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M.Calfayan, P.Calvet, S.Cammin, J.Carrera, E.Carvalho, W.Casey, B. C.K.Castilla-Valdez, H.Cerminara, G.Chakrabarti, S.Chakraborty, D.Chan, K. M.Chandra, A.Cheu, E.Chevallier, F.Cho, D. K.Choi, S.Choudhary, B.Christofek, L.Christoudias, T.Cihangir, S.Claes, D.Clutter, J.Cooke, M.Cooper, W. E.Corcoran, M.Couderc, F.Cousinou, M. C.Crépé-Renaudin, S.Cuplov, V.Cutts, D.Ćwiok, M.Da Motta, H.Das, A.Davies, G.De, K.De Jong, S. J.De La Cruz-Burelo, E.De Oliveira Martins, C.Devaughan, K.Degenhardt, J. D.Déliot, F.Demarteau, M.Demina, R.Denisov, D.Denisov, S. P.Desai, S.Diehl, H. T.Diesburg, M.Dominguez, A.Dong, H.Dorland, T.Dubey, A.Dudko, L. V.Duflot, L.Dugad, S. R.Duggan, D.Duperrin, A.Dyer, J.Dyshkant, A.Eads, M.Edmunds, D.Ellison, J.Elvira, V. D.Enari, Y.Eno, S.Ermolov, P.Evans, H.Evdokimov, A.Evdokimov, V. N.Facini, G.Ferapontov, A. V.Ferbel, T.Fiedler, F.Filthaut, F.Fisher, W.Fisk, H. E.Fortner, M.Fox, H.Fu, S.Fuess, S.Gadfort, T.Galea, C. F.Garcia, C.Garcia-Bellido, A.Gavrilov, V.Gay, P.Geist, W.Geng, W.Gerber, C. E.Gershtein, Y.Gillberg, D.Ginther, G.Gollub, N.Gómez, B.Goussiou, A.Grannis, P. D.Greenlee, H.Greenwood, Z. D.Gregores, E. M.Grenier, G.Gris, Ph.Grivaz, J. F.Grohsjean, A.Grünendahl, S.Grünewald, M. W.Guo, F.Guo, J.Gutierrez, G.Gutierrez, P.Haas, A.Hadley, N. J.Haefner, P.Hagopian, S.Haley, J.Hall, I.Hall, R. E.Han, L.Harder, K.Harel, A.Hauptman, J. M.Hays, J.Hebbeker, T.Hedin, D.Hegeman, J. G.Heinson, A. P.Heintz, U.Hensel, C.Herner, K.Hesketh, G.Hildreth, M. D.Hirosky, R.Hobbs, J. D.Hoeneisen, B.Hoeth, H.Hohlfeld, M.Hossain, S.Houben, P.Hu, Y.Hubacek, Z.Hynek, V.Iashvili, I.Illingworth, R.Ito, A. S.Jabeen, S.Jaffré, M.Jain, S.Jakobs, K.Jarvis, C.Jesik, R.Johns, K.Johnson, C.Johnson, M.Johnston, D.Jonckheere, A.Jonsson, P.Juste, A.Kajfasz, E.Kalk, J. M.Karmanov, D.Kasper, P. A.Katsanos, I.Kau, D.Kaushik, V.Kehoe, R.Kermiche, S.Khalatyan, N.Khanov, A.Kharchilava, A.Kharzheev, Y. M.Khatidze, D.Kim, T. J.Kirby, M. H.Kirsch, M.Klima, B.Kohli, J. M.Konrath, J. P.Kozelov, A. V.Kraus, J.Kuhl, T.Kumar, A.Kupco, A.Kurča, T.Kuzmin, V. A.Kvita, J.Lacroix, F.Lam, D.Lammers, S.Landsberg, G.Lebrun, P.Lee, W. M.Leflat, A.Lellouch, J.Li, J.Li, L.Li, Q. Z.Lietti, S. M. [UNESP]Lim, J. K.Lima, J. G.R.Lincoln, D.Linnemann, J.Lipaev, V. V.Lipton, R.Liu, Y.Liu, Z.Lobodenko, A.Lokajicek, M.Love, P.Lubatti, H. J.Luna, R.Lyon, A. L.MacIel, A. K.A.MacKin, D.Madaras, R. J.Mättig, P.Magass, C.Magerkurth, A.Mal, P. K.Malbouisson, H. B.Malik, S.Malyshev, V. L.Maravin, Y.Martin, B.McCarthy, R.Melnitchouk, A.Mendoza, L.Mercadante, P. G. [UNESP]Merkin, M.Merritt, K. W.Meyer, A.Meyer, J.Mitrevski, J.Mommsen, R. K.Mondal, N. K.Moore, R. W.Moulik, T.Muanza, G. S.Mulhearn, M.Mundal, O.Mundim, L.Nagy, E.Naimuddin, M.Narain, M.Naumann, N. A.Neal, H. A.Negret, J. P.Neustroev, P.Nilsen, H.Nogima, H.Novaes, S. F. [UNESP]Nunnemann, T.O'Dell, V.O'Neil, D. C.Obrant, G.Ochando, C.Onoprienko, D.Oshima, N.Osman, N.Osta, J.Otec, R.Otero Y Garzón, G. J.Owen, M.Padley, P.Pangilinan, M.Parashar, N.Park, S. J.Park, S. K.Parsons, J.Partridge, R.Parua, N.Patwa, A.Pawloski, G.Penning, B.Perfilov, M.Peters, K.Peters, Y.Pétroff, P.Petteni, M.Piegaia, R.Piper, J.Pleier, M. A.Podesta-Lerma, P. L.M.Podstavkov, V. M.Pogorelov, Y.Pol, M. E.Polozov, P.Pope, B. G.Popov, A. V.Potter, C.Prado Da Silva, W. L.Prosper, H. B.Protopopescu, S.Qian, J.Quadt, A.Quinn, B.Rakitine, A.Rangel, M. S.Ranjan, K.Ratoff, P. N.Razumov, I.Renkel, P.Rich, P.Rieger, J.Rijssenbeek, M.Ripp-Baudot, I.Rizatdinova, F.Robinson, S.Rodrigues, R. F.Rominsky, M.Royon, C.Rubinov, P.Ruchti, R.Safronov, G.Sajot, G.Sánchez-Hernández, A.Sanders, M. P.Sanghi, B.Savage, G.Sawyer, L.Scanlon, T.Schaile, D.Schamberger, R. D.Scheglov, Y.Schellman, H.Schliephake, T.Schlobohm, S.Schwanenberger, C.Schwartzman, A.Schwienhorst, R.Sekaric, J.Severini, H.Shabalina, E.Shamim, M.Shary, V.Shchukin, A. A.Shivpuri, R. K.Siccardi, V.Simak, V.Sirotenko, V.Skubic, P.Slattery, P.Smirnov, D.Snow, G. R.Snow, J.Snyder, S.Söldner-Rembold, S.Sonnenschein, L.Sopczak, A.Sosebee, M.Soustruznik, K.Spurlock, B.Stark, J.Steele, J.Stolin, V.Stoyanova, D. A.Strandberg, J.Strandberg, S.Strang, M. A.Strauss, E.Strauss, M.Ströhmer, R.Strom, D.Stutte, L.Sumowidagdo, S.Svoisky, P.Sznajder, A.Tamburello, P.Tanasijczuk, A.Taylor, W.Tiller, B.Tissandier, F.Titov, M.Tokmenin, V. V.Torchiani, I.Tsybychev, D.Tuchming, B.Tully, C.Tuts, P. M.Unalan, R.Uvarov, L.Uvarov, S.Uzunyan, S.Vachon, B.Van Den Berg, P. J.Van Kooten, R.Van Leeuwen, W. M.Varelas, N.Varnes, E. W.Vasilyev, I. A.Verdier, P.Vertogradov, L. S.Verzocchi, M.Vilanova, D.Villeneuve-Seguier, F.Vint, P.Vokac, P.Voutilainen, M.Wagner, R.Wahl, H. D.Wang, M. H.L.S.Warchol, J.Watts, G.Wayne, M.Weber, G.Weber, M.Welty-Rieger, L.Wenger, A.Wermes, N.Wetstein, M.White, A.Wicke, D.Williams, M.Wilson, G. W.Wimpenny, S. J.Wobisch, M.Wood, D. R.Wyatt, T. R.Xie, Y.Yacoob, S.Yamada, R.Yang, W. C.Yasuda, T.Yatsunenko, Y. A.Yin, H.Yip, K.Yoo, H. D.Youn, S. W.Yu, J.Zeitnitz, C.Zelitch, S.Zhao, T.Zhou, B.Zhu, J.Zielinski, M.Zieminska, D.Zieminski, A.Zivkovic, L.Zutshi, V.Zverev, E. G.2022-04-282022-04-282008-10-23Physical Review Letters, v. 101, n. 17, 2008.1079-71140031-9007http://hdl.handle.net/11449/225316We present an observation for ZZ→l+l-l′+l′- (l, l′=e or μ) production in pp̄ collisions at a center-of-mass energy of s=1.96TeV. Using 1.7fb-1 of data collected by the D0 experiment at the Fermilab Tevatron Collider, we observe three candidate events with an expected background of 0.14-0.02+0.03 events. The significance of this observation is 5.3 standard deviations. The combination of D0 results in this channel, as well as in ZZ→l+l-νν̄, yields a significance of 5.7 standard deviations and a combined cross section of σ(ZZ)=1.60±0.63(stat)-0.17+0.16(syst) pb. © 2008 The American Physical Society.engArtigo10.1103/PhysRevLett.101.1718032-s2.0-55149084833