[[Image:HPD_3dist.png|Distributions from runs with different light levels (roughly 64, 530 and 973 primary detected photons.) Units are arbitrary and histograms have been rescaled for comparison.]] | [[Image:HPD_3dist.png|Distributions from runs with different light levels (roughly 64, 530 and 973 primary detected photons.) Units are arbitrary and histograms have been rescaled for comparison.]] |