The existence of this process, called Glashow resonance, marks yet another validation of the standard model (SM) of particle physics, which has been so remarkable in describing the subatomic world in terms of elementary particles and the fundamental forces of nature (minus gravity) since it was formulated and put on a firm footing in the1970s. PHYSICISTS working with the giant instrument called the IceCube Neutrino Observatory- which is buried a couple of kilometres deep under a huge mass of Antarctic ice and is designed to detect ultra-high-energy (UHE) neutrinos from outer space-may have found evidence of a rare neutrino interaction with matter, something that had been predicted to exist more than six decades ago.
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