Low background measurement in CANDLES-III for studying the neutrino-less double beta decay of ${}^{48}$Ca

S. Ajimura, W. M. Chan, K. Ichimura +65

We developed a CANDLES-III system to study the neutrino-less double beta (0$\nu \beta \beta$) decay of ${}^{48}$Ca. The proposed system employs 96 CaF${}_2$ scintillation crystals (305 kg) with…