Abstract
AMoRE is an international project searching for neutrinoless double beta decay (0νββ) of 100Mo. Highly purified molybdate crystals are utilized with heat-light detection based on magnetic micro-calorimeters operating at 10 mK. The high energy resolution is achieved with the heat sensors capable of efficient background rejection from the dual heat-light detection. The present AMoRE, composed of 18 crystal modules, has been operating at Yangyang underground laboratory with an exposure exceeding 9 kg·year, reaching the best limit for 100Mo 0νββ mode. Moreover, the collaboration builds a large-size detector for a total detector mass of about 180 kg in Yemilab, reaching the world-leading sensitivity for 0νββ search.
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