3 papers
hep-ph2026
Multi-Component Dark Matter as a Solution to the Galactic Center GeV Excess
Farinaldo S. Queiroz, Clarissa Siqueira, Carlos E. Yaguna
The Galactic Center Excess (GCE) is a compelling signature of dark matter annihilation, but its spectral morphology is difficult to reconcile with the traditional paradigm of a sin…
astro-ph.CO2025
J-PAS: Forecasting constraints on Neutrino Masses
Gabriel Rodrigues, Antonio J. Cuesta, Jailson Alcaniz +30
The large-scale structure survey J-PAS is taking data since October 2023. In this work, we present a forecast based on the Fisher matrix method to establish its sensitivity to the…
hep-ph2024
Dark Matter Freeze-In during Warm Inflation and the Seesaw Mechanism
Rayff de Souza, Jamerson G. Rodrigues, Clarissa Siqueira +2
A compelling way to address the inflationary period is via the warm inflation scenario, where the interaction of the inflaton field with other degrees of freedom affects its dynami…