نتایج جستجو برای: dark matter

تعداد نتایج: 264663  

Journal: :Europhysics News 2001

2004
R Foot

The self consistency between the impressive DAMA annual modulation signal and the measured recoil energy spectrum is identified as an important test for dark matter candidates. Mirror matter-type dark matter passes this test while other dark matter candidates, including standard WIMPs and mini-electric charged particle dark matter , fail. We argue that the unique properties of mirror matter-typ...

Journal: :Journal of Modern Physics 2020

Journal: :Physical Review D 2009

Journal: :Physics Letters B 2003

2004
R Foot

There are six main things which any non-baryonic dark matter theory should endeavour to explain: (1) The basic dark matter particle properties [mass, stability, darkness]; (2) The similarity in cosmic abundance between ordinary and non-baryonic dark matter, Ω B ∼ Ω dark ; (3) Large scale structure formation; (4) Microlensing (MACHO) events; (5) Asymptotically flat rotation curves in spiral gala...

2006
JOSEPH SILK

I evaluate the dark matter budget and describe baryonic dark matter candidates and their detectability. Dark matter issues in galaxy formation theory are discussed, and I review the prospects for detecting nonbaryonic dark matter. Indirect detection via halo annihilations of the favored dark matter candidate, the SUSY LSP, provides a potential signal. The relic density of dark matter particles ...

2016
Haipeng An Mark B. Wise Yue Zhang Walter Burke

We study the impact of bound state formation on dark matter annihilation rates in models where dark matter interacts via a light mediator, the dark photon. We derive the general cross section for radiative capture into all possible bound states, and point out its nontrivial dependence on the dark matter velocity and the dark photon mass. For indirect detection, our result shows that dark matter...

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