Registration Number
0213U003391,
0108U002916
, R & D reports
Title
Investigation of double beta decay and dark matter
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Head
Danevich Feodor,
Registration Date
04-02-2013
Organization
Scientific Center "Institute for Nuclear Research" of National Academy of Sciences of Ukraine
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For the search 2b-decay and dark matter some scintillators were developed (ZnWO4, CaMoO4, CdWO4, including isotopically enriched). Their optical, scintillation, temperature characteristics as possibility of particles discrimination by pulse shape were studied, background of ZnWO4 and CaWO4 was measured, system of pulse shape discrimination was improved. With the help of lowbackground detectors ZnWO4 search of 2b-processes in 64Zn, 70Zn, 180W and 186W was fulfilled at Gran Sasso laboratory (Italy) with the sensitivity level of T1/2=10^17-10^21 y. Lowbackground setup at underground laboratory YangYang based on CaMoO4 crystals was created, its performance and preliminary background measurements with scintillation detector CaMoO4 were made. Measurements of radioactive purity of metallic 106Cd were fulfilled. Chemical and physical methods of 106Cd purufication were developed. Preliminary tests of isotopically enriched 106CdWO4 crystal were provided at Gran Sasso laboratory. Analysis of data taken in experiments with 106Cd and100Mo was made. Registration efficiency of 2b-decay of 100Mo to exited levels of 100Ru were made and longtime measurements in which this process was registered were undertaken.
Product Description
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Бойко Роман Сергійович
Даневич Федір Анатолійович
Здесенко Сергій Юрійович
Зуєва Олена Володимирівна
Кобичев Вячеслав Валерійович
Кропив'янський Борис Миколайович
Мокіна Валентина Михайлівна
Ніколайко Андрій Степанович
Нагорний Сергій Сергійович
Пода Денис Валентинович
Подвіянюк Руслан Борисович
Поліщук Оксана Григорівна
Третяк Володимир Ілліч
Черняк Дмитро Миколайович
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2020-04-02
