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Information × Registration Number 0219U005090, 0118U004364 , R & D reports Title Development of detector systems for accelerator experiments and technologies for physics of accelerators popup.stage_title Head Tretyak Volodymyr Illich, Registration Date 10-05-2019 Organization Scientific Center "Institute for Nuclear Research" of National Academy of Sciences of Ukraine popup.description2 Twenty scintillation bolometers Li2MoO4 from molybdenum enriched in isotope 100Mo to 97% are installed in the low-background installation EDELWEISS-III in Modane underground laboratory (France, 4800 m of water equivalent). The mass of each crystal is about 200 g. The operating temperature is about 20 mK. Scintillation and thermal signals and the shape of these signals are collected for each event. In December 2018, test measurements were started to verify the proper functioning of all systems. In 2019, the beginning of a long-term collection of physical data for the search of neutrinoless double beta decay of 100Mo and the study of its two-neutrino mode is envisaged. The possibility of experiment with several isotopes with bolometers in the conditions of limited available volume for their installation in cryostat is analyzed. The internal contamination of all scintillators known today, methods of analysis, methods of contamination's reduction, etc. is analyzed, which is of great importance for conducting low-level measurements (an overview on these issues is published). The possibility of using to look for 2b0nu decay of 100Mo scintillation bolometer not with Li2MoO4 crystals, but with Li2Mg2(MoO4)3 crystals was analysed; Li2MoO4 crystals obtained from alternative manufacturer (CLYMENE, France) were tested. Product Description popup.authors Даневич Федор Анатолiйович Зуєва Олена Володимирівна Кобичев Владислав Валерійович Кобичева Лариса Миколаївна Кропив'янський Борис Миколайович Пода Денис Валентинович Поліщук Оксана Григорівна Тимошенко Андрiй Iванович Третяк Володимир Ілліч popup.nrat_date 2020-04-02 Close