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Measurement of the top quark charge in pp collisions at root s=7 TeV with the ATLAS detector

Abstract:
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 energy of 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 tt̄ candidate events. This excludes models that propose a heavy quark of electric charge -4/3, instead of the Standard Model top quark, with a significance of more than 8σ. Copyright CERN.
Publication status:
Published

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Publisher copy:
10.1007/JHEP11(2013)031

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Journal:
JOURNAL OF HIGH ENERGY PHYSICS
Volume:
2013
Issue:
11
Publication date:
2013-11-05
DOI:
EISSN:
1029-8479
ISSN:
1029-8479
Source identifiers:
441091
Keywords:
Pubs id:
pubs:441091
UUID:
uuid:9798aa99-a3bd-410b-849a-45f01bfeb34a
Local pid:
pubs:441091
Deposit date:
2013-12-11

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