Results 61 to 70 of about 120,847 (208)

The influence of baryons on the mass distribution of dark matter halos

, 2006
Using a set of high-resolution N-body/SPH cosmological simulations with identical initial conditions but run with different numerical setups, we investigate the influence of baryonic matter on the mass distribution of dark halos when radiative cooling is
W. P. Lin, I. G. McCarthy, McCarthy, I. G., Jing, Y. P., Gao, L., Mao, S., S. Mao, Y. P. Jing, Lin, W. P., L. Gao   +9 more
core   +1 more source

Physical properties of dark matter in galaxy U11454

Physical Sciences and Technology, 2020
In this paper physical characteristics of dark matter distribution in the spiral galaxy U11454 is explored using only well-known cored density profiles in the literature such as the pseudo-isothermal, Burkert, Einasto, exponential sphere, Beta and ...
K. Boshkayev, T. K. Konysbayev, E. B. Kurmanov, M. Muccino, G. Zhumakhanova   +4 more
doaj   +3 more sources

The Stellar Distribution in Ultrafaint Dwarf Galaxies Suggests Deviations from the Collisionless Cold Dark Matter Paradigm

The Astrophysical Journal Letters
Unraveling the nature of dark matter (DM) stands as a primary objective in modern physics. Here we present evidence suggesting deviations from the collisionless cold DM (CDM) paradigm.
Jorge Sánchez Almeida, Ignacio Trujillo, Angel R. Plastino   +2 more
doaj   +1 more source

Limits on spin-dependent WIMP-proton cross-sections using the DRIFT-IId directional dark matter detector [PDF]

, 2011
The nature of dark matter remains one of the biggest questions in physics today. Weakly Interacting Massive Particles (WIMPs) are a particularly well motivated candidate for the missing matter that makes up 85% of the mass of the Universe.
Pipe, Mark
core  

The distribution of dark matter in galaxies: Constant-density dark halos envelop the stellar disks

, 2001
In this paper we review the main and the most recent evidence for the presence of a core radius in the distribution of the dark matter around spiral galaxies.
Borriello A., P. Salucci, Salucci P, A. Borriello, Borriello A   +4 more
core   +1 more source

The Local Dark Matter Distribution from Hydrodynamic Simulations [PDF]

, 2016
We investigate the predictions of the \eagle and \apostle hydrodynamic simulations for dark matter direct detection searches. We extract the dark matter density and velocity distribution at the Solar position for a set of simulated galaxies which satisfy
Frenk, C.S., Bertone, G.; id_orcid, Crain, Robert A., Bertone, G., Bertone, Gianfranco, Schaye, Joop, Theuns, T., Theuns, Tom, Schaller, M., Lindner, A., Lovell, M., Kim, Y., Lovell, Mark, Crain, R.A., Navarro, Julio F., Frenk, Carlos S., Calore, F., Bozorgnia, Nassim, Navarro, J.F., Schaye, J., Bozorgnia, N., Semertzidis, Y.K., Calore, Francesca, Schaller, Matthieu   +23 more
core   +1 more source

Accurate Inner Stellar Density Slopes from Projected Surface Densities in Galaxies

The Astrophysical Journal
The inner slope of the three-dimensional stellar density in dwarf galaxies ( ${\rho }^{{\prime} }[0]$ ) is a sensitive probe of possible departures from the collisionless cold dark matter (CDM) paradigm, since cored stellar distributions ( ${\rho ...
Jorge Sánchez Almeida
doaj   +1 more source

Dark matter, black holes, and gravitational waves

Nuclear Physics B
The formation and growth of black holes can strongly influence the distribution of dark matter around them. I discuss here the different types of dark matter overdensities around black holes, including dark matter cusps, spikes, mounds, crests, and ...
Gianfranco Bertone
doaj   +1 more source

Dark matter hurricane: Measuring the S1 stream with dark matter detectors [PDF]

, 2018
The recently discovered S1 stream passes through the Solar neighborhood on a low inclination, counterrotating orbit. The progenitor of S1 is a dwarf galaxy with a total mass comparable to the present-day Fornax dwarf spheroidal, so the stream is expected
McCabe, C., Myeong, G., Evans, N.W., O'Hare, C.A.J., Belokurov, V.   +4 more
core   +1 more source

Caustics, Cold Flows, and Annual Modulation

Advances in Astronomy, 2011
We discuss the formation of dark matter caustics, and their possible detection by future dark matter experiments. The annual modulation expected in the recoil rate measured by a dark matter detector is discussed.
Aravind Natarajan
doaj   +1 more source