Abstract

The DAMA project operates as an observatory for rare processes, located deep underground at the Gran Sasso National Laboratory of the I.N.F.N. The main apparatus, DAMA/LIBRA, is investigating the presence of Dark Matter particles in the galactic halo by exploiting the model independent DM annual modulation signature. The present DAMA/LIBRA and the former DAMA/NaI (exposed masses: ≃ 250 kg and ≃ 100 kg of highly radiopure NaI(Tl), respectively) experiments have released so far a total exposure of 1.17 ton × yr, collected over 13 annual cycles. They have obtained a positive model independent result for the presence of DM particles in the galactic halo at 8.9 σ C.L. The main results are here briefly summarised and the future perspectives are considered.

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