5 papers
Sensitivity of Next-Generation CMB Surveys to Neutrinos and Other Light Relics
Cynthia Trendafilova, Srinivasan Raghunathan, Benjamin Wallisch +33
Neutrinos and other light relics leave characteristic imprints in the cosmic microwave background anisotropies, making their observation a sensitive probe of the particle content a…
Cosmic Structure Strikes Back: The Elimination of Vector-Mediated Nonstandard Interaction Models as a Mechanism for Sterile Neutrino Dark Matter Production
Cannon M. Vogel, Helena GarcÃa Escudero, Kevork N. Abazajian
We revisit sterile-neutrino production enabled by nonstandard interactions (NSI) among active neutrinos mediated by new bosons. We focus on vector mediators, including neutrinophil…
Return of the Lepton Number: Sterile Neutrino Dark Matter Production and the Revival of the Shi-Fuller Mechanism
Cannon M. Vogel, Helena GarcÃa Escudero, Julien Froustey +1
We explore resonant production of sterile neutrino dark matter via the Shi-Fuller (SF) mechanism, revisiting its cosmological viability in light of recent results demonstrating tha…
Extra Radiation Cosmologies: Implications of the Hubble Tension for eV-scale Neutrinos
Helena GarcÃa Escudero, Kevork N. Abazajian
We present a new analysis on sterile neutrino cosmologies using the Dark Energy Spectroscopic Instrument (DESI) second data release (DR2) baryon acoustic oscillation (BAO) measurem…
The Status of Neutrino Cosmology: Standard CDM, Extensions, and Tensions
Helena GarcÃa Escudero, Kevork N. Abazajian
We examine the performance of the six-parameter CDM model and its extensions in light of recent cosmological observations, with particular focus on neutrino properties inferred…