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Top-Quark Mass Measurement Using Events with Missing Transverse Energy and Jets at CDF

Author(s)
Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Paus, Christoph M. E.; Bauer, Gerry P; Makhoul, Khaldoun
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Abstract
We present a measurement of the top-quark mass using a sample of tt̅ events in 5.7  fb[superscript -1] of integrated luminosity from pp̅ collisions at the Fermilab Tevatron with √s=1.96  TeV and collected by the CDF II Detector. We select events having large missing transverse energy, and four, five, or six jets with at least one jet tagged as coming from a b quark, and reject events with identified charged leptons. This analysis considers events from the semileptonic tt̅ decay channel, including events that contain tau leptons. The measurement is based on a multidimensional template method. We fit the data to signal templates of varying top-quark masses and background templates, and measure a top-quark mass of M[subscript top]=172.32±2.4(stat)±1.0(syst)  GeV/c[superscript 2].
Date issued
2011-11
URI
http://hdl.handle.net/1721.1/69208
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society (APS)
Citation
Aaltonen, T. et al. “Top-Quark Mass Measurement Using Events with Missing Transverse Energy and Jets at CDF.” Physical Review Letters 107.23 (2011): n. pag. Web. 24 Feb. 2012. © 2011 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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