Looking for signals beyond the neutrino standard model
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Águila, F.; et al. Looking for signals beyond the neutrino standard model. Acta Physica Polonica B, 38(11): 3339-3348 (2007). [http://hdl.handle.net/10481/32733]
PatrocinadorThis work has been supported by MEC project FPA2006-05294, Junta de Andalucía projects FQM 101 and FQM 437, and by the European Community’s Marie-Curie Research Training Network under contract MRTN-CT-2006-035505 “Tools and Precision Calculations for Physics Discoveries at Colliders”. J.A.A.-S. acknowledges support by a MEC Ramón y Cajal contract. J.B. also thanks MEC for an FPU grant.
Any new neutrino physics at the TeV scale must include a suppression mechanism to keep its contribution to light neutrino masses small enough. We review some seesaw model examples with weakly broken lepton number, and comment on the expected effects at large colliders and in neutrino oscillations.