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Information × Registration Number 0217U001253, 0115U000473 , R & D reports Title Rare nuclear processes and decay, decay spectroscopy and nuclear structure popup.stage_title Head Shulga Mykola Fedorovych, Registration Date 01-02-2017 Organization Kharkov National University named after V.N. Karazin popup.description2 A brief description of the method used in the experiment to search for 2K2v-capture processes of 124Хе using large high-pressure proportional counters with a sample of enriched xenon to 21% (~57g) is presented. The results of processing the data obtained in 3340 h of live measurement time are presented. We established new limit with Т1/2=4,6 1021 e at 90% C.L. The results of investigation of 127Хе radioactive isotope production in the xenon sample enriched in 124Хе, 126Хе , 128Хе are presented. The brief description of installation TAU-2 intended for long-term monitoring of the half-life value ?(?1/2) of the 214Po is presented. The methods of measurement and processing of collected data are reported. The results of analysis of time series values with different time step are presented. Total of measurement time was equal to 590 days. Averaged value of the 214Po half-life was obtained ?=163,46±0,04 ?s. The annual variation with an amplitude А=(8,9±2,3)?10-4 , solar-daily variation with an amplitude Аsо=(7,5±1,2)?10-4, lunar-daily variation with an amplitude АL=(6,9±2,0)?10-4 and sidereal-daily variation with an amplitude Аs=(7,2±1,2)?10-4 were found in a series of values. The maximal values of amplitude are observed at the moments when the projections of the installation Earth location velocity vectors toward the source of possible variation achieve its maximal. Product Description popup.authors І.Федорець Л.Савчук М.Меренков М.Шульга Н.Луцай О.Заславський О.Корчин О.Щусь С.Панасенко С.Раткевич popup.nrat_date 2020-04-02 Close