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89 papers · 1 filter
Projected Sensitivity of Paleo-Detectors to Dark Matter Effective Interactions with Nuclei
Dionysios P. Theodosopoulos, Katherine Freese, Chris Kelso +1
Paleo-detectors are a proposed experimental technique for direct detection (DD) of dark matter (DM) via the read-out of DM-induced nuclear recoil tracks in natural minerals. The la…
Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework
D. Sanchez-Cid, A. Ferté, J. Blazek +115
We present the methodology for the weak lensing and galaxy clustering analyses of the Dark Energy Survey (DES) Year 6 data set. In this work, we design and validate the analysis pi…
Dark Acoustic Oscillations as an Early-Universe Explanation of the DESI Anomaly
Mathias Garny, Florian Niedermann, Martin S. Sloth
DESI DR2 data have been widely interpreted as evidence for late-time evolving dark energy (DE) with an apparent phantom crossing. Here we investigate an alternative explanation, ba…
Can galactic magnetic fields diffuse into the voids?
Oindrila Ghosh, Axel Brandenburg, Chiara Caprini +2
Cosmic voids are magnetized at the level of at least G on Mpc scales, as implied by blazar observations. We show that an electrically conducting plasma is present in the…
String-induced vacuum decay and its gravitational wave signatures
Aleksandr Chatrchyan, Florian Niedermann, Phoebe Richman-Taylor
False vacuum decay typically proceeds via the nucleation of spherical bubbles of true vacuum, described by symmetric field configurations in Euclidean time. In this work, we…
Exploring the Early Universe with Deep Learning
Emmanuel de Salis, Massimo De Santis, Davide Piras +9
Hydrogen is the most abundant element in our Universe. The first generation of stars and galaxies produced photons that ionized hydrogen gas, driving a cosmological event known as…