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25 papers · 2 filters
Constraints on dark matter scenarios from measurements of the galaxy luminosity function at high redshifts
P. S. Corasaniti, S. Agarwal, D. J. E. Marsh +1
We use state-of-art measurements of the galaxy luminosity function (LF) at z=6, 7 and 8 to derive constraints on warm dark matter (WDM), late-forming dark matter (LFDM) and ultra-l…
Statistical simulations of the dust foreground to CMB polarization
Flavien Vansyngel, François Boulanger, Tuhin Ghosh +6
The characterization of the dust polarization foreground to the Cosmic Microwave Background (CMB) is a necessary step towards the detection of the B-mode signal associated with pri…
Consistency of the Planck CMB data and CDM cosmology
Arman Shafieloo, Dhiraj Kumar Hazra
We test the consistency between Planck temperature and polarization power spectra and the concordance model of Cold Dark Matter cosmology (CDM) within the framework of Cross…
Metastable Dark Energy with Radioactive-like Decay
Arman Shafieloo, Dhiraj Kumar Hazra, Varun Sahni +1
We propose a new class of metastable dark energy (DE) phenomenological models in which the DE decay rate does not depend on external parameters such as the scale factor or the curv…
Calibrating the Planck Cluster Mass Scale with CLASH
M. Penna-Lima, J. G. Bartlett, E. Rozo +5
We determine the mass scale of Planck galaxy clusters using gravitational lensing mass measurements from the Cluster Lensing And Supernova survey with Hubble (CLASH). We have compa…
Planck intermediate results. LI. Features in the cosmic microwave background temperature power spectrum and shifts in cosmological parameters
Planck Collaboration, N. Aghanim, Y. Akrami +150
The six parameters of the standard CDM model have best-fit values derived from the Planck temperature power spectrum that are shifted somewhat from the best-fit values derived f…