Complex sentence: ADMX searches the galactic dark matter halo for resonant axions with a cold microwave cavity and has excluded optimistic axion models in the 1.9-3.53 μeV range.
Split into simpler sentences: ADMX searches the dark matter halo of our galaxy for resonant axions with a cold microwave cavity. ADMX has excluded optimistic axion models in the 1.9-3.53 μeV range.