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Abstract: A search for heavy narrow resonances decaying into four-lepton final states has been performed using proton?proton collision data at s=8TeV collected by the CMS experiment, corresponding to an integrated luminosity of 19.7fb?1. No excess of events over the standard model background expectation is observed. Upper limits for a benchmark model on the product of cross section and branching fraction for the production of these heavy narrow resonances are presented. The limit excludes leptophobic Z? bosons with masses below 2.5TeV within the benchmark model. This is the first result to constrain a leptophobic Z? resonance in the four-lepton channel.
Fuente: Physics Letters B 773 (2017) 563-584
Publisher: Elsevier
Publication date: 01/10/2017
No. of pages: 22
Publication type: Article
DOI: 10.1016/j.physletb.2017.08.069
ISSN: 0370-2693,1873-2445
Publication Url: https://doi.org/10.1016/j.physletb.2017.08.069
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KHACHATRYAN, VLADIMIR
JOSE IBAN CABRILLO BARTOLOME
ALICIA CALDERON TAZON
JUAN RAMON CASTIÑEIRAS DE SAA
ESTEBAN CURRAS RIVERA
MARCOS FERNANDEZ GARCIA
JUAN GARCIA FERRERO
GERVASIO GOMEZ GRAMUGLIO
MARIA AMPARO LOPEZ VIRTO
JESUS MARCO DE LUCAS
CELSO MARTINEZ RIVERO
FRANCISCO MATORRAS WEINIG
JONATAN PIEDRA GOMEZ
MARIA TERESA RODRIGO ANORO
ALBERTO RUIZ JIMENO
LUCA SCODELLARO
NICOLO TREVISANI
IVAN VILA ALVAREZ
ROCIO VILAR CORTABITARTE
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