Grifols, Josep AntoniMassó i Soler, Eduard, 1954-Toldrà Sabaté, Ramon2010-05-062010-05-0619980556-2821https://hdl.handle.net/2445/12352We 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 $\Lambda>90$ TeV.4 p.application/pdfeng(c) The American Physical Society, 1998Partícules (Física nuclear)Supernoves (Estels)NeutrinsParticles (Nuclear physics)Supernova (Firm)Neutrinosinfo:eu-repo/semantics/article508055info:eu-repo/semantics/openAccess