arXiv · 1907.08039
First test of a $\mathrm{CdMoO_4}$ scintillating bolometer for neutrinoless double beta decay experiments with $\mathrm{{}^{116}Cd}$ and $\mathrm{{}^{100}Mo}$ nuclides
Abstract
A large cylindrical cadmium molybdate crystal with natural isotopic abundance has been used to fabricate a scintillating bolometer. The measurement was performed above ground at milli-Kelvin temperature, with simultaneous readout of the heat and the scintillation light. The energy resolution as FWHM has achieved from 5 keV (at 238 keV) to 13 keV (at 2615 keV). We present the results of the $\alpha$ versus $\beta$/$\gamma$ events discrimination. The low internal trace contamination of the $\mathrm{CdMoO_4}$ crystal was evaluated as well. The detector performance with preliminary positive indications proves that cadmium molybdate crystal is a promising absorber for neutrinoless double beta decay scintillating bolometric experiments with $\mathrm{{}^{116}Cd}$ and $\mathrm{{}^{100}Mo}$ nuclides in the next-generation technique.
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M. Xue, D. V. Poda, Y. Zhang, H. Khalife, A. Giuliani, H. Peng, P. de Marcillac, E. Olivier, S. Wen, K. Zhao, Y. Wei, V. Novati, A. S. Zolotarova, S. Marnieros, C. Nones, T. Redon, Z. Xu, X. Wang, P. Chen, H. Chen, L. Dumoulin. 2019-07-18. First test of a $\mathrm{CdMoO_4}$ scintillating bolometer for neutrinoless double beta decay experiments with $\mathrm{{}^{116}Cd}$ and $\mathrm{{}^{100}Mo}$ nuclides. https://doi.org/10.1016/j.nima.2019.162395
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