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Measurement of the charge asymmetry in dileptonic decays of top quark pairs in pp collisions at √s = 7 TeV using the ATLAS detector
The, ATLAS collaboration
•
Aad, G.
•
Abbott, B.
altro
Zwalinski, L.
2015
journal article
Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
A measurement of the top-antitop (tt ̄) charge asymmetry is presented using data corresponding to an integrated luminosity of 4.6 fb−1 of LHC pp collisions at a centreof-mass energy of 7 TeV collected by the ATLAS detector. Events with two charged leptons, at least two jets and large missing transverse momentum are selected. Two observables are studied: AC ll based on the identified charged leptons, and (Formula Presented.), based on the reconstructed tt final state. The asymmetries are measured to be (Formula Presented.). The measured values are in agreement with the Standard Model predictions.[Figure not available: see fulltext.] © 2015, The Author(s).
DOI
10.1007/JHEP05(2015)061
WOS
WOS:000356951100004
Archivio
http://hdl.handle.net/11390/1097428
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84929461885
http://link.springer.com/article/10.1007%2FJHEP05%282015%29061
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Hadron-Hadron Scatter...
Top physics
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Data di acquisizione
Jun 7, 2022
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Mar 6, 2024
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