Precision measurements of the top quark mass from the Tevatron in the pre-LHC era

Angela Barbaro Galtieri, Fabrizio Margaroli, Igor Volobouev

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations


The top quark is the heaviest of the six quarks of the standard model (SM). Precise knowledge of its mass is important for imposing constraints on a number of physics processes, including interactions of the as yet unobserved Higgs boson. The Higgs boson is the only missing particle of the SM, central to the electroweak symmetry breaking mechanism and generation of particle masses. In this review, experimental measurements of the top quark mass accomplished at the Tevatron, a protonantiproton collider located at the Fermi National Accelerator Laboratory, are described. Topologies of top quark events and the methods used to separate signal events from background sources are discussed. Data analysis techniques used to extract information about the top mass value are reviewed. The combination of several of the most precise measurements performed with the two Tevatron particle detectors, CDF and D, yields a value of M t=173.20.9GeV/c 2.

Original languageEnglish
Article number056201
JournalReports on Progress in Physics
Issue number5
StatePublished - May 2012


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