论文标题
Cupid-0实验产生的双β衰减
Double beta decay results from the CUPID-0 experiment
论文作者
论文摘要
令人信服的观察到无中微子双β衰减（0 $ν$ dbd）取决于在无背景条件下运行高能探测器的可能性。闪烁的低温热量表是满足下一代实验要求的最有前途的工具之一。从Cupid-0的成功体验开始，已经采取了几个步骤来证明该技术的成熟度。 Cupid-0实验证明了对该技术感兴趣区域中最低计数率的主要α背景的完全排斥。此外，在连续探测器操作的两年中，建立了$^{82} $ SE 0 $ν$ dbd的最严格限制。在此贡献中，我们介绍了丘比特0阶段的最终结果，包括背景的详细模型，$^{82} $ SE 2 $ν$ dbd半衰期的测量以及这种核转变是单一状态的证据。
A convincing observation of neutrino-less double beta decay (0$ν$DBD) relies on the possibility of operating high energy-resolution detectors in background-free conditions. Scintillating cryogenic calorimeters are one of the most promising tools to fulfill the requirements for a next-generation experiment. Several steps have been taken to demonstrate the maturity of this technique, starting from the successful experience of CUPID-0. The CUPID-0 experiment demonstrated the complete rejection of the dominant alpha background measuring the lowest counting rate in the region of interest for this technique. Furthermore, the most stringent limit on the $^{82}$Se 0$ν$DBD was established running 26 ZnSe crystals during two years of continuous detector operation. In this contribution we present the final results of CUPID-0 Phase I including a detailed model of the background, the measurement of the $^{82}$Se 2$ν$DBD half-life and the evidence that this nuclear transition is single state dominated.
