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Search for new resonances in Wγ and Zγ final states in pp collisions at √s = 8 TeV with the ATLAS detector

2014/07/31 by G. Aad, ATLAS Collaboration, B. Abbott +106 · 12 citations
Physics and Astronomy · #Atlas (anatomy) #Atlas detector #Detector #Geology #High-Energy Particle Collisions Research #Large Hadron Collider #Nuclear physics #Optics #Particle physics #Particle physics theoretical and experimental studies #Philosophy #Physics #Quantum Chromodynamics and Particle Interactions #Scroll #Theology #hep-ex

paper · pdf · doi:10.1016/j.physletb.2014.10.002

published as Phys.Lett. B738 (2014) 428-447 · 10 pages plus author list + cover pages (23 pages total), 3 figures, 2 tables, submitted to PLB, All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2013-09/

openalex publication_date 2014/10/01 · arxiv created 2015/01/20 · arxiv updated 2015/02/05 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

This Letter presents a search for new resonances decaying to final states with a vector boson produced in association with a high transverse momentum photon, V gamma, with V = W(-> l nu) or Z(-> l(+)l(-)), where l = mu or mu. The measurements use 20.3fb(-1) of proton-proton collision data at a center-of-mass energy of root s = 8 TeV recorded with the ATLAS detector. No deviations from the Standard Model expectations are found, and production cross section limits are set at 95% confidence level. Masses of the hypothetical a(T) and omega(T) states of a benchmark Low Scale Technicolor model are excluded in the ranges [275, 960] GeV and [200, 700]boolean OR[750, 890] GeV, respectively. Limits at 95% confidence level on the production cross section of a singlet scalar resonance decaying to Z gamma final states have also been obtained for masses below 1180GeV. Published by Elsevier B. V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/).

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