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M.Chandra, A.Chapin, D.Charles, F.Cheu, E.Chevalier, L.Cho, D. K.Choi, S.Christiansen, T.Christofek, L.Claes, D.Clément, B.Clément, C.Coadou, Y.Cooke, M.Cooper, W. E.Coppage, D.Corcoran, M.Coss, J.Cothenet, A.Cousinou, M. C.Crépé-Renaudin, S.Cristetiu, M.Cummings, M. A.C.Cutts, D.da Motta, H.Davies, B.Davies, G.Davis, G. A.De, K.de Jong, P.de Jong, S. J.de la Cruz-Burelo, E.de Oliveria Martins, C.Dean, S.Déliot, F.Delsart, P. A.Demarteau, M.Demina, R.Demine, P.Denisov, D.Denisov, S. P.Desai, S.Diehl, H. T.Diesburg, M.Doidge, M.Dong, H.Doulas, S.Duflot, L.Dugad, S. R.Duperrin, A.Dyer, J.Dyshkant, A.Eads, M.Edmunds, D.Edwards, T.Ellison, J.Elmsheuser, J.Eltzroth, J. T.Elvira, V. D.Eno, S.Ermolov, P.Eroshin, O. V.Estrada, J.Evans, D.Evans, H.Evdokimov, A.Evdokimov, V. N.Fast, J.Fatakia, S. N.Feligioni, L.Ferbel, T.Fiedler, F.Filthaut, F.Fisher, W.Fisk, H. E.Fortner, M.Fox, H.Freeman, W.Fu, S.Fuess, S.Gadfort, T.Galea, C. F.Gallas, E.Galyaev, E.Garcia, C.Garcia-Bellido, A.Gardner, J.Gavrilov, V.Gay, P.Gelé, D.Gelhaus, R.Genser, K.Gerber, C. E.Gershtein, Y.Ginther, G.Golling, T.Gómez, B.Gounder, K.Goussiou, A.Grannis, P. D.Greder, S.Greenlee, H.Greenwood, Z. D.Gregores, E. M. [UNESP]Gris, Ph.Grivaz, J. F.Groer, L.Grünendahl, S.Grünewald, M. W.Gurzhiev, S. N.Gutierrez, G.Gutierrez, P.Haas, A.Hadley, N. J.Hagopian, S.Hall, I.Hall, R. E.Han, C.Han, L.Hanagaki, K.Harder, K.Harrington, R.Hauptman, J. M.Hauser, R.Hays, J.Hebbeker, T.Hedin, D.Heinmiller, J. M.Heinson, A. P.Heintz, U.Hensel, C.Hesketh, G.Hildreth, M. D.Hirosky, R.Hobbs, J. D.Hoeneisen, B.Hohlfeld, M.Hong, S. J.Hooper, R.Houben, P.Hu, Y.Huang, J.Iashvili, I.Illingworth, R.Ito, A. S.Jabeen, S.Jaffré, M.Jain, S.Jain, V.Jakobs, K.Jenkins, A.Jesik, R.Johns, K.Johnson, M.Jonckheere, A.Jonsson, P.Jöstlein, H.Juste, A.Kado, M. M.Käfer, D.Kahl, W.Kahn, S.Kajfasz, E.Kalinin, A. M.Kalk, J.Karmanov, D.Kasper, J.Kau, D.Kehoe, R.Kermiche, S.Kesisoglou, S.Khanov, A.Kharchilava, A.Kharzheev, Y. M.Kim, K. H.Klima, B.Klute, M.Kohli, J. M.Kopal, M.Korablev, V. M.Kotcher, J.Kothari, B.Koubarovsky, A.Kozelov, A. V.Kozminski, J.Krzywdzinski, S.Kuleshov, S.Kulik, Y.Kunori, S.Kupco, A.Kurča, T.Lager, S.Lahrichi, N.Landsberg, G.Lazoflores, J.Le Bihan, A. C.Lebrun, P.Lee, S. W.Lee, W. M.Leflat, A.Lehner, F.Leonidopoulos, C.Lewis, P.Li, J.Li, Q. Z.Lima, J. G.R.Lincoln, D.Linn, S. L.Linnemann, J.Lipaev, V. V.Lipton, R.Lobo, L.Lobodenko, A.Lokajicek, M.Lounis, A.Lubatti, H. J.Lueking, L.Lynker, M.Lyon, A. L.Maciel, A. K.A.Madaras, R. J.Mättig, P.Magerkurth, A.Magnan, A. M.Makovec, N.Mal, P. K.Malik, S.Malyshev, V. L.Mao, H. S.Maravin, Y.Martens, M.Mattingly, S. E.K.Mayorov, A. A.McCarthy, R.McCroskey, R.Meder, D.Melanson, H. L.Melnitchouk, A.Merkin, M.Merritt, K. W.Meyer, A.Miettinen, H.Mihalcea, D.Mitrevski, J.Mokhov, N.Molina, J.Mondal, N. K.Montgomery, H. E.Moore, R. W.Muanza, G. S.Mulders, M.Mutaf, Y. D.Nagy, E.Narain, M.Naumann, N. A.Neal, H. A.Negret, J. P.Nelson, S.Neustroev, P.Noeding, C.Nomerotski, A.Novaes, S. F. [UNESP]Nunnemann, T.Nurse, E.O'Dell, V.O'Neil, D. C.Oguri, V.Oliveira, N.Oshima, N.Otero y Garzón, G. J.Padley, P.Parashar, N.Park, J.Park, S. K.Parsons, J.Partridge, R.Parua, N.Patwa, A.Perea, P. M.Perez, E.Peters, O.Pétroff, P.Petteni, M.Phaf, L.Piegaia, R.Podesta-Lerma, P. L.M.Podstavkov, V. M.Pogorelov, Y.Pope, B. G.Prado da Silva, W. L.Prosper, H. B.Protopopescu, S.Przybycien, M. B.Qian, J.Quadt, A.Quinn, B.Rani, K. J.Rapidis, P. A.Ratoff, P. N.Reay, N. W.Reucroft, S.Rijssenbeek, M.Ripp-Baudot, I.Rizatdinova, F.Royon, C.Rubinov, P.Ruchti, R.Sajot, G.Sánchez-Hernández, A.Sanders, M. P.Santoro, A.Savage, G.Sawyer, L.Scanlon, T.Schamberger, R. D.Schellman, H.Schieferdecker, P.Schmitt, C.Schukin, A. A.Schwartzman, A.Schwienhorst, R.Sengupta, S.Severini, H.Shabalina, E.Shamim, M.Shary, V.Shephard, W. D.Shpakov, D.Sidwell, R. A.Simak, V.Sirotenko, V.Skubic, P.Slattery, P.Smith, R. P.Smolek, K.Snow, G. R.Snow, J.Snyder, S.Söldner-Rembold, S.Song, X.Song, Y.Sonnenschein, L.Sopczak, A.Sosebee, M.Soustruznik, K.Souza, M.Spurlock, B.Stanton, N. R.Stark, J.Steele, J.Steinbrück, G.Stevenson, K.Stolin, V.Stone, A.Stoyanova, D. A.Strandberg, J.Strang, M. A.Strauss, M.Ströhmer, R.Strovink, M.Stutte, L.Sumowidagdo, S.Sznajder, A.Talby, M.Tamburello, P.Taylor, W.Telford, P.Temple, J.Tentindo-Repond, S.Thomas, E.Thooris, B.Tomoto, M.Toole, T.Torborg, J.Towers, S.Trefzger, T.Trincaz-Duvoid, S.Tuchming, B.Tully, C.Turcot, A. S.Tuts, P. M.Uvarov, L.Uvarov, S.Uzunyan, S.Vachon, B.van Kooten, R.van Leeuwen, W. M.Varelas, N.Varnes, E. W.Vasilyev, I. A.Vaupel, M.Verdier, P.Vertogradov, L. S.Verzocchi, M.Villeneuve-Seguier, F.Vlimant, J. R.von Toerne, E.Vreeswijk, M.Vu Anh, T.Wahl, H. D.Walker, R.Wang, L.Wang, Z. M.Warchol, J.Warsinsky, M.Watts, G.Wayne, M.Weber, M.Weerts, H.Wegner, M.Wermes, N.White, A.White, V.Whiteson, D.Wicke, D.Wijngaarden, D. A.Wilson, G. W.Wimpenny, S. J.Wittlin, J.Wobisch, M.Womersley, J.Wood, D. R.Wyatt, T. R.Xu, Q.Xuan, N.Yamada, R.Yan, M.Yasuda, T.Yatsunenko, Y. A.Yen, Y.Yip, K.Youn, S. W.Yu, J.Yurkewicz, A.Zabi, A.Zatserklyaniy, A.Zdrazil, M.Zeitnitz, C.Zhang, D.Zhang, X.Zhao, T.Zhao, Z.Zhou, B.Zhu, J.Zielinski, M.Zieminska, D.Zieminski, A.Zitoun, R.Zutshi, V.Zverev, E. G.Zylberstejn, A.2022-04-282022-04-282005-04-22Physical Review Letters, v. 94, n. 15, 2005.0031-90071079-7114http://hdl.handle.net/11449/224527We present a measurement of the W boson pair-production cross section in pp̄ collisions at a center-of-mass energy of √s = 1.96 TeV. The data, collected with the Run II D0 detector at Fermilab, correspond to an integrated luminosity of 224-252 pb-1 depending on the final state (ee, eμ, or μμ). We observe 25 candidates with a background expectation of 8.1 ± 0.6(stat) ± 0.6(syst) ± 0.5(1um) events. The probability for an upward fluctuation of the background to produce the observed signal is 2.3 X 10~7, equivalent to 5.2 standard deviations. The measurement yields a cross section of 13.8-3.8+4.3(stat)-0.9 +1.2(syst) ±0,9(1um) pb, in agreement with predictions from the standard model. © 2005 The American Physical Society.engArtigo10.1103/PhysRevLett.94.1518012-s2.0-18244372957