LUCIFER: Scintillating bolometers for the search of Neutrinoless Double Beta Decay

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• 作者：M. Vignati
• 关键词：Neutrino mass ; neutrinoless double beta decay ; scintillating bolometers
• 刊名：Nuclear Physics B - Proceedings Supplements
• 出版年：2012
• 出版时间：August-November, 2012
• 年：2012
• 卷：229-232
• 期：Complete
• 页码：495
• 全文大小：95 K

文摘

The nature of neutrino mass is one of the frontier problems of particle physics. Neutrinoless Double Beta Decay (0¦ÍDBD) is a powerful tool to measure the neutrino mass and to test possible extensions of the Standard Model. Bolometers are excellent detectors to search for this rare decay, thanks to their good energy resolution and to the low background conditions in which they can operate. The current challenge consists in the reduction of the background, represented by environmental ¦Ã?s and ¦Á?s, in view of a zero background experiment. We present the LUCIFER R&D, funded by an European grant, in which the background can be reduced by an order of magnitude with respect to the present generation experiments. The technique is based on the simultaneous bolometric measurement of the heat and of the scintillation light produced by a particle, that allows to discriminate between ¦Â and ¦Á particles. The ¦Ã background is reduced by choosing 0¦ÍDBD candidate isotopes with transition energy above the environmental ¦Ã?s spectrum. The prospect of this R&D are discussed.