The Potential of Hybrid Pixel Detectors in the Search for the Neutrinoless Double-Beta Decay of ¹¹⁶Cd

Figure 14

Simulated half-life sensitivity according to the unified approach [41] for 90% confidence level after 5 years of measuring time with 420 kg CdTe employing background identification for different combinations of sensor thickness and pixel size as functions of the specific single-electron background rate 𝑏.

(a)  2 mm thickness

(b) 3 mm thickness

(c) 4 mm thickness

(d) 5 mm thickness