Measurement of the $W W$ production cross section in $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV
Phys.Rev.Lett. 94 (2005) 151801, 2005.
The collaboration

Abstract (data abstract)
Fermilab-Tevatron. Measurement of the cross section for W boson pair production in PBAR P collisions at a centre-of-mass energy of 1.96 TeV. The data correspond to an integrated luminosity of 224 to 252 pb-1 collected in Run II.