Particle Physics
A philosopher has argued that the Standard Model of particle physics may need a philosophical overhaul because of the unusual behavior of neutrinos.
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The Jiangmen Underground Neutrino Observatory in China has published its initial physics results, delivering highly precise data on neutrino oscillation parameters after just 59 days of operation.
Researchers have discovered that entropy remains constant during the transition from a chaotic quark-gluon state to stable particles in proton collisions at the Large Hadron Collider. This unexpected stability serves as a direct signature of quantum mechanics' unitarity principle. The finding, based on refined models and LHC data, challenges initial intuitions about the process's disorder.
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An international team of physicists, including Rutgers researchers, has concluded that a hypothesized fourth type of neutrino, known as the sterile neutrino, likely does not exist. Using the MicroBooNE experiment at Fermilab, they analyzed data from two neutrino beams over ten years and found no evidence for it with 95% certainty. The findings, published in Nature, challenge previous explanations for unusual neutrino behavior.