Fermi National Accelerator Laboratory
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چکیده
We summarize the current top-quark mass measurements from the CDF and DØ experiments at Fermilab. We combine published Run I (1992–1996) results with the most precise published and preliminary Run II (2001–2011) measurements based on data corresponding to up to 9.7 fb−1 of pp̄ collisions. Taking correlations of uncertainties into account, and combining the statistical and systematic uncertainties, the resulting preliminary Tevatron average mass of the top quark is Mt = 174.34 ± 0.64 GeV/c2, corresponding to a relative precision of 0.37%. The Tevatron Electroweak Working Group can be contacted at [email protected]. More information can be found at http://tevewwg.fnal.gov. 1 ar X iv :1 40 7. 26 82 v2 [ he pex ] 1 2 Ju l 2 01 4
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