Combination of the top-quark mass measurements from the Tevatron collider
2012 (English)In: Physical Review D, ISSN 1550-7998, Vol. 86, no 9, 092003- p.Article in journal (Refereed) Published
The top quark is the heaviest known elementary particle, with a mass about 40 times larger than the mass of its isospin partner, the bottom quark. It decays almost 100% of the time to a W boson and a bottom quark. Using top-antitop pairs at the Tevatron proton-antiproton collider, the CDF and D0 Collaborations have measured the top quark's mass in different final states for integrated luminosities of up to 5.8fb -1. This paper reports on a combination of these measurements that results in a more precise value of the mass than any individual decay channel can provide. It describes the treatment of the systematic uncertainties and their correlations. The mass value determined is 173.18±0.56(stat)±0.75(syst)GeV or 173.18±0.94GeV, which has a precision of ±0.54%, making this the most precise determination of the top-quark mass.
Place, publisher, year, edition, pages
2012. Vol. 86, no 9, 092003- p.
IdentifiersURN: urn:nbn:se:uu:diva-186273DOI: 10.1103/PhysRevD.86.092003ISI: 000310608800003OAI: oai:DiVA.org:uu-186273DiVA: diva2:572833
CDF and D0 Collaborations for complete list of authors see http://dx.doi.org/10.1103/PhysRevD.86.0920032012-11-292012-11-292012-12-10Bibliographically approved