Connecting multi-lepton anomalies at the LHC and in Astrophysics and the prospects of MeerKAT/SKA. (arXiv:2102.10596v3 [astro-ph.HE] UPDATED)
<a href="http://arxiv.org/find/astro-ph/1/au:+Beck_G/0/1/0/all/0/1">Geoff Beck</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kumar_M/0/1/0/all/0/1">Mukesh Kumar</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Malwa_E/0/1/0/all/0/1">Elias Malwa</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Mellado_B/0/1/0/all/0/1">Bruce Mellado</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Temo_R/0/1/0/all/0/1">Ralekete Temo</a>
Multi-lepton anomalies at the Large Hadron Collider are reasonably well
described by a two Higgs doublet model with an additional singlet scalar. Here,
we demonstrate that using this model we are also able to describe the excesses
in gamma-ray flux from the galactic centre and the cosmic-ray spectra from
AMS-02. This is achieved through Dark Matter (DM) annihilation via the singlet
scalar. Of great interest is the flux of synchrotron emissions which results
from annihilation of DM in Milky-Way satellites. We make predictions for
MeerKAT observations of the nearby dwarf galaxy Reticulum~II and we demonstrate
the power of this instrument as a new frontier in indirect dark matter
searches.
Multi-lepton anomalies at the Large Hadron Collider are reasonably well
described by a two Higgs doublet model with an additional singlet scalar. Here,
we demonstrate that using this model we are also able to describe the excesses
in gamma-ray flux from the galactic centre and the cosmic-ray spectra from
AMS-02. This is achieved through Dark Matter (DM) annihilation via the singlet
scalar. Of great interest is the flux of synchrotron emissions which results
from annihilation of DM in Milky-Way satellites. We make predictions for
MeerKAT observations of the nearby dwarf galaxy Reticulum~II and we demonstrate
the power of this instrument as a new frontier in indirect dark matter
searches.
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