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Measurement of the top quark charge in pp collisions at roots=7 TeV with the ATLAS detector
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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2013 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 11, 031- p.Article in journal (Refereed) Published
Abstract [en]

A measurement of the top quark electric charge is carried out in the ATLAS experiment at the Large Hadron Collider using 2.05 fb(-1) of data at a centre-of-mass energyof 7TeV. In units of the elementary electric charge, the top quark charge is determined to be 0.64 +/- 0.02 (stat.) +/- 0.08 (syst.) from the charges of the top quark decay products in single lepton t (t) over bar candidate events. This excludes models that propose a heavy quark ofelectric charge -4/3, instead of the Standard Model top quark, with a significance of more than 8 sigma.

Place, publisher, year, edition, pages
2013. no 11, 031- p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-212402DOI: 10.1007/JHEP11(2013)031ISI: 000326719500001OAI: oai:DiVA.org:uu-212402DiVA: diva2:677669
Note

ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1007/JHEP11(2013)031.

Available from: 2013-12-10 Created: 2013-12-10 Last updated: 2017-12-06Bibliographically approved

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Brenner, RichardBuszello, Claus PConiavitis, EliasEkelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderPelikan, Daniel

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Brenner, RichardBuszello, Claus PConiavitis, EliasEkelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderPelikan, Daniel
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