Oleg Brandt (U Heidelberg - KIP)
We report a measurement of the mass of the heaviest known standard model particle, the top quark, performed by the D0 experiment at the Fermilab Tevatron Collider. We present the most precise D0 measurement employing the matrix element technique in the lepton+jet channel. For this measurement the full D0 data set corresponding to an integrated luminosity of 9.7 fb^-1 is used. We also discuss top quark mass measurements in the dilepton and alljets channels and an updated D0 top quark mass combination.
et al. D0 Collaboration (Fermi National Accelerator Laboratory)