Measurement of the $p \bar{p} \to t \bar{t} + X$ production cross section at $\sqrt{s} = 1.96 TeV$ in the fully hadronic decay channel

Authors:

VAV. M. Abazov
V. M. Abazov
BAB. Abbott
B. Abbott
MAM. Abolins
M. Abolins
BAB. S. Acharya
B. S. Acharya
MAM. Adams
M. Adams
TAT. Adams
T. Adams
EAE. Aguilo
E. Aguilo
SAS. H. Ahn
S. H. Ahn
MAM. Ahsan
M. Ahsan
GAG. D. Alexeev
G. D. Alexeev
GAG. Alkhazov
G. Alkhazov
AAA. Alton
A. Alton

Publisher website

19 October 2007

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 76 (7) , 072007
DOI:10.1103/physrevd.76.072007

Abstract

A measurement of the top quark pair production cross section in proton antiproton collisions at an interaction energy of

\sqrt{s} = 1.96 TeV

is presented. This analysis uses

405 \pm 25 {pb}^{- 1}

of data collected with the D0 detector at the Fermilab Tevatron Collider. Fully hadronic

t \bar{t}

decays with final states of six or more jets are separated from the multijet background using secondary vertex tagging and a neural network. The

t \bar{t}

cross section is measured as

σ_{t \bar{t}} = {4.5}_{- 1.9}^{+ 2.0} (stat)_{- 1.1}^{+ 1.4} (syst) \pm 0.3 (lumi) pb

for a top quark mass of

m_{t} = 175 GeV / c^{2}

.

Keywords

All Related Versions

Version 1, 2006-12-15, ArXiv

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