114 citations · 1.9k across the 269 of their papers we have counts for
Showing 2018Show all
3 papers · 1 filter
astro-ph.CO2018★ 1 cited
Cluster Counts Tension : a Sign of Primordial Non-Gaussianity ?
Ziad Sakr, Damien Houguenague, Alain Blanchard
Evolution and abundance of the large-scale structures we observe today, such as clusters of galaxies, is sensitive to the statistical properties of dark matter primordial density f…
astro-ph.CO2018
Cosmological cluster tension
A. Blanchard, Z. Sakr, S. IliĆ
The abundance of clusters is a classical cosmological probe sensitive to both the geometrical aspects and the growth rate of structures. The abundance of clusters of galaxies measu…
astro-ph.CO2018★ 24 cited
Cluster counts: calibration issue or new physics?
Ziad Sakr, Stéphane Ilić, Alain Blanchard
In recent years, the amplitude of matter fluctuations inferred from low-redshift probes has been found to be generally lower than the value derived from CMB observations in the …