Investigation of rare nuclear decays with BaF${}_2$ crystal scintillator contaminated by radium

P. Belli, R. Bernabei, F. Cappella +8

The radioactive contamination of a BaF${}_2$ scintillation crystal with mass of 1.714 kg was measured over 101 hours in the low-background DAMA/R&D set-up deep underground (3600 m w.…