Results 91 to 100 of about 2,875,148 (209)

Impact of Sommerfeld Corrections on the Dark Matter Relic Density [PDF]

open access: yes
openThis thesis explores how long‐range self‐interactions modify the standard thermal freeze‐out picture of dark matter via the non‐perturbative Sommerfeld effect.
DAINELLI, GIULIO ALVISE
core  

US Cosmic Visions: New Ideas in Dark Matter 2017: Community Report [PDF]

open access: yes, 2017
This white paper summarizes the workshop "U.S.
Ward, Thomas   +497 more
core  

Exploring sub-GeV dark matter physics with cosmic ray and future telescopes

open access: yesEuropean Physical Journal C: Particles and Fields
If sub-GeV dark matter (DM) annihilates into charged particles such as $$e^+ e^-$$ e + e - , $$\mu ^+ \mu ^-$$ μ + μ - , or $$\pi ^+ \pi ^-$$ π + π - , it generates an additional source of electrons and positrons in the cosmic ray (CR) population within ...
Guan-Sen Wang   +3 more
doaj   +1 more source

Is dark matter made up of massive quark objects?

open access: yes, 1999
We suggest that dark matter is made up of massive quark objects that have survived from the Big Bang, representing the ground state of "baryonic'' matter. Hence, there was no overall phase transition of the original quark matter, but only a split-up into
Fredriksson, Sverker   +4 more
core   +2 more sources

Alternatives to dark matter and dark energy [PDF]

open access: yesProgress in Particle and Nuclear Physics, 2006
LaTeX, 87 pages, 3 figures. To appear in Progress in Particle and Nuclear Physics, 2005.
openaire   +2 more sources

Baryonic dark matter

open access: yes, 1997
Reasons supporting the idea that most of the dark matter in galaxies and clusters of galaxies is baryonic are discussed. Moreover, it is argued that most of the dark matter in galactic halos should be in the form of MACHOs and cold molecular ...
M. Roncadelli   +3 more
core  

Microhalos and dark matter detection [PDF]

open access: yes, 2020
Cosmological structure formation predicts that our galactic halo contains an enormous hierarchy of substructures and streams, the remnants of the merging hierarchy that began with tiny Earth mass microhalos.
Moore, Ben   +2 more
core  

Mechanical detectors of scalar dark matter

open access: yes, 2020
Singh, SwatiThe aim of this thesis is to present and discuss the use of mechanical devices for dark matter detection and characterize their viability as a dark matter detectors.
Stump, Russell A., III
core   +1 more source

Upconversion of phonon modes into microwave photons in a lithium niobate bulk acoustic wave resonator coupled to a microwave cavity

open access: yesAPL Photonics
The coupling between acoustic vibrations in a lithium niobate bulk acoustic wave resonator and microwave photons of a re-entrant microwave cavity was investigated at a temperature close to 4 K.
S. Parashar   +5 more
doaj   +1 more source

Resonant dark matter

open access: yesJournal of High Energy Physics, 2009
It is usually assumed that dark matter direct detection is sensitive to a large fraction of the dark matter (DM) velocity distribution. We propose an alternative form of dark matter-nucleus scattering which only probes a narrow range of DM velocities due to the existence of a resonance, a DM-nucleus bound state, in the scattering - resonant dark matter
Bai, Yang, Fox, Patrick J.
openaire   +2 more sources

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