Search for double-\beta decay processes in \{106}Cd with the help of a \{106}CdWO_{4} crystal scintillator
Belli, P., Bernabei, R., Boiko, R.S., Brudanin, V.B., Cappella, F., Caracciolo, V., Cerulli, R., Chernyak, D.M., Danevich, F.A., D'Angelo, S., Galashov, E.N., Incicchitti, A., Kobychev, V.V., Laubenstein, M., Mokina, V.M., Poda, D.V., Podviyanuk, R.B., Polischuk, O.G., Schlegel, V.N., . . . Suhonen, J. (2012). Search for double-\beta decay processes in \{106}Cd with the help of a \{106}CdWO_{4} crystal scintillator. Physical Review C, 85, 44610. https://doi.org/10.1103/PhysRevC.85.044610
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Physical Review CAuthors
Date
2012Copyright
© 2012 American Physical Society. Published in this repository with the kind permission of the publisher.
A search for double β processes in 106Cd was carried out at the Gran Sasso National Laboratories of the INFN
(Italy) with the help of a 106CdWO4 crystal scintillator (215 g) enriched in 106Cd up to 66%. After 6590 h of
data taking, new improved half-life limits on the double β decay processes in 106Cd were established at the level
of 1019–1021 yr; in particular, T 2νεβ+
1/2 2.1 × 1020 yr, T 2ν2β+
1/2 4.3 × 1020 yr, and T 0ν2ε 1/2 1.0 × 1021 yr. The
resonant neutrinoless double-electron captures to the 2718-, 2741-, and 2748-keV excited states of 106Pd are
restricted to T 0ν2K 1/2 4.3 × 1020 yr, T 0νKL1
1/2 9.5 × 1020 yr, and T 0νKL3
1/2 4.3 × 1020 yr, respectively (all limits
at 90% confidence level). A possible resonant enhancement of the 0ν2ε processes is estimated in the framework
of the quasiparticle random phase approximation (QRPA) approach. Radioactive contamination of the 106CdWO4
crystal scintillator is reported.
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American Physical SocietyISSN Search the Publication Forum
0556-2813Publication in research information system
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