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Search for high-mass diboson resonances with boson-tagged jets in proton-proton collisions at √s = 8TeV with the ATLAS detector

The, ATLAS collaboration
•
Aad, G.
•
Abbott, B.
altro
Zwalinski, L.
2015
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
A search is performed for narrow resonances decaying into WW, WZ, or ZZ boson pairs using 20.3 fb(-1) of proton-proton collision data at a centre-of-mass energy of root s = TeV recorded with the ATLAS detector at the Large Hadron Collider. Diboson resonances with masses in the range from 1.3 to 3.0 TeV are sought after using the invariant mass distribution of dijets where both jets are tagged as a boson jet, compatible with a highly boosted W or Z boson decaying to quarks, using jet mass and substructure properties. The largest deviation from a smoothly falling background in the observed dijet invariant mass distribution occurs around 2 TeV in the WZ channel, with a global significance of 2.5 standard deviations. Exclusion limits at the 95% confidence level are set on the production cross section times branching ratio for the WZ final state of a new heavy gauge boson, W', and for the WW and ZZ final states of Kaluza-Klein excitations of the graviton in a bulk Randall-Sundrum model, as a function of the resonance mass. W' bosons with couplings predicted by the extended gauge model in the mass range from 1.3 to 1.5 TeV are excluded at 95% confidence level.
DOI
10.1007/JHEP12(2015)055
WOS
WOS:000366831400001
Archivio
http://hdl.handle.net/11390/1097212
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84950325294
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84950325294&partnerID=40&md5=e9f1dfd4fad65781f230b2ea34621146
Diritti
open access
Soggetti
  • Exotic

  • Hadron-Hadron Scatter...

Scopus© citazioni
122
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
146
Data di acquisizione
Mar 28, 2024
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