Measurement of the $t\bar{t}$ Production Cross Section in $p\bar{p}$ Collisions at $\sqrt{s}$=1.96 TeV in Dilepton Final States
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A. Vartapetian
- Function : Author
I.A. Vasilyev
- Function : Author
M. Vaupel
- Function : Author
L.S. Vertogradov
- Function : Author
M. Verzocchi
- Function : Author
E. von Toerne
- Function : Author
M. Vreeswijk
- Function : Author
H.D. Wahl
- Function : Author
L. Wang
- Function : Author
J. Warchol
- Function : Author
G. Watts
- Function : Author
M. Wayne
- Function : Author
M. Weber
- Function : Author
H. Weerts
- Function : Author
M. Wegner
- Function : Author
N. Wermes
- Function : Author
A. White
- Function : Author
V. White
- Function : Author
D. Wicke
- Function : Author
D.A. Wijngaarden
- Function : Author
G.W. Wilson
- Function : Author
S.J. Wimpenny
- Function : Author
J. Wittlin
- Function : Author
M. Wobisch
- Function : Author
J. Womersley
- Function : Author
D.R. Wood
- Function : Author
T.R. Wyatt
- Function : Author
Q. Xu
- Function : Author
N. Xuan
- Function : Author
S. Yacoob
- Function : Author
R. Yamada
- Function : Author
M. Yan
- Function : Author
T. Yasuda
- Function : Author
Y.A. Yatsunenko
- Function : Author
Y. Yen
- Function : Author
K. Yip
- Function : Author
H.D. Yoo
- Function : Author
S.W. Youn
- Function : Author
J. Yu
- Function : Author
A. Yurkewicz
- Function : Author
A. Zatserklyaniy
- Function : Author
M. Zdrazil
- Function : Author
C. Zeitnitz
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D. Zhang
- Function : Author
X. Zhang
- Function : Author
T. Zhao
- Function : Author
Z. Zhao
- Function : Author
B. Zhou
- Function : Author
J. Zhu
- Function : Author
M. Zielinski
- Function : Author
D. Zieminska
- Function : Author
A. Zieminski
- Function : Author
R. Zitoun
- Function : Author
V. Zutshi
- Function : Author
E.G. Zverev
- Function : Author
Abstract
We present a measurement of the top quark pair $(t\bar{t})$ production cross section in $p\bar{p}$ collisions at a center-of-mass energy of 1.96 TeV using 230 pb$^{-1}$ of data collected by the DO detector at the Fermilab Tevatron Collider. We select events in the dilepton final states $e^+e^-$, $e\mu$ and $\mu\mu$ based on kinematical properties consistent with $t\bar{t}$ events. For a top quark mass of 175 GeV, we measure a top pair production cross section $\sigma_{ t\bar{t}} = 8.6^{+3.2}_{-2.7} (stat) \pm$ 1.1 (syst) $\pm$ 0.6 (lumi) pb, in good agreement with the standard model prediction.