From the 1 of 3.1k papers with an AI index.
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7 papers · 2 filters
How robust are inflation model and dark matter constraints from cosmological data?
Jan Hamann, Steen Hannestad, Martin S. Sloth +1
High-precision data from observation of the cosmic microwave background and the large scale structure of the universe provide very tight constraints on the effective parameters tha…
Constraint on the Effective Number of Neutrino Species from the WMAP and SDSS LRG Power Spectra
Kazuhide Ichikawa, Masahiro Kawasaki, Fuminobu Takahashi
We derive constraint on the effective number of neutrino species N_nu from the cosmic microwave background power spectrum of the WMAP and galaxy clustering power spectrum of the SD…
Supersymmetry on the Rocks
Markus Ahlers
In R-parity conserving supersymmetric (SUSY) models the lightest SUSY particle (LSP) is stable and a candidate for dark matter. Depending on the coupling and mass of this particle…
Probing Neutrino Dark Energy with Extremely High-Energy Cosmic Neutrinos
Andreas Ringwald, Lily Schrempp
Recently, a new non-Standard Model neutrino interaction mediated by a light scalar field was proposed, which renders the big-bang relic neutrinos of the cosmic neutrino background…
Inflation and WMAP three year data: Features have a Future!
Laura Covi, Jan Hamann, Alessandro Melchiorri +2
The new three year WMAP data seem to confirm the presence of non-standard large scale features in the Cosmic Microwave Anisotropies power spectrum. While these features may hint at…
What measurable zero point fluctuations can(not) tell us about dark energy
Michael Doran, Joerg Jaeckel
We show that laboratory experiments cannot measure the absolute value of dark energy. All known experiments rely on electromagnetic interactions. They are thus insensitive to parti…