Measurement of the $W^+ W^-$ production cross section in $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV using dilepton events - INSPIRE

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Measurement of the $W^+ W^-$ production cross section in $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV using dilepton events

CDF

Collaboration

Jan, 2005

8 pages

Published in:

Phys.Rev.Lett. 94 (2005) 211801

e-Print:

hep-ex/0501050 [hep-ex]

DOI:

10.1103/PhysRevLett.94.211801

Report number:

FERMILAB-PUB-05-009-E

Experiments:

FNAL-E-0830

View in:

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Abstract:

We present a measurement of the W+W- production cross section using 184/pb of ppbar collisions at a center-of-mass energy of 1.96 TeV collected with the Collider Detector at Fermilab. Using the dilepton decay channel W+W- -> l+l-vvbar, where the charged leptons can be either electrons or muons, we find 17 candidate events compared to an expected background of 5.0+2.2-0.8 events. The resulting W+W- production cross section measurement of sigma(ppbar -> W+W-) = 14.6 +5.8 -5.1 (stat) +1.8 -3.0 (syst) +-0.9 (lum) pb agrees well with the Standard Model expectation.

Note:

8 pages, 2 figures, 2 tables. To be submitted to Physical Review Letters Report-no: FERMILAB-PUB-05-009-E

13.38.Be
14.70.Fm
proton-proton interactions
high-energy elementary particle interactions
W bosons
intermediate boson decay
intermediate boson production
standard model
anti-p p: colliding beams
anti-p p: inclusive reaction

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