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Measurements of the top-quark mass using charged particle tracking

Author(s)
Choudalakis, Georgios; Gomez-Ceballos, Guillelmo; Hahn, Kristian Allan; Henderson, C.; Knuteson, Bruce O.; Paus, Christoph M. E.; Xie, Si; Bauer, Gerry P; Goncharov, Maxim; Makhoul, Khaldoun; ... Show more Show less
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Abstract
We present three measurements of the top-quark mass in the lepton plus jets channel with approximately 1.9  fb[superscript -1] of integrated luminosity collected with the CDF II detector using quantities with minimal dependence on the jet energy scale. One measurement exploits the transverse decay length of b-tagged jets to determine a top-quark mass of 166.9[subscript -8.5][superscript +9.5](stat)±2.9(syst)  GeV/c[superscript 2], and another the transverse momentum of electrons and muons from W-boson decays to determine a top-quark mass of 173.5[subscript --8.9][superscript +8.8](stat)±3.8(syst)  GeV/c[superscript 2]. These quantities are combined in a third, simultaneous mass measurement to determine a top-quark mass of 170.7±6.3(stat)±2.6(syst) GeV/c[superscript 2].
Date issued
2010-02
URI
http://hdl.handle.net/1721.1/56259
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
CDF Collaboration et al. “Measurements of the top-quark mass using charged particle tracking.” Physical Review D 81.3 (2010): 032002. © 2010 The American Physical Society
Version: Final published version
ISSN
1550-7998
1550-2368

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