Direct measurement of the mass difference between top and antitop quarks
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Abstract
We present a measurement of the mass difference between t and t̄ quarks in lepton+jets final states of tt̄ events in 1fb-1 of data collected with the D0 detector from Fermilab Tevatron Collider pp̄ collisions at s=1.96TeV. The measured mass difference of 3.8±3.7GeV is consistent with the equality of t and t̄ masses. This is the first direct measurement of a mass difference between a quark and its antiquark partner. © 2009 The American Physical Society.
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Antiquarks, Direct measurement, Fermilab Tevatron collider, Final state, Mass difference, Tellurium compounds
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English
Citation
Physical Review Letters, v. 103, n. 13, 2009.
