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| {{technical|date=October 2012}} | |||
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| '''ANAIS''' is a ] experiment designed to detect ]. ANAIS stands for ''Annual modulation with NAI ]s''. Its main goal is the direct detection of the 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 of ]-], a result of the rotation of the Earth around the Sun. | |||
| ANAIS is the scaled conclusion of 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. Data recording began at the end of October 2012 using 25 kg in two prototype detectors as the last step before launching the larger 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 ], accumulated more than thirteen annual cycles of data (also with NaI scintillators), obtaining a positive signal.<ref>.R.Bernabei et al. European Physical Journal C 67: 39, 2010</ref> Comparison of that result with negative results from other targets and experimental techniques is strongly model dependent. ANAIS (adopting the same target and technique that DAMA/LIBRA) appeared in the last roadmap of ApPEC<ref></ref> (Astroparticle Physics European Coordination) to allow testing with an independent experimental set-up and in a model-independent way. At the beginning of 2015, the calibration and testing of 25-kg setup was successfully completed, and plans were put forward to increase detector mass to either 100kg or directly to 250kg.<ref></ref> | |||
| ==References== | |||
| {{Reflist}} | |||
| ==External links== | |||
| * | |||
| * | |||
| {{Dark matter}} | |||
| ] | |||
| ] | |||
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