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Relic Right-handed Dirac Neutrinos and Cosmic Neutrino Background

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arxiv 1612.08320 v1 pith:MPCNGEVQ submitted 2016-12-26 hep-ph

Relic Right-handed Dirac Neutrinos and Cosmic Neutrino Background

classification hep-ph
keywords cosmicneutrinosbackgrounddiracneutrinoptolemyrelicright-handed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The PTOLEMY experiment, implementing a $100~{\rm g}$ surface-deposition tritium target, is promising to detect cosmic neutrino background via $\nu^{}_e + {^3}{\rm H} \to {^3}{\rm He} + e^-$. In this talk, I consider a thermal production of right-handed Dirac neutrinos in the early Universe, and investigate their impact on the capture rate of cosmic relic neutrinos at PTOLEMY.

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