Search for double beta decay processes in 106Cd with the help of 106CdWO4 crystal scintillator
/ Authors
P. Belli, R. Bernabei, R. Boiko, V. Brudanin, F. Cappella, V. Caracciolo, R. Cerulli, D. Chernyak, F. Danevich, S. D'angelo
and 23 more authors
E. Galashov, A. Incicchitti, V. Kobychev, M. Laubenstein, V. Mokina, D. Poda, R. Podviyanuk, O. Polischuk, V. Shlegel, Y. Stenin, J. Suhonen, V. Tretyak, Y. J. Z. U. R. T. Vergata, Univ. Roma Tor Vergata, I. Kiev, J. Dubna, Infn Roma, Univ. Roma, Infn Lngs, Univ. L'Aquila, Nikolaev Iic, Novosibirsk, Univ. Jyvaskyla
/ Abstract
A search for the double 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 beta decay processes in 106Cd were established at the level of 10^{19} - 10^{21} yr. A possible resonant enhancement of the neutrinoless2EC processes is estimated in the framework of the QRPA approach. The radioactive contamination of the 106CdWO4 crystal scintillator is reported.
Journal: Physical Review C