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Enlightening the dark ages with dark matter
Katie Short, José Luis Bernal, Alvise Raccanelli +2
Constraints on dark matter annihilation or decay offer unique insights into the nature of dark matter. We illustrate how surveys dedicated to detect the highly redshifted 21 cm sig…
Projection effects on the observed angular spectrum of the astrophysical stochastic gravitational wave background
Daniele Bertacca, Angelo Ricciardone, Nicola Bellomo +5
The detection and characterization of the Stochastic Gravitational Wave Background (SGWB) is one of the main goals of Gravitational Wave (GW) experiments. The observed SGWB will be…
Unveiling the Gravitational Universe at μ-Hz Frequencies
Alberto Sesana, Natalia Korsakova, Manuel Arca Sedda +31
We propose a space-based interferometer surveying the gravitational wave (GW) sky in the milli-Hz to -Hz frequency range. By the 2040s', the -Hz frequency band, bracketed in…
From Primordial Black Holes Abundance to Primordial Curvature Power Spectrum (and back)
Alba Kalaja, Nicola Bellomo, Nicola Bartolo +5
In the model where Primordial Black Holes (PBHs) form from large primordial curvature (C) perturbations, i.e., CPBHs, constraints on PBH abundance provide in principle constraints…
Electromagnetic probes of primordial black holes as dark matter
Y. Ali-Haimoud, S. Clesse, J. Garcia-Bellido +91
The LIGO discoveries have rekindled suggestions that primordial black holes (BHs) may constitute part to all of the dark matter (DM) in the Universe. Such suggestions came from 1)…
Lyman- forest constraints on Primordial Black Holes as Dark Matter
Riccardo Murgia, Giulio Scelfo, Matteo Viel +1
The renewed interest in the possibility that primordial black holes (PBHs) may constitute a significant part of the dark matter has motivated revisiting old observational constrain…