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Search for leptophobic Z' bosons decaying into four-lepton final states in proton-proton collisions at sqrt(s) = 8 TeV (CROSBI ID 247105)

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(CMS Collaboration) Khachatryan, V. ; ... ; Sudić, Lucija ; Godinović, Nikola ; Puljak, Ivica ; Starodumov, Andrey ; Morović, Srećko ; Lelas, Damir ; Kovač, Marko ; Đurić, Senka et al. Search for leptophobic Z' bosons decaying into four-lepton final states in proton-proton collisions at sqrt(s) = 8 TeV // Physics letters. B, 773 (2017), 563-584. doi: 10.1016/j.physletb.2017.08.069

Podaci o odgovornosti

Khachatryan, V. ; ... ; Sudić, Lucija ; Godinović, Nikola ; Puljak, Ivica ; Starodumov, Andrey ; Morović, Srećko ; Lelas, Damir ; Kovač, Marko ; Đurić, Senka ; Ferenček, Dinko ; Mićanović, Saša ; Brigljević, Vuko ; Luetić, Jelena ; Antunović, Željko ; Kadija, Krešo ; Šuša, Tatjana ; ... ; Woods, Nate

CMS Collaboration

engleski

Search for leptophobic Z' bosons decaying into four-lepton final states in proton-proton collisions at sqrt(s) = 8 TeV

A search for heavy narrow resonances decaying into four-lepton final states from cascade decays of a Z' boson has been performed using proton-proton collision data at sqrt(s) = 8 TeV collected by the CMS experiment, corresponding to an integrated luminosity of 19.7 inverse femtobarns. 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 2.5 TeV within the benchmark model. This is the first result to constrain a leptophobic Z' resonance in the four-lepton channel.

High energy physics, Experimental particle physics, LHC, CMS, Standard Model

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Podaci o izdanju

773

2017.

563-584

objavljeno

0370-2693

0370-2693

10.1016/j.physletb.2017.08.069

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Fizika

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