Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/115204
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Type: Journal article
Title: Search for high-mass diboson resonances with boson-tagged jets in proton-proton collisions at √s = 8TeV with the ATLAS detector
Other Titles: Search for high-mass diboson resonances with boson-tagged jets in proton-proton collisions at root s = 8TeV with the ATLAS detector
Author: The, A.C.
Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Abolins, M.
AbouZeid, O.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
Affolder, A.
Agatonovic-Jovin, T.
et al.
Citation: Journal of High Energy Physics, 2015; 2015(12):055-1-055-39
Publisher: Springer
Issue Date: 2015
ISSN: 1126-6708
1029-8479
Statement of
Responsibility: 
G. Aad … P. Jackson … L. Lee ... A. Petridis … M. J. White … et al. (ATLAS Collaboration)
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 s√=8 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.
Keywords: Exotics; Hadron-Hadron Scattering
Rights: © The Author(s) 2015. This article is published under an open access license. Please check the 'Copyright Information' section for details of this license and what re-use is permitted. If your intended use exceeds what is permitted by the license or if you are unable to locate the licence and re-use information, please contact the Rights and Permissions team.
RMID: 0030041010
DOI: 10.1007/JHEP12(2015)055
Appears in Collections:Physics publications

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