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Measurement of the p anti-p ---> t anti-t production cross- section and the top quark mass at s**(1/2) = 1.96-TeV in the all-hadronic decay mode

Journal Article · · Phys.Rev.D76:072009,2007
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We report the measurements of the t{bar t} production cross section and of the top quark mass using 1.02 fb{sup -1} of p{bar p} 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 {sigma}{sub t{bar t}} = 8.3 {+-} 1.0(stat. ){sup +2.0}{sub -1.5}(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/c{sup 2} is derived from a likelihood fit incorporating reconstructed mass distributions representative of signal and background.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-07CH11359
OSTI ID:
919095
Report Number(s):
FERMILAB-PUB-07-316-E; arXiv eprint number arXiv:0706.3790
Journal Information:
Phys.Rev.D76:072009,2007, Journal Name: Phys.Rev.D76:072009,2007 Vol. 76; ISSN PRVDAQ; ISSN 0556-2821
Country of Publication:
United States
Language:
English

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CROSS SECTIONS
DECAY
Experiment-HEP
FERMILAB COLLIDER DETECTOR
FERMILAB TEVATRON
HADRONIC PARTICLE DECAY
MASS DISTRIBUTION
NEURAL NETWORKS
PRODUCTION
STANDARD MODEL
T QUARKS