Displaced heavy neutrinos from Z ' decays at the LHC

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dc.contributor.authorChiang, Cheng Wei
dc.contributor.authorCottin, Giovanna
dc.contributor.authorDas, Arindam
dc.contributor.authorMandal, Sanjoy
dc.date.accessioned2024-01-10T13:12:24Z
dc.date.available2024-01-10T13:12:24Z
dc.date.issued2019
dc.description.abstractWe study the LHC sensitivity to probe a long-lived heavy neutrino N in the context of Z' models. We focus on displaced vertex signatures of N when pair produced via a Z', decaying to leptons and jets inside the inner trackers of the LHC experiments. We explore the LHC reach with current long-lived particle search strategies for either one or two displaced vertices in association with hadronic tracks or jets. We focus on two well-motivated models, namely, the minimal U(1)(B-L) scenario and its U(1)(X) extension. We find that searches for at least one displaced vertex can cover a significant portion of the parameter space, with light-heavy neutrino mixings as low as vertical bar V-lN vertical bar(2) approximate to 10(-17), and l = e, mu accessible across GeV scale heavy neutrino masses.
dc.description.funderMinistry of Science and Technology (MOST) of Taiwan
dc.description.funderCONICYT-Chile FONDECYT
dc.description.funderJapan Society for the Promotion of Science (JSPS) Post-doctoral Fellowship for Research in Japan
dc.fechaingreso.objetodigital2024-04-15
dc.format.extent20 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1007/JHEP12(2019)070
dc.identifier.issn1029-8479
dc.identifier.urihttps://doi.org/10.1007/JHEP12(2019)070
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/78181
dc.identifier.wosidWOS:000521211900001
dc.information.autorucFísica;Cottin Buracchio Giovanna Fran;S/I;162066
dc.issue.numero12
dc.language.isoen
dc.nota.accesocontenido completo
dc.publisherSPRINGER
dc.revistaJOURNAL OF HIGH ENERGY PHYSICS
dc.rightsacceso abierto
dc.subjectBeyond Standard Model
dc.subjectNeutrino Physics
dc.subjectB-L
dc.subjectMASS
dc.titleDisplaced heavy neutrinos from Z ' decays at the LHC
dc.typeartículo
sipa.codpersvinculados162066
sipa.indexWOS
sipa.trazabilidadCarga SIPA;09-01-2024
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