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    Search for a Light Sterile Neutrino at Daya Bay

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    Search for a Light Sterile Neutrino ay Daya Bay.pdf (353.7Kb)
    Date
    2014-07
    Author
    Kebwaro, Jeremiah Monari
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    Abstract
    A search for light sterile neutrino mixing was performed with the first 217 days of data from the Daya Bay ReactorAntineutrinoExperiment. Theexperiment’suniqueconfigurationofmultiplebaselinesfromsix2.9GWth nuclear reactors to six antineutrino detectors deployed in two near (effective baselines 512 m and 561 m) and one far (1579 m) underground experimental halls makes it possible to test for oscillations to a fourth (sterile) neutrino in the 10−3 eV2 < |∆m241| < 0.3 eV2 range. The relative spectral distortion due to electron antineutrinodisappearancewasfoundtobeconsistentwiththatofthethree-flavoroscillationmodel. Thederivedlimits on sin2 2θ14 cover the 10−3 eV2 .|∆m2 41|. 0.1 eV2 region, which was largely unexplored.
    URI
    http://karuspace.karu.ac.ke/handle/20.500.12092/1971
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    • Department of Physical Sciences [24]

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