DAMA/LIBRA
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The DAMA/LIBRA experiment is an experiment designed to detect dark matter using the direct detection technique. It is located at the Laboratori Nazionali del Gran Sasso in Italy. The successor to the DAMA/NaI experiment, it uses very similar detector technology but has a larger target mass of 250 kg. DAMA/LIBRA has been collecting data since 2003 and first results were reported in 2008.The DAMA/LIBRA setup consists of scintillation thallium-doped sodium iodide radioactivity pure crystals. Nuclei recoiling after a collision cause emissions of photons that are detected using photomultiplier tube...
The DAMA/LIBRA experiment is an experiment designed to detect dark matter using the direct detection technique. It is located at the Laboratori Nazionali del Gran Sasso in Italy. The successor to the DAMA/NaI experiment, it uses very similar detector technology but has a larger target mass of 250 kg. DAMA/LIBRA has been collecting data since 2003 and first results were reported in 2008.The DAMA/LIBRA setup consists of scintillation thallium-doped sodium iodide radioactivity pure crystals. Nuclei recoiling after a collision cause emissions of photons that are detected using photomultiplier tubes. A detected nuclear recoil can be caused by dark matter particles or by the background. The revolution of the Earth around the Sun can cause an annual modulation of the dark matter flux. This should give rise to an annual modulation in the detected recoils and thus provides a simple way to extract a dark matter signal from the background.The DAMA/LIBRA and the DAMA/NaI experiments have used this technique and are the only ones to have reported a positive signal.
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