First Results from DAMA/LIBRA

Details First Results from DAMA/LIBRA First Results from DAMA/LIBRA

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1115...92b&link_type=abstract

THE DARK SIDE OF THE UNIVERSE: 4th International Workshop on the Dark Side of the Universe. AIP Conference Proceedings, Volume

Physics

Dark Matter, Scintillation Detectors, Supersymmetry

Scientific paper

The highly radiopure ~=250 kg NaI(Tl) DAMA/LIBRA set-up is running at the Gran Sasso National Laboratory of the I.N.F.N.. The first result obtained by exploiting the model independent annual modulation signature for Dark Matter (DM) particles confirms the former DAMA/NaI result. The DAMA/NaI and DAMA/LIBRA data satisfy all the many peculiarities of the DM annual modulation signature; neither systematic effects nor side reactions able to account for the observed modulation amplitude and to contemporaneously satisfy all the several requirements of the DM signature are available. Considering the former DAMA/NaI and the present DAMA/LIBRA data all together (total exposure 0.82 ton×yr), the presence of Dark Matter particles in the galactic halo is supported at 8.2 σ C.L.

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