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| '''ANAIS''' is a ] experiment designed to detect ]. ANAIS stands for ''Annual modulation with NAI ]'', and its main goal is the direct detection of the galactic dark matter through its ] off the target nuclei in a radiopure ] crystal. This dark matter signal should be annually modulated by the change in the relative velocity ]-], a result of the rotation of the Earth around the Sun. | |||
| ANAIS is the large-scale conclusion of previous feasibility studies carried out with different prototypes by the ] group at the ], Spain. The complete experiment will use 250 kg of ultrapure NaI(Tl) crystals to study the expected annual modulation in the galactic dark matter signal. 25 kg in two prototype detectors will be taking data at the end of October 2012 as last step before the mounting of the whole experiment. <ref>, J. Amaré et al, Journal of Physics (Conference Series) 375 (2012) 01202</ref><ref>. S. Cebrián et al, Astropart. Phys. 37 (2012) 6</ref> | |||
| ] and ]<ref> R.Bernabei et al. European Physical Journal C 56: 333, 2010</ref>, experimental efforts performed at the ], accumulating more than thirteen annual cycles of data (also with NaI scintillators), obtained a positive signal for the above mentioned annual modulation<ref>.R.Bernabei et al. European Physical Journal C 67: 39, 2010</ref>. Comparison of that result with those negative coming from other targets and experimental techniques is strongly model dependent. ANAIS (that uses the same target and technique that DAMA/LIBRA) appeared in the last roadmap of ApPEC<ref></ref> (Astroparticle Physics European Coordination) as the experiment that would allow testing such result with an independent experimental set-up and in a model-independent way. | |||
| ==References== | |||
| {{Reflist}} | |||
| ==External links== | |||
| ] | |||
| ] | |||
| {{astronomy-stub}} | |||
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