Article (Scientific journals)
Milli-Interacting Dark Matter Interpretation of the Direct-Search Experiments
Wallemacq, Quentin
2014In Advances in High Energy Physics, 2014
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Keywords :
Dark matter; Direct searches; Milli-charges
Abstract :
[en] We reinterpret the results of the direct searches for dark matter in terms of milli-interacting dark particles. The model reproduces the positive results from DAMA/LIBRA and CoGeNT and is consistent with the absence of signal in the XENON100, CDMS-II/Ge, and LUX detectors. Dark atoms, interacting with standard atoms through a kinetic mixing between photons and dark photons and a mass mixing of sigma mesons with dark scalars, diffuse elastically in terrestrial matter where they deposit all their energy. Reaching underground detectors through gravity at thermal energies, they form bound states with nuclei of the active medium by radiative capture, which causes the emission of photons that produce the observed signals. The parameter space of the model is explored and regions reproducing the results at the 2 sigma level are obtained for each experiment.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Wallemacq, Quentin ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules
Language :
English
Title :
Milli-Interacting Dark Matter Interpretation of the Direct-Search Experiments
Publication date :
20 January 2014
Journal title :
Advances in High Energy Physics
ISSN :
1687-7357
eISSN :
1687-7365
Publisher :
Hindawi Publishing Corporation, Egypt
Special issue title :
Dark Atoms and Dark Radiation
Volume :
2014
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 10 February 2014

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