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Cross-section-constrained top-quark mass measurement from dilepton events at the tevatron

Aaltonen, T; Adelman, J; Akimoto, T; Albrow, MG; Gonzalez, BA; Amerio, S; Amidei, D; ... CDF Collaboration, ; + view all (2008) Cross-section-constrained top-quark mass measurement from dilepton events at the tevatron. PHYS REV LETT , 100 (6) , Article 062005. 10.1103/PhysRevLett.100.062005. Green open access

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Abstract

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 (t) over bar event candidate sample collected with the Collider Detector II at Fermilab. From a data sample corresponding to an integrated luminosity of 1.2 fb(-1), we measure a top-quark mass of 170.7(-3.9)(+4.2)(stat)+/- 2.6(syst)+/- 2.4(theory) GeV/c(2). The measurement without the cross-section constraint is 169.7(-4.9)(+5.2)(stat)+/- 3.1(syst) GeV/c(2).

Type: Article
Title: Cross-section-constrained top-quark mass measurement from dilepton events at the tevatron
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.100.062005
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.100.062005
Language: English
Additional information: © 2008 The American Physical Society
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/131866
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