Measurement of the cross section for $t\bar{t}$ production in $p\bar{p}$ collisions using the kinematics of lepton + jets events - INSPIRE

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Measurement of the cross section for $t\bar{t}$ production in $p\bar{p}$ collisions using the kinematics of lepton + jets events

CDF

Collaboration

Apr, 2005

45 pages

Published in:

Phys.Rev.D 72 (2005) 052003

e-Print:

hep-ex/0504053 [hep-ex]

DOI:

10.1103/PhysRevD.72.052003

PDG:

{{\mathit t}}{{\overline{\mathit t}}}

Production Cross Section in

{{\mathit p}}{{\overline{\mathit p}}}

\sqrt {s }

Report number:

FERMILAB-PUB-05-161-E

Experiments:

FNAL-E-0830

View in:

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Abstract:

We present a measurement of the top pair production cross section in

p\bar{p}

collisions at

\sqrt{s}

=1.96 TeV. We collect a data sample with an integrated luminosity of 194

\pm

11 pb

^{-1}

with the CDF II detector at the Fermilab Tevatron. We use an artificial neural network technique to discriminate between top pair production and background processes in a sample of 519 lepton+jets events, which have one isolated energetic charged lepton, large missing transverse energy and at least three energetic jets. We measure the top pair production cross section to be

\sigma_{t\bar{t}}= 6.6pm 1.1 \pm 1.5

pb, where the first uncertainty is statistical and the second is systematic.

Note:

Published on September 15 in Phys. Rev. D, few minor typo's corrected Journal-ref: Phys. Rev. D 72, 052003 (2005)

13.85.Ni
87.18.Sn
13.85.Qk
14.65.Ha
anti-p p: colliding beams
anti-p p: inclusive reaction
top: pair production
top: decay
final state: ((n)jet lepton)
transverse energy: missing-energy

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