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Abstract:
We consider an electroweak scale model for dark matter (DM) and radiative neutrino mass generation.
Despite the leptophilic nature of DM with no direct couplings to quarks and gluons, scattering with nuclei
is induced at the 1-loop level through photon exchange. Effectively, there are charge-charge, dipole-
2 charge, and dipole-dipole interactions. We investigate the parameter space consistent with constraints
from neutrino masses and mixing, charged lepton-flavor violation, perturbativity, and the thermal
production of the correct DM abundance, and calculate the expected event rate in DM direct detection
experiments. We show that current data from XENON100 start to constrain certain regions of the allowed
parameter space, whereas future data from XENON1T has the potential to significantly probe the model.
