A highly efficient HPGE gamma-ray spectrometer for investigating [beta][beta] decay to excited states

A highly efficient HPGE gamma-ray spectrometer for investigating [beta][beta] decay to excited states

A new low-background spectrometer based on a HPGe detector with a sensitive volume of 600 cm3 is developed to investigate rare nuclear processes such as resonance neutrinoless double electron capture and two-neutrino double beta decay to excited states of daughter nuclei. The spectrometer is install...

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Veröffentlicht in:Bulletin of the Russian Academy of Sciences. Physics 2013-04, Vol.77 (4), p.379
Hauptverfasser: Rukhadze, N I, Brudanin, V B, Briancon, Ch, Cermák, P, Kochetov, O I, Mamedov, F, Loaiza, P, Piquemal, F, Rukhadze, E N, Shitov, Yu A, Stekl, I, Warot, G, Yakushev, E A, Zampaolo, M
Format: Artikel
Sprache:eng
Schlagworte:
Beta decay
Beta rays
Electron capture
Excitation spectra
Gamma rays
Nuclear capture
Nuclei
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Zusammenfassung:A new low-background spectrometer based on a HPGe detector with a sensitive volume of 600 cm3 is developed to investigate rare nuclear processes such as resonance neutrinoless double electron capture and two-neutrino double beta decay to excited states of daughter nuclei. The spectrometer is installed at the Modane underground laboratory (France) at a depth of 4800 m w.e. The spectrometer background is measured and the spectrometer sensitivity is determined for measuring sources of double beta decay.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873813040230