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arXiv · 1805.00070

Probing heavy neutrino oscillations in rare W boson decays

Gorazd Cvetic·Arindam Das·Jilberto Zamora-Saa
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Abstract

In this work, we study the lepton number violating W boson and top quark decays via intermediate on-shell Majorana neutrinos Nj into three charged leptons and a light neutrino. We discuss the neutrino oscillation effects present in the decay due to the small mass gap between the heavy neutrino states. We focus on a scenario that contains at least two heavy Majorana neutrinos in the mass range 2-80 GeV. The results indicate that the modulation of the branching ratios as a function of the distance between the vertices may be detected in a future experiment such as High-Luminosity Large Hadron Collider. As a secondary result, the CP-violating phases could be explored.

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Gorazd Cvetic, Arindam Das, Jilberto Zamora-Saa. 2019-03-26. Probing heavy neutrino oscillations in rare W boson decays. https://doi.org/10.1088/1361-6471%2Fab1212

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