Search for bb decay with NEMO 3 and SuperNEMO experiments
Abstract
NEMO 3 is a double beta decay experiment. A part of low background data was analysed, preliminary result on bb2nu decay of 130Te obtained: T1/2 = 7.6 \+- 1.5(stat) +- 0.8(syst) * 1020 y$. No bb0nu signal was observed: T1/20(100Mo) > 5.8 *1023 y and T1/20(82Se) > 2.1 * 1023 y (90% C.L.). SuperNEMO project R&D has started.
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