Evidence for W+W Production in pp Collisions at √s = 1.8 TeV

F. Abe, H. Akimoto, A. Akopian, M. G. Albrow, S. R. Amendolia, D. Amidei, J. Antos, S. Aota, G. Apollinari, T. Asakawa, W. Ashmanskas, M. Atac, F. Azfar, P. Azzi-Bacchetta, N. Bacchetta, W. Badgett, S. Bagdasarov, M. W. Bailey, J. Bao, P. de BarbaroA. Barbaro-Galtieri, V. E. Barnes, B. A. Barnett, M. Barone, E. Barzi, G. Bauer, T. Baumann, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, D. Benjamin, J. Benlloch, J. Bensinger, D. Benton, A. Beretvas, J. P. Berge, J. Berryhill, S. Bertolucci, B. Bevensee, A. Bhatti, K. Biery, M. Binkley, D. Bisello, R. E. Blair, C. Blocker, A. Bodek, W. Bokhari, D. Cronin-Hennessy, CDF Collaboration

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Abstract

We present results of a search for W+W production through the leptonic decay channel W+W → l+l in vv in pp collisions at √s = 1.8TeV. In a 108pb−1 data sample recorded with the Collider Detector at Fermilab, five W+W candidates are found with an expected standard model background of 1.2±0.3events. The W+W production cross section is measured to beσ(pp → W+W)=10.2−5.1+6.3(stat)±1.6(syst)pb, in agreement with the standard model prediction. Limits on WWγand WWZ anomalous couplings are presented.

Original languageEnglish (US)
Pages (from-to)4536-4540
Number of pages5
JournalPhysical review letters
Volume78
Issue number24
DOIs
StatePublished - 1997

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