Dark Matter Experiments Unveil 'Ghostly' Neutrino Fog
Originally Published 1 year ago — by Interesting Engineering

For the first time, two dark matter experiments, XENON in Italy and PandaX in China, have detected a 'neutrino fog,' a dense cloud of neutrinos, using liquid xenon detectors. This discovery, involving coherent elastic neutrino-nucleus scattering (CEvNS), complicates the search for dark matter as neutrinos can create background noise that mimics dark matter signals. Despite this challenge, experts believe the impact of this 'neutrino fog' on dark matter research is manageable. The findings are published in Physical Review Letters.
