Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/115080
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dc.contributor.author | The, A.C. | - |
dc.contributor.author | Aad, G. | - |
dc.contributor.author | Abbott, B. | - |
dc.contributor.author | Abdallah, J. | - |
dc.contributor.author | Abdinov, O. | - |
dc.contributor.author | Aben, R. | - |
dc.contributor.author | Abolins, M. | - |
dc.contributor.author | AbouZeid, O. | - |
dc.contributor.author | Abramowicz, H. | - |
dc.contributor.author | Abreu, H. | - |
dc.contributor.author | Abreu, R. | - |
dc.contributor.author | Abulaiti, Y. | - |
dc.contributor.author | Acharya, B. | - |
dc.contributor.author | Adamczyk, L. | - |
dc.contributor.author | Adams, D. | - |
dc.contributor.author | Adelman, J. | - |
dc.contributor.author | Adomeit, S. | - |
dc.contributor.author | Adye, T. | - |
dc.contributor.author | Affolder, A. | - |
dc.contributor.author | Agatonovic-Jovin, T. | - |
dc.contributor.author | et al. | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | The Journal of High Energy Physics, 2015; 2015(11):172-1-172-48 | - |
dc.identifier.issn | 1126-6708 | - |
dc.identifier.issn | 1029-8479 | - |
dc.identifier.uri | http://hdl.handle.net/2440/115080 | - |
dc.description.abstract | The production cross sections of top-quark pairs in association with massive vector bosons have been measured using data from pp collisions at s√=8 TeV. The dataset corresponds to an integrated luminosity of 20.3 fb−1 collected by the ATLAS detector in 2012 at the LHC. Final states with two, three or four leptons are considered. A fit to the data considering the tt¯W and tt¯Z processes simultaneously yields a significance of 5.0σ (4.2σ) over the background-only hypothesis for tt¯W (tt¯Z) production. The measured cross sections are σtt¯W=369+100−91 fb and σtt¯Z=176+58−52 fb. The background-only hypothesis with neither tt¯W nor tt¯Z production is excluded at 7.1σ. All measurements are consistent with next-to-leading-order calculations for the tt¯W and tt¯Z processes. | - |
dc.description.statementofresponsibility | G. Aad ... Paul D. Jackson … Lawrence Lee-Jr … Andreas Petridis … Nitesh Soni … Martin White … et al. (ATLAS Collaboration) | - |
dc.language.iso | en | - |
dc.publisher | Springer | - |
dc.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. | - |
dc.source.uri | http://dx.doi.org/10.1007/jhep11(2015)172 | - |
dc.subject | Electroweak interaction; Hadron-Hadron scattering; top physics | - |
dc.title | Measurement of the tt¯W and tt¯Z production cross sections in pp collisions at √s = 8 TeV with the ATLAS detector | - |
dc.title.alternative | Measurement of the tt -barW and tt -barZ production cross sections in pp collisions at s root=8 TeV with the ATLAS detector | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1007/JHEP11(2015)172 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 3 Physics publications |
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File | Description | Size | Format | |
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hdl_115080.pdf | Published version | 1.86 MB | Adobe PDF | View/Open |
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