2014

Sterile neutrinos and right-handed currents in KATRIN

Barry, James, Heeck, Julian, Rodejohann, Werner

Understand

Kurie-plot experiments allow for neutrino-mass measurements based on kinematics in an almost model-independent manner.

A future tritium-based KATRIN-like experiment can be sensitive to light sterile neutrinos with masses below 18 keV, which are among the prime candidates for warm dark matter.
Here we consider such keV neutrinos in left--right symmetric extensions, i.e.
coupled to right-handed currents, which allow for an enhanced contribution to beta decay even for small active--sterile mixing, without violating astrophysical X-ray constraints.

Built on

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Similar

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2001
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2003
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2008
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2011
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2011
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