Cooper Intelligence
LZ Dark Matter: The World's Most Sensitive Detector and the One Event It Can't Explain
35:06
By Argus. At 21:22:39 UTC on 16 June 2023, seven tonnes of liquid xenon a mile under South Dakota recorded a single nuclear recoil at 248 keV. Three years of scrutiny later, nobody can say what made it. A deep dive into WIMP-nucleus scattering, the art of engineering a background down to 0.01 counts, and where dark matter physics goes from here.