EPJ Web of Conferences
Volume 71, 20142nd International Conference on New Frontiers in Physics
|Number of page(s)||9|
|Published online||29 April 2014|
New results and perspectives of DAMA/LIBRA
1 Dip. di Fisica, Università di Roma “Tor Vergata”, I-00133 Rome, Italy
2 INFN, sez. Roma “Tor Vergata”, I-00133 Rome, Italy
3 Dip. di Fisica, Università di Roma “La Sapienza”, I-00185 Rome, Italy
4 INFN, sez. Roma, I-00185 Rome, Italy
5 INFN, Laboratori Nazionali del Gran Sasso, Assergi, Italy
6 IHEP, Chinese Academy, P.O. Box 918/3, Beijing 100039, China
7 Dip. di Ingegneria Civile e Ingegneria Informatica, Università di Roma “Tor Vergata”
8 University of Jing Gangshan, Jiangxi, China
Published online: 29 April 2014
The results obtained with the total exposure of 1.04 ton × yr collected by DAMA/LIBRA–phase1 deep underground at the Gran Sasso National Laboratory (LNGS) of the I.N.F.N. during 7 annual cycles are brieﬂy summarized. The DAMA/LIBRA–phase1 and the former DAMA/NaI data (cumulative exposure 1.33 ton × yr, corresponding to 14 annual cycles) give evidence at 9.3 σ C.L. for the presence of Dark Matter (DM) particles in the galactic halo, on the basis of the exploited model independent DM annual modulation signature by using highly radio-pure NaI(Tl) target. The modulation parameters are well in agreement with those expected for DM particles. No systematic or side reaction able to mimic the exploited DM signature has been found or suggested by anyone over more than a decade. Some of the perspectives of the presently running DAMA/LIBRA–phase2 are outlined.
© Owned by the authors, published by EDP Sciences, 2014
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