CdWO4 crystal scintillators from enriched isotopes for double beta decay experiments
D.V. Poda, A.S. Barabash, P. Belli, R. Bernabei, R.S. Boiko, V.B., Brudanin, F. Cappella, V. Caracciolo, S. Castellano, R. Cerulli, D.M., Chernyak, F.A. Danevich, S. d'Angelo, V.Ya. Degoda, M.L. Di Vacri, A.E., Dossovitskiy, E.N. Galashov, A. Incicchitti, V.V. Kobychev
TL;DR
This paper reports on the development and testing of enriched cadmium tungstate crystal scintillators for double beta decay experiments, highlighting their properties, low contamination, and ongoing research at Gran Sasso.
Contribution
It introduces new enriched CdWO4 scintillators with improved radiopurity and discusses methods to enhance detector performance for double beta decay searches.
Findings
Scintillators exhibit good optical and scintillation properties.
Low radioactive contamination levels achieved.
Ongoing experiments at Gran Sasso for double beta decay detection.
Abstract
Cadmium tungstate crystal scintillators enriched in 106Cd and 116Cd were developed. The produced scintillators exhibit good optical and scintillation properties, and a low level of radioactive contamination. Experiments to search for double beta decay of 106Cd and 116Cd are in progress at the Gran Sasso National Laboratories of the INFN (Italy). Prospects to further improve the radiopurity of the detectors by recrystallization are discussed.
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