Results 91 to 100 of about 695,053 (252)

Hot-dark matter, cold dark matter and accelerating universe

, 2006
The Friedman equation is solved for a universe contains hotdark matter and cold dark matter. In this scenario, hot-dark matter drives an accelerating universe no cold dark matter.
Farmany, Abbas, Farmany, Amin, Mahmoodi, Mohammad   +2 more
openaire   +2 more sources

The minimal cosmological standard model

Nuclear Physics B
We propose a novel minimal scenario which simultaneously addresses the following theoretical/cosmological/phenomenological puzzles: (i) the origin of scales, (ii) primordial inflation, (iii) matter-antimatter asymmetry, (iv) tiny neutrino masses, (v ...
Gabriela Barenboim, Pyungwon Ko, Wan-Il Park   +2 more
doaj   +1 more source

What charged cosmic rays tell us on dark matter

SciPost Physics Proceedings, 2023
Dark matter particles could be the major component of the haloes of galaxies. Their mutual annihilations or decays would produce an indirect signature under the form of high-energy cosmic-rays.
Pierre Salati
doaj   +1 more source

Is the Lambda CDM Model Consistent with Observations of Large-Scale Structure?

, 2000
The claim that large-scale structure data independently prefers the Lambda Cold Dark Matter model is a myth. However, an updated compilation of large-scale structure observations cannot rule out Lambda CDM at 95% confidence. We explore the possibility of
AE Evrard, E Gawiser, H Lin, H Tadros, J Robinson, LN Costa Da, NA Bahcall, PM Garnavich, PTP Viana, S Buries, S Perlmutter, T Kolatt, W Hu   +12 more
core   +2 more sources

Could Macroscopic Dark Matter (Macros) Give Rise to Mini-Lightning Flashes out of a Blue Sky without Clouds?

Atmosphere, 2021
A recent study pointed out that macroscopic dark matter (macros) traversing through the Earth’s atmosphere can give rise to hot and ionized channels similar to those associated with lightning leaders. The authors of the study investigated the possibility
Vernon Cooray, Gerald Cooray, Marcos Rubinstein, Farhad Rachidi   +3 more
doaj   +1 more source

Cosmology

, 2015
In these lectures we first concentrate on the cosmological problems which, hopefully, have to do with the new physics to be probed at the LHC: the nature and origin of dark matter and generation of matter-antimatter asymmetry.
Rubakov, V. A.
core   +1 more source

Substructures in hydrodynamical cluster simulations

, 2009
The abundance and structure of dark matter subhalos has been analyzed extensively in recent studies of dark matter-only simulations, but comparatively little is known about the impact of baryonic physics on halo substructures.
Abadi, Agertz, Ameglio, Ameglio, Balsara, Baugh, Bonaldi, Borgani, Borgani, Borgani, Cora, De Lucia, De Lucia, Diemand, Dolag, Dolag, Dolag, Dolag, Dolag, Dunkley, Eke, Ettori, G. Murante, Gao, Ghigna, Gill, Giocoli, Gnedin, Gunn, Górski, Haardt, Iapichino, Jubelgas, K. Dolag, Kenney, Komatsu, Kravtsov, Lin, Ludlow, Macciò, McCarthy, Meneghetti, Meneghetti, Monaghan, Monaghan, Moore, Morris, Murante, Nagai, Navarro, Price, Puchwein, Puchwein, Puchwein, Rasia, Rasia, Rasia, S. Borgani, Salpeter, Saro, Saro, Sijacki, Springel, Springel, Springel, Springel, Springel, Springel, Springel, Steinmetz, Stoehr, Stoehr, Tormen, Tormen, V. Springel, Vazza, Weinberg, White, Yoshida   +78 more
core   +1 more source

ORGANIC CARBON CONTENT IN AN ARGIC FAEOZIOM SOIL FROM COJOCNA

Agricultura, 2016
Organic matter in the soil is a carbon-rich material that includes plants, animals and microbial residues in various stages of decomposition. Living organisms in the soil and plant roots are part of the carbon reserve in the soil, but are not considered
Lavinia Moldovan, Marilena Marghitas, Andra Porutiu, Anca Kertesz   +3 more
doaj   +1 more source

Neutrinos as Hot or Warm Dark Matter

, 2011
Both active and sterile sub-eV neutrinos can serve for hot dark matter (DM). On the other hand, keV sterile neutrinos could be a good candidate for warm DM. The beta-decaying (e.g., H-3 and Ru-106) and EC-decaying (e.g., Ho-163) nuclei are considered as the most promising targets to capture those extremely low energy neutrinos and antineutrinos ...
Li, Y. F., Xing, Zhi-zhong
openaire   +2 more sources

THE CASE OF 1.5 eV NEUTRINO HOT DARK MATTER [PDF]

The Twelfth Marcel Grossmann Meeting, 2012
3 pages, Proceedings Marcel Grossmann XII, Paris ...
openaire   +2 more sources