Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Double beta decay results from the CUPID-0 experiment   A convincing observation of neutrino-less double beta decay (0$\nu$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$\nu$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$\nu$DBD half-life and the evidence that this nuclear transition is single
state dominated.

8
The categories of this paper are: hep-ex
14
The categories of this paper are: math-ph
26
The categories of this paper are: bayes-an
35
The categories of this paper are: mtrl-th
23
The categories of this paper are: solv-int
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
13
The categories of this paper are: quant-ph
10
The categories of this paper are: q-bio
3
The categories of this paper are: physics
11
The categories of this paper are: hep-lat
17
The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys