  ![Same as Fig. \[fig:Z0\] but for a statistical significance corresponding to 0 standard deviations, i.e. $\mathcal{Z}=0$.[]{data-label="fig:Z0"}](./figures_v0/Z0_FDM0_detreach-eps-converted-to.pdf){width="\textwidth"}  ![Same as Fig. \[fig:Z0\] but for a statistical significance corresponding to 0 standard deviations, i.e. $\mathcal{Z}=0$.[]{data-label="fig:Z0"}](./figures_v0/Z0_FDMq0_detreach-eps-converted-to.pdf){width="00.00000%"}  For $m_\chi$ larger than about 00 MeV, HV detectors are more sensitive to DM than CCD detectors