3 papers
astro-ph.CO2025
Closing in on Pop-III Stars: Constraints and Predictions Across the Spectrum
Omer Zvi Katz, Diego Redigolo, Tomer Volansky
The absence of direct high redshift observations poses a significant challenge in understanding the properties of first stars. Nonetheless, the cumulative effect of entire stellar…
hep-ph2024
Displaced Searches for Axion-Like Particles and Heavy Neutral Leptons at Mu3e
Simon Knapen, Toby Opferkuch, Diego Redigolo +1
We present strategies for the Mu3e experiment to search for light, weakly coupled particles produced in rare muon decays, focusing on displaced decays within the hollow ta…
hep-ph2024
The Sommerfeld enhancement at NLO and the dark matter unitarity bound
Salvatore Bottaro, Diego Redigolo
We reexamine the consequences of perturbative unitarity on dark matter freeze-out when both Sommerfeld enhancement and bound state formation affect dark matter annihilations. At le…