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Measurement of the tanti-t Production Cross Section in p anti-ptnipbar Collisions at s**(1/2) = 1.96-TeV

Journal Article · · Phys.Rev.Lett.97:082004,2006
The authors present a measurement of the top quark pair production cross section in p{bar p} collisions at {radical}s = 1.96 TeV using 318 pb{sup -1} of data collected with the Collider Detector at Fermilab. They select t{bar t} decays into the final states e{nu} + jets and {mu}{nu} + jets, in which at least one b quark from the t-quark decays is identified using a secondary vertex-finding algorithm. Assuming a top quark mass of 178 GeV/c{sup 2}, they measure a cross section of 8.7 {+-} 0.9(stat.){sub -0.9}{sup +1.1}(syst.) pb. They also report the first observation of t{bar t} with significance greater than 5{sigma} in the subsample in which both b quarks are identified, corresponding to a cross section of 10.1{sub -1.4}{sup +1.6}(stat.){sub -1.3}{sup +2.0}(syst.) pb.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-07CH11359
OSTI ID:
897901
Report Number(s):
FERMILAB-PUB-06-164-E; arXiv eprint number hep-ex/0606017
Journal Information:
Phys.Rev.Lett.97:082004,2006, Journal Name: Phys.Rev.Lett.97:082004,2006 Vol. 97; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English