Flavor in heavy neutrino searches at the LHC
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American Physical Society
Heavy neutrinoLHC (Large Hadron Collider)
Aguilar-Saavedra, J.A.; et al. Flavor in heavy neutrino searches at the LHC. Physical Review D, 85: 091301 (2012). [http://hdl.handle.net/10481/30517]
SponsorshipThis work has been partially supported by MICINN projects FPA2006-05294, FPA2010- 17915, FPA2011-22975 and MULTIDARK CSD2009-00064 (Consolider-Ingenio 2010 Programme), by Prometeo/ 2009/091 (Generalitat Valenciana), by the EU ITN UNILHC PITN-GA-2009-237920 and Junta de Andalucía projects FQM 101, FQM 03048 and FQM 6552. The work of O.K. has been supported by a CPAN fellowship.
Heavy neutrinos at the TeV scale have been searched for at the LHC in the context of left-right models, under the assumption that they couple to the electron, the muon, or both. We show that current searches are also sensitive to heavy neutrinos coupling predominantly to the tau lepton, and present limits can signiﬁcantly constrain the parameter space of general ﬂavour mixing.