Probing heavy neutrino oscillations in rare W boson decays

Gorazd Cvetic, Arindam Das, Jilberto Zamora-Saa

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

In this work, we study the lepton number violating W boson and top quark decays via intermediate on-shell Majorana neutrinos N j 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 . 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.

Original languageEnglish
Article number075002
JournalJournal of Physics G: Nuclear and Particle Physics
Volume46
Issue number7
DOIs
Publication statusPublished - 15 May 2019

Keywords

  • neutrino physics
  • heavy neutrino oscillations
  • CP violation phases
  • rare W bosons decays

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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