Combination of CDF and D0 results on the mass of the top quark using up $9.7{\mathrm{fb}}^{-1}$ at the Tevatron

Abstract

We summarize the current top quark mass ($m_t$) measurements from the CDF and D0 experiments at Fermilab. We combine published results from Run I (1992--1996) with the most precise published and preliminary Run II (2001--2011) measurements based on $p\bar{p}$ data corresponding to up to $9.7{\mathrm{fb}}^{-1}$ of $p\bar{p}$ collisions. Taking correlations of uncertainties into account, and combining the statistical and systematic contributions in quadrature, the preliminary Tevatron average mass value for the top quark is $m_t=174.30\pm 0.65\mathrm{GeV}/c^2$, corresponding to a relative precision of $0.37\%$

20 pages, 4 figures

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