Cross Section Constrained Top Quark Mass Measurement from Dilepton Events at the Tevatron

Details Cross Section Constrained Top Quark Mass Measurement from Dilepton Events at the Tevatron Cross Section Constrained Top Quark Mass Measurement from Dilepton Events at the Tevatron

2007-10-22

arxiv.org/abs/0710.4037v1

Phys.Rev.Lett.100:062005,2008

Physics

High Energy Physics

High Energy Physics - Experiment

submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.100.062005

We report the first top quark mass measurement that uses a cross section constraint to improve the mass determination. This measurement is made with a dilepton $t\bar{t}$ event sample collected with the CDF II detector. From a data sample corresponding to an integrated luminosity of 1.2 fb$^{-1}$, we measure a top quark mass of $\rm{170.7^{+4.2}_{-3.9}(stat)\pm2.6(syst)}$ $\rm{\pm2.4(theory) GeV/{\it{c}}^{2}}$. The measurement without the cross section constraint results in a top quark mass of $\rm{169.7^{+5.2}_{-4.9}(stat)\pm3.1(syst) GeV/{\it{c}}^{2}}$.

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