 more sources

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