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

Figure 6

Simulated spectra of the total energy given in number of events per kg×keV×yr for 0𝜈𝛽𝛽- (blue) and 2𝜈𝛽𝛽-decays (red). Cadmium was assumed to be enriched to 90% in 116Cd. The green vertical line indicates the position of the Q-value of the decay. The shifts of the peak positions for 0𝜈𝛽𝛽-decays to deposited energies smaller than the Q-value is due to charge sharing at the edges of the electron tracks.

(a)  2 mm thickness, 55 μm pitch

(b) 3 mm thickness, 110 μm pitch

(c) 3 mm thickness, 165 μm pitch

(d) 5 mm thickness, 110 μm pitch