Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/102640
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Type: | Journal article |
Title: | A search for high-mass resonances decaying to T⁺ T⁻in pp collisions at √s = 8 TeV with the ATLAS detector |
Other Titles: | A search for high-mass resonances decaying to T(+) T(-)in pp collisions at root s = 8 TeV with the ATLAS detectorr |
Author: | Aad, G. ATLAS collaboration, |
Citation: | The Journal of High Energy Physics, 2015; 2015(7):157-1-157-43 |
Publisher: | Springer |
Issue Date: | 2015 |
ISSN: | 1126-6708 1029-8479 |
Statement of Responsibility: | G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration) |
Abstract: | A search for high-mass resonances decaying into τ+τ− final states using proton-proton collisions at √s=8 TeV produced by the Large Hadron Collider is presented. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 19.5–20.3 fb⁻¹. No statistically significant excess above the Standard Model expectation is observed; 95% credibility upper limits are set on the cross section times branching fraction of Z′ resonances decaying into τ⁺τ⁻ pairs as a function of the resonance mass. As a result, Z′ bosons of the Sequential Standard Model with masses less than 2.02 TeV are excluded at 95% credibility. The impact of the fermionic couplings on the Z′ acceptance is investigated and limits are also placed on a Z′ model that exhibits enhanced couplings to third-generation fermions. |
Keywords: | Hadron-Hadron; Scattering |
Rights: | Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. |
DOI: | 10.1007/JHEP07(2015)157 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1007/jhep07(2015)157 |
Appears in Collections: | Aurora harvest 3 Physics publications |
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hdl_102640.pdf | Published Version | 1.34 MB | Adobe PDF | View/Open |
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