ÚTEFČVUT Ústav technické a experimentální fyziky ČVUT v PrazeInstitute of Experimental and Applied Physics, CTU in Prague

Investigation of β+EC, EC/EC processes in 74Se

NázevTitle
Investigation of β+EC, EC/EC processes in 74SeInvestigation of β+EC, EC/EC processes in 74Se
Druh výsledkuResult type
Příspěvek ve sborníkuProceedings paper
AutořiAuthors
N.I. Rukhadze, A.S. Barabash, V.B. Brudanin, A.A. Klimenko, S.I. Konovalov, A.V. Rakhimov, E. Rukhadze, Yu.A. Shitov, I. Štekl, V.I. Umatov, G. Warot
Klíčová slovaKeywords
double beta decay
KonferenceConference
Matrix Elements for the Double-beta-decay EXperiments (2019-05-27)
DOIDOI
10.1063/1.5130982
Časopis / citaceJournal / citation
In: AIP Conference Proceedings 2165, AIP Publishing, 2019, pp. 020021 · ISSN 0094-243X
RokYear
2019
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Podzemní laboratoř LSM - česká účast ve výzkumné infrastruktuře evropského významuUnderground laboratory LSM - Czech participation to European-level research infrastructure; Podzemní laboratoř LSM (Laboratoire Souterrain de Modane, Francie) - český příspěvek do výzkumné infrastruktury evropského významuUnderground laboratory LSM (Laboratoire Souterrain de Modane, Francie) - Czech contribution to research infrastructure of European level
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

Investigation of double beta decay processes (β+EC, EC/EC) of 74Se was performed at the Modane underground laboratory (LSM, France, 4800 m w.e.) using ultra low-background HPGe detector Obelix with sensitive volume of 600 cm3 and a sample of natural selenium with a mass of 1.6 kg, containing ∼0.89% (∼14.24 g) of 74Se. New experimental limits (at 90 % CL) on double beta decay transitions of 74Se to the ground and exited states of 74Ge were obtained from the preliminary calculation of experimental data accumulated in 135 days.

Investigation of double beta decay processes (β+EC, EC/EC) of 74Se was performed at the Modane underground laboratory (LSM, France, 4800 m w.e.) using ultra low-background HPGe detector Obelix with sensitive volume of 600 cm3 and a sample of natural selenium with a mass of 1.6 kg, containing ∼0.89% (∼14.24 g) of 74Se. New experimental limits (at 90 % CL) on double beta decay transitions of 74Se to the ground and exited states of 74Ge were obtained from the preliminary calculation of experimental data accumulated in 135 days.

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