University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Thursday, April 23rd 2015
12:15 pm:
Speaker: Natsumi Nagata (Minnesota)
Subject: Direct search for electroweak-charged dark matter

We discuss a class of fermionic dark matter candidates which are charged under
the SU(2)_L gauge interactions, and evaluate their scattering cross section
with a nucleon, which is an important quantity for dark matter direct
detection experiments. Such a fermionic dark matter particle interacts with
quarks and gluons through one- and two-loop processes, respectively.
We will find that the resultant scattering cross sections lie around O(10^{-(46-48)}) cm^2, which exceed the neutrino background and thus can be reached in
future direct detection experiments.

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