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Keyword: dayabay

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  • Astronomy Picture of the Day -- Inside a Daya Bay Antineutrino Detector

    05/22/2016 9:30:47 PM PDT · by SunkenCiv · 7 replies
    NASA ^ | Monday, May 23, 2016 | (see photo credit)
    Explanation: Why is there more matter than antimatter in the Universe? To better understand this facet of basic physics, energy departments in China and the USA led in the creation of the Daya Bay Reactor Neutrino Experiment. Located under thick rock about 50 kilometers northeast of Hong Kong, China, eight Daya Bay detectors monitor antineutrinos emitted by six nearby nuclear reactors. Featured here, a camera looks along one of the Daya Bay detectors, imaging photon sensors that pick up faint light emitted by antineutrinos interacting with fluids in the detector. Early results indicate an unexpectedly high rate of one type...
  • Reactor Data Hint At Existence Of Fourth Neutrino

    03/22/2016 10:11:28 AM PDT · by blam · 15 replies
    MyInforms - Science News ^ | 3-22-2016 | Ron Cowen
    Ron Cowen 3-22-2016 In tunnels deep inside a granite mountain at Daya Bay, a nuclear reactor facility some 55 kilometers from Hong Kong, sensitive detectors are hinting at the existence of a new form of neutrino, one of nature’s most ghostly and abundant elementary particles.Neutrinos, electrically neutral particles that sense only gravity and the weak nuclear force, interact so feebly with matter that 100 trillion zip unimpeded through your body every second. They come in three known types: electron, muon and tau. The Daya Bay results suggest the possibility that a fourth, even more ghostly type of neutrino exists —...