The long hunted sterile neutrino cannot be traced

Some of the most abundant particles in the universe are the so-called ghost particles, neutrinos, which travel through virtually anything on their journey through the universe. Researchers have identified three types of neutrinos, but they have been searching for one more type, an even more ghostlike sterile neutrino, which would explain mysterious phenomena like dark matter. After analysing thousands of neutrinos in the IceCube Neutrino Observatory at the South Pole, researchers from the Niels ...