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    Search for Sterile Neutrinos: It’s all about a Bend in the Curve

    April 13, 2021, Categories  Physics, Technology/Electronics

    The results of the KATRIN experiment rule out a light sterile neutrino with a mass between 3 and 30 electronvolt. A neutrino within this range would have revealed itself by a bend in the orange line, e.g. as shown here at 10 electronvolt under the final value of 18.6 kiloelectronvolt. (Green line: Spectrum of a virtual light sterile neutrino with a mass of 10 eV; blue line: spectrum of the classical, active neutrino; orange line: combined spectrum. (Plot: KATRIN collaboration)

    KATRIN experiment succeeds in strongly narrowing the search elusive particles. There are many questions surrounding the elementary particle neutrino, in particular regarding its mass...

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