Title
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Measurement of the production cross section and the top quark mass at =1.96 TeV in the all-hadronic decay mode
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Author
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Institution/Organisation
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CDF Collaboration
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Abstract
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We report the measurements of the tt̅ production cross section and of the top quark mass using 1.02 fb-1 of pp̅ data collected with the CDF II detector at the Fermilab Tevatron. We select events with six or more jets on which a number of kinematical requirements are imposed by means of a neural network algorithm. At least one of these jets must be identified as initiated by a b-quark candidate by the reconstruction of a secondary vertex. The cross section is measured to be σtt̅ =8.3±1.0(stat)-1.5+2.0(syst)±0.5(lumi) pb, which is consistent with the standard model prediction. The top quark mass of 174.0±2.2(stat)±4.8(syst) GeV/c2 is derived from a likelihood fit incorporating reconstructed mass distributions representative of signal and background. |
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Language
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English
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Source (journal)
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Physical review : D : particles, fields, gravitation, and cosmology / American Physical Society. - Ridge, N.Y., 2004 - 2015
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
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Publication
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Ridge, N.Y.
:
American Physical Society
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2007
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ISSN
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1550-7998
[print]
1550-2368
[online]
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Volume/pages
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76
:7
(2007)
, p. 072009,1-072009,19
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ISI
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000250621200014
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Full text (Publisher's DOI)
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Full text (open access)
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