News & AnalysisParticle Physics

Key Neutrino Measurement Signals China's Rise

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Science  16 Mar 2012:
Vol. 335, Issue 6074, pp. 1287-1288
DOI: 10.1126/science.335.6074.1287

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On 8 March at a seminar at the Institute of High Energy Physics, physicists working with China's Daya Bay Reactor Neutrino Experiment announced the measurement of a crucial parameter describing the behavior of neutrinos, nearly massless subatomic particles that hardly interact with anything else. The parameter's value suggests that future neutrino experiments, some of which may help explain why the universe contains so much more matter than antimatter, will prove even more fertile than physicists had hoped.