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arXiv · hep-ph/9612340

Heavy Majorana neutrinos in e^-e^- collisions

C. Greub·P. Minkowski
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Abstract

We discuss the process $e^-e^- \to W^- W^-$ mediated by heavy Majorana neutrino exchange in the t- and u channel. In our model the cross section for this reaction is a function of the masses (m_N) of the heavy Majorana neutrinos and mixing parameters (U_{eN}) originating from mixing between the ordinary left-handed standard model neutrinos and additional singlet right-handed neutrino fields. Taking into account the standard model background and contraints from low energy measurements, we present discovery limits in the (m_N,U_{eN}^2) plane. We also discuss how to measure in principle the CP violating phases, i.e., the relative phases between the mixing parameters.

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C. Greub, P. Minkowski. 1996-12-12. Heavy Majorana neutrinos in e^-e^- collisions. https://doi.org/10.1142/s0217751x98001153

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