Measurements of the top-quark mass using charged particle tracking
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 l...
Main Authors: | , , , , , , , , , |
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Other Authors: | , |
Format: | Article |
Language: | English |
Published: |
American Physical Society,
2010-07-12T16:59:26Z.
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Subjects: | |
Online Access: | Get fulltext |
Summary: | 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]. United States. Dept. of Energy National Science Foundation Istituto Nazionale di Fisica Nucleare of Italy Ministry of Education, Culture, Sports, Science and Technology of Japan Natural Sciences and Engineering Research Council of Canada National Science Council of the Republic of China Swiss National Science Foundation Alfred P. Sloan Foundation Bundesministerium für Bildung und Forschung, Germany Korean Science and Engineering Foundation Korean Research Foundation Science and Technology Facilities Council, United Kingdom Royal Society, United Kingdom Institut National de Physique Nucleaire et Physique des Particules/CNRS Russian Foundation for Basic Research MEC (Spain) Slovak R&D Agency Academy of Finland |
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