Dark Matter Interference

Eugenio Del Nobile, Christoforos Kouvaris, Francesco Sannino, Jussi Virkajärvi

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Abstract

We study different patterns of interference in WIMP-nuclei elastic scattering that can accommodate the DAMA and CoGeNT experiments via an isospin violating ratio $f_n/f_p=-0.71$. We study interference between the following pairs of mediators: Z and Z', Z' and Higgs, and two Higgs fields. We show under what conditions interference works. We also demonstrate that in the case of the two Higgs interference, an explanation of the DAMA/CoGeNT is consistent with Electroweak Baryogenesis scenarios based on two Higgs doublet models proposed in the past.
Original languageEnglish
Article number1250108
JournalModern Physics Letters A
Volume27
Issue number19
Number of pages11
ISSN0217-7323
DOIs
Publication statusPublished - 2012

Keywords

  • hep-ph
  • astro-ph.CO

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