Publications (4)
Cosmological signals of dark matter semi-annihilation
Boris Betancourt Kamenetskaia, Mathias Garny, Alejandro Ibarra +2
The growth of primordial density fluctuations in the early Universe leads to an inhomogeneous dark matter distribution at high redshift, where semi-annihilation processes of the fo…
Investigating sub-MeV dark matter annihilation to neutrinos using direct detection experiments
Boris Betancourt Kamenetskaia, Jong-Chul Park, Merlin Reichard +1
Dark matter (DM) could self-annihilate into neutrinos in dense regions of the Universe. We consider the resulting flux of neutrinos from the Milky Way DM halo and derive exclusion…
Probing Dark Matter Electromagnetic Properties in Direct Detection Experiments
Alejandro Ibarra, Merlin Reichard, Gaurav Tomar
Astronomical and cosmological observations indicate that dark matter should interact very weakly with the electromagnetic radiation. Nevertheless, the existence of such interaction…
Anapole Moment of Majorana Fermions and Implications for Direct Detection of Neutralino Dark Matter
Alejandro Ibarra, Merlin Reichard, Ryo Nagai
For Majorana fermions the anapole moment is the only allowed electromagnetic multipole moment. In this work we calculate the anapole moment induced at one-loop by the Yukawa and ga…