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dc.contributor.authorÁguila, Francisco deles_ES
dc.contributor.authorChala, Mikaeles_ES
dc.contributor.authorSantamaría, Arcadies_ES
dc.contributor.authorWudka, Josées_ES
dc.date.issued2013-10-
dc.identifier.citationPhysics Letters - Section B 725 (4-5): 310-315 (2013)es_ES
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10261/126819-
dc.description.abstractMany Standard Model extensions predict doubly-charged scalars; in particular, all models with resonances in charged lepton-pair channels with non-vanishing lepton number; if these are pair produced at the LHC, the observation of their decay into l(-/+)l(-/+)W(-/+)W(-/+) will be necessary in order to establish their lepton-number violating character, which is generally not straightforward. Nonetheless, the analysis of events containing four charged leptons (including scalar decays into one or two taus as well as into W bosons) makes it possible to determine whether the doubly-charged excitation belongs to a multiplet with weak isospin T = 0,1/2,1,3/2 or 2 (assuming there are no excitations with charge > 2); though discriminating between the isosinglet and isodoublet cases is possible only if charged-current events cannot produce the doubly-charged isosinglet.es_ES
dc.description.sponsorshipWe thank J. Santiago and A. Aparici for useful discussions and the careful reading of the manuscript. This work has been supported in part by the Ministry of Economy and Competitiveness (MINECO), under the grant Nos. FPA2006-05294, FPA2010-17915 and FPA2011-23897, by the Junta de Andalucia grants FQM 101 and FQM 6552, by the "Generalitat Valenciana" grant PROME-TEO/2009/128, and by the US Department of Energy grant No. DE-FG03-94ER40837. M.C. is supported by the MINECO under the FPU program.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation.isversionofPreprintes_ES
dc.rightsopenAccesses_ES
dc.subjectAtlas detectores_ES
dc.subjectRoot-s=7 teves_ES
dc.titleDiscriminating between lepton number violating scalars using events with four and three charged leptons at the LHCes_ES
dc.typeartículoes_ES
dc.identifier.doi1873-2445-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.physletb.2013.07.014es_ES
dc.identifier.e-issn1873-2445-
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderJunta de Andalucíaes_ES
dc.contributor.funderGeneralitat Valencianaes_ES
dc.relation.csices_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003359es_ES
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