3 papers
astro-ph.CO2026
Unveiling the dark matter nature with reionization relics
Yao Zhang, Paulo Montero-Camacho, Catalina Morales-Gutiérrez +3
Dark matter constitutes roughly one-fourth of the Universe, yet its physical nature remains unknown. Warm dark matter (WDM), a class of dark matter candidates, has non-negligible v…
astro-ph.HE2025
MeV cosmic-ray electrons modify the TeV pair-beam plasma instability
Mahmoud Alawashra, Yuanyuan Yang, Christopher M. Hirata +2
Relativistic pair beams created in the intergalactic medium (IGM) by TeV gamma rays from blazars are expected to produce a detectable GeV-scale electromagnetic cascade, but the cas…
astro-ph.CO2024
Reionization relics in the cross-correlation between the Ly forest and 21 cm intensity mapping in the post-reionization era
Paulo Montero-Camacho, Catalina Morales-Gutiérrez, Yao Zhang +2
The tumultuous effects of ultraviolet photons that source cosmic reionization, the subsequent compression and shock-heating of low-density regions, and the modulation of baryons in…