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Contact Interactions Involving Right-handed Neutrinos and SN1987A

J. A. Grifols, E. Masso, R. Toldra

hep-pharXiv:hep-ph/9707531

Abstract

We consider lepton-quark contact interactions in models with right-handed neutrinos, and find that observational data from SN1987A restricts the scale of such interactions to be at least Λ>90 TeV.

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