MEDEX'19

Session

Session (Chair: H. Ejiri)

May 30, 2019, 3:45 PM

Balling Hall (ground floor) (The Czech National Library of Technology)

78. SEARCH FOR β+EC AND ECEC PROCESSES IN 74Se

Dr Nikolay Rukhadze (Joint Institute for Nuclear Research,)

5/30/19, 3:45 PM

Oral Presentation

Search for double beta decay processes (β+EC, EC/EC) of 74Se was performed at the Modane underground laboratory (LSM, France, 4800 m w.e.) using an ultra low-background HPGe detector OBELIX with sensitive volume of 600 cm3 and a sample of natural selenium. The sample of natural selenium was powder with a total mass of 1.6 kg containing ~0.89% (~14.24 g) of 74Se. Selenium was filled in a...