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Title

Combination of the top-quark mass measurements from the Tevatron collider

AuthorsAaltonen, T.; Álvarez González, B.; Casal, Bruno ; Cuevas, Javier ; Gómez-Ceballos, Guillelmo; Palencia, Enrique ; Rodrigo, Teresa ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Vila, Iván ; Vilar, Rocío ; CDF and D0 Collaborations
Issue Date2012
PublisherAmerican Physical Society
CitationPhysical Review D 86: 092003 (2012)
AbstractThe 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 5.8  fb-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±0.94  GeV, which has a precision of ±0.54%, making this the most precise determination of the top-quark mass.
DescriptionAaltonen, T. et al.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.86.092003
URIhttp://hdl.handle.net/10261/108637
DOI10.1103/PhysRevD.86.092003
Identifiersdoi: 10.1103/PhysRevD.86.092003
issn: 1550-7998
e-issn: 1550-2368
Appears in Collections:(IFCA) Artículos
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