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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/30573

Title: New neutrino interactions at large colliders
Authors: Águila Giménez, Francisco del
Aguilar-Saavedra, Juan Antonio
Blas, Jorge de
Issue Date: 2010
Abstract: We update present bounds on the helicity of the neutrinos produced in muon decay, including e+e− ! f f LEP 2 data. These significantly reduce the limits derived from all the other electroweak precision data. In Standard Model extensions designed to maximize the RH neutrino production in such a decay the neutrino deficit eventually observable in a near detector at a neutrino factory can be of the order of 5 %. Motivated by the current LHC run at 7 TeV, we also update previous work providing discovery limits on see-saw mediators at this centre of mass energy. Lepton triplets with 200 GeV could be discovered with luminosities of 1 - 1.5 fb−1. Scalar triplets of the same mass might be seen with 0.75 - 3 fb−1. What makes their search also attractive in the first LHC analyses.
Sponsorship: This work has been partially supported by MICINN (FPA2006-05294), Junta de Andalucía (FQM 101, FQM 03048) and the European Union (MRTN-CT-2006-035505).
Publisher: Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Description: 35th International Conference of High Energy Physics - ICHEP2010, July 22-28, 2010, Paris (France). PoS(ICHEP 2010) 296.
Keywords: Neutrino
Hadronic colliders
URI: http://hdl.handle.net/10481/30573
ISSN: 1824-8039
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Águila, F.; Aguilar-Saavedra, J.A.; Blas, J. New neutrino interactions at large colliders. Proceedings of Science: 296 (2010). [http://hdl.handle.net/10481/30573]
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