Decaying dark matter: Unidentified X-ray emission lines in galaxy cluster spectra may point the way

Scientists search for "decaying" dark matter (DDM) because it offers unique signatures like specific X-ray or gamma-ray lines ...
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Scientists capture the X-ray fingerprint of a single atom for the first time — and this could change everything

Open the Youtube video In a quiet lab at Argonne National Laboratory, Saw-Wai Hla and his team were huddled around their ...