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    Measurement of the W+W Production Cross Section and Search for Anomalous WWγ and WWZ Couplings in pp¯ Collisions at s=1.96TeV

    T. Aaltonen25, J. Adelman15, B. Álvarez González13,w, S. Amerio45,46, D. Amidei36, A. Anastassov40, A. Annovi21, J. Antos16, G. Apollinari19 et al. (CDF Collaboration)

    G. Apollinari19, A. Apresyan54, T. Arisawa65, A. Artikov17, J. Asaadi60, W. Ashmanskas19, A. Attal4, A. Aurisano60, F. Azfar44, W. Badgett19, A. Barbaro-Galtieri30, V. E. Barnes54, B. A. Barnett27, P. Barria51,49, P. Bartos16, G. Bauer34, P.-H. Beauchemin35, F. Bedeschi49, D. Beecher32, S. Behari27, G. Bellettini50,49, J. Bellinger67, D. Benjamin18, A. Beretvas19, A. Bhatti56, M. Binkley19, D. Bisello46,45, I. Bizjak32,dd, R. E. Blair2, C. Blocker8, B. Blumenfeld27, A. Bocci18, A. Bodek55, V. Boisvert55, D. Bortoletto54, J. Boudreau53, A. Boveia12, B. Brau12,b, A. Bridgeman26, L. Brigliadori7,6, C. Bromberg37, E. Brubaker15, J. Budagov17, H. S. Budd55, S. Budd26, K. Burkett19, G. Busetto46,45, P. Bussey23, A. Buzatu35, K. L. Byrum2, S. Cabrera18,y, C. Calancha33, S. Camarda4, M. Campanelli37, M. Campbell36, F. Canelli15,19, A. Canepa48, B. Carls26, D. Carlsmith67, R. Carosi49, S. Carrillo20,o, S. Carron19, B. Casal13, M. Casarsa19, A. Castro7,6, P. Catastini50,49, D. Cauz61, V. Cavaliere50,49, M. Cavalli-Sforza4, A. Cerri30, L. Cerrito32,r, S. H. Chang29, Y. C. Chen1, M. Chertok9, G. Chiarelli49, G. Chlachidze19, F. Chlebana19, K. Cho29, D. Chokheli17, J. P. Chou24, K. Chung19,p, W. H. Chung67, Y. S. Chung55, T. Chwalek28, C. I. Ciobanu47, M. A. Ciocci51,49, A. Clark22, D. Clark8, G. Compostella45, M. E. Convery19, J. Conway9, M. Corbo47, M. Cordelli21, C. A. Cox9, D. J. Cox9, F. Crescioli50,49, C. Cuenca Almenar68, J. Cuevas13,w, R. Culbertson19, J. C. Cully36, D. Dagenhart19, M. Datta19, T. Davies23, P. de Barbaro55, S. De Cecco57, A. Deisher30, G. De Lorenzo4, M. Dell’Orso50,49, C. Deluca4, L. Demortier56, J. Deng18,g, M. Deninno6, M. d’Errico46,45, A. Di Canto50,49, G. P. di Giovanni47, B. Di Ruzza49, J. R. Dittmann5, M. D’Onofrio4, S. Donati50,49, P. Dong19, T. Dorigo45, S. Dube59, K. Ebina65, A. Elagin60, R. Erbacher9, D. Errede26, S. Errede26, N. Ershaidat47,cc, R. Eusebi60, H. C. Fang30, S. Farrington44, W. T. Fedorko15, R. G. Feild68, M. Feindt28, J. P. Fernandez33, C. Ferrazza52,49, R. Field20, G. Flanagan54,t, R. Forrest9, M. J. Frank5, M. Franklin24, J. C. Freeman19, I. Furic20, M. Gallinaro56, J. Galyardt14, F. Garberson12, J. E. Garcia22, A. F. Garfinkel54, P. Garosi51,49, H. Gerberich26, D. Gerdes36, A. Gessler28, S. Giagu58,57, V. Giakoumopoulou3, P. Giannetti49, K. Gibson53, J. L. Gimmell55, C. M. Ginsburg19, N. Giokaris3, M. Giordani62,61, P. Giromini21, M. Giunta49, G. Giurgiu27, V. Glagolev17, D. Glenzinski19, M. Gold39, N. Goldschmidt20, A. Golossanov19, G. Gomez13, G. Gomez-Ceballos34, M. Goncharov34, O. González33, I. Gorelov39, A. T. Goshaw18, K. Goulianos56, A. Gresele46,45, S. Grinstein4, C. Grosso-Pilcher15, R. C. Group19, U. Grundler26, J. Guimaraes da Costa24, Z. Gunay-Unalan37, C. Haber30, S. R. Hahn19, E. Halkiadakis59, B.-Y. Han55, J. Y. Han55, F. Happacher21, K. Hara63, D. Hare59, M. Hare64, R. F. Harr66, M. Hartz53, K. Hatakeyama5, C. Hays44, M. Heck28, J. Heinrich48, M. Herndon67, J. Heuser28, S. Hewamanage5, D. Hidas59, C. S. Hill12,d, D. Hirschbuehl28, A. Hocker19, S. Hou1, M. Houlden31, S.-C. Hsu30, R. E. Hughes41, M. Hurwitz15, U. Husemann68, M. Hussein37, J. Huston37, J. Incandela12, G. Introzzi49, M. Iori58,57, A. Ivanov9,q, E. James19, D. Jang14, B. Jayatilaka18, E. J. Jeon29, M. K. Jha6, S. Jindariani19, W. Johnson9, M. Jones54, K. K. Joo29, S. Y. Jun14, J. E. Jung29, T. R. Junk19, T. Kamon60, D. Kar20, P. E. Karchin66, Y. Kato43,n, R. Kephart19, W. Ketchum15, J. Keung48, V. Khotilovich60, B. Kilminster19, D. H. Kim29, H. S. Kim29, H. W. Kim29, J. E. Kim29, M. J. Kim21, S. B. Kim29, S. H. Kim63, Y. K. Kim15, N. Kimura65, L. Kirsch8, S. Klimenko20, K. Kondo65, D. J. Kong29, J. Konigsberg20, A. Korytov20, A. V. Kotwal18, M. Kreps28, J. Kroll48, D. Krop15, N. Krumnack5, M. Kruse18, V. Krutelyov12, T. Kuhr28, N. P. Kulkarni66, M. Kurata63, S. Kwang15, A. T. Laasanen54, S. Lami49, S. Lammel19, M. Lancaster32, R. L. Lander9, K. Lannon41,v, A. Lath59, G. Latino51,49, I. Lazzizzera46,45, T. LeCompte2, E. Lee60, H. S. Lee15, J. S. Lee29, S. W. Lee60,x, S. Leone49, J. D. Lewis19, C.-J. Lin30, J. Linacre44, M. Lindgren19, E. Lipeles48, A. Lister22, D. O. Litvintsev19, C. Liu53, T. Liu19, N. S. Lockyer48, A. Loginov68, L. Lovas16, D. Lucchesi46,45, J. Lueck28, P. Lujan30, P. Lukens19, G. Lungu56, J. Lys30, R. Lysak16, D. MacQueen35, R. Madrak19, K. Maeshima19, K. Makhoul34, P. Maksimovic27, S. Malde44, S. Malik32, G. Manca31,f, A. Manousakis-Katsikakis3, F. Margaroli54, C. Marino28, C. P. Marino26, A. Martin68, V. Martin23,l, M. Martínez4, R. Martínez-Ballarín33, P. Mastrandrea57, M. Mathis27, M. E. Mattson66, P. Mazzanti6, K. S. McFarland55, P. McIntyre60, R. McNulty31,k, A. Mehta31, P. Mehtala25, A. Menzione49, C. Mesropian56, T. Miao19, D. Mietlicki36, N. Miladinovic8, R. Miller37, C. Mills24, M. Milnik28, A. Mitra1, G. Mitselmakher20, H. Miyake63, S. Moed24, N. Moggi6, M. N. Mondragon19,r, C. S. Moon29, R. Moore19, M. J. Morello49, J. Morlock28, P. Movilla Fernandez19, J. Mülmenstädt30, A. Mukherjee19, Th. Muller28, P. Murat19, M. Mussini7,6, J. Nachtman19,p, Y. Nagai63, J. Naganoma63, K. Nakamura63, I. Nakano42, A. Napier64, J. Nett67, C. Neu48,aa, M. S. Neubauer26, S. Neubauer28, J. Nielsen30,h, L. Nodulman2, M. Norman11, O. Norniella26, E. Nurse32, L. Oakes44, S. H. Oh18, Y. D. Oh29, I. Oksuzian20, T. Okusawa43, R. Orava25, K. Osterberg25, S. Pagan Griso46,45, C. Pagliarone61, E. Palencia19, V. Papadimitriou19, A. Papaikonomou28, A. A. Paramanov2, B. Parks41, S. Pashapour35, J. Patrick19, G. Pauletta62,61, M. Paulini14, C. Paus34, T. Peiffer28, D. E. Pellett9, A. Penzo61, T. J. Phillips18, G. Piacentino49, E. Pianori48, L. Pinera20, K. Pitts26, C. Plager10, L. Pondrom67, K. Potamianos54, O. Poukhov17,a, F. Prokoshin17,z, A. Pronko19, F. Ptohos19,j, E. Pueschel14, G. Punzi50,49, J. Pursley67, J. Rademacker44,d, A. Rahaman53, V. Ramakrishnan67, N. Ranjan54, I. Redondo33, P. Renton44, M. Renz28, M. Rescigno57, S. Richter28, F. Rimondi7,6, L. Ristori49, A. Robson23, T. Rodrigo13, T. Rodriguez48, E. Rogers26, S. Rolli64, R. Roser19, M. Rossi61, R. Rossin12, P. Roy35, A. Ruiz13, J. Russ14, V. Rusu19, B. Rutherford19, H. Saarikko25, A. Safonov60, W. K. Sakumoto55, L. Santi62,61, L. Sartori49, K. Sato63, A. Savoy-Navarro47, P. Schlabach19, A. Schmidt28, E. E. Schmidt19, M. A. Schmidt15, M. P. Schmidt68,a, M. Schmitt40, T. Schwarz9, L. Scodellaro13, A. Scribano51,49, F. Scuri49, A. Sedov54, S. Seidel39, Y. Seiya43, A. Semenov17, L. Sexton-Kennedy19, F. Sforza50,49, A. Sfyrla26, S. Z. Shalhout66, T. Shears31, P. F. Shepard53, M. Shimojima63,u, S. Shiraishi15, M. Shochet15, Y. Shon67, I. Shreyber38, A. Simonenko17, P. Sinervo35, A. Sisakyan17, A. J. Slaughter19, J. Slaunwhite41, K. Sliwa64, J. R. Smith9, F. D. Snider19, R. Snihur35, A. Soha19, S. Somalwar59, V. Sorin4, P. Squillacioti51,49, M. Stanitzki68, R. St. Denis23, B. Stelzer35, O. Stelzer-Chilton35, D. Stentz40, J. Strologas39, G. L. Strycker36, J. S. Suh29, A. Sukhanov20, I. Suslov17, A. Taffard26,g, R. Takashima42, Y. Takeuchi63, R. Tanaka42, J. Tang15, M. Tecchio36, P. K. Teng1, J. Thom19,i, J. Thome14, G. A. Thompson26, E. Thomson48, P. Tipton68, P. Ttito-Guzmán33, S. Tkaczyk19, D. Toback60, S. Tokar16, K. Tollefson37, T. Tomura63, D. Tonelli19, S. Torre21, D. Torretta19, P. Totaro62,61, S. Tourneur47, M. Trovato52,49, S.-Y. Tsai1, Y. Tu48, N. Turini51,49, F. Ukegawa63, S. Uozumi29, R. Vanguri48, N. van Remortel25,c, A. Varganov36, E. Vataga52,49, F. Vázquez20,o, G. Velev19, C. Vellidis3, M. Vidal33, I. Vila13, R. Vilar13, M. Vogel39, I. Volobouev30,x, G. Volpi50,49, P. Wagner48, R. G. Wagner2, R. L. Wagner19, W. Wagner28,bb, J. Wagner-Kuhr28, T. Wakisaka43, R. Wallny10, S. M. Wang1, A. Warburton35, D. Waters32, M. Weinberger60, J. Weinelt28, W. C. Wester, III19, B. Whitehouse64, D. Whiteson48,g, A. B. Wicklund2, E. Wicklund19, S. Wilbur15, G. Williams35, H. H. Williams48, P. Wilson19, B. L. Winer41, P. Wittich19,i, S. Wolbers19, C. Wolfe15, H. Wolfe41, T. Wright36, X. Wu22, F. Würthwein11, A. Yagil11, K. Yamamoto43, J. Yamaoka18, U. K. Yang15,s, Y. C. Yang29, W. M. Yao30, G. P. Yeh19, K. Yi19,p, J. Yoh19, K. Yorita65, T. Yoshida43,m, G. B. Yu18, I. Yu29, S. S. Yu19, J. C. Yun19, A. Zanetti61, Y. Zeng18, X. Zhang26, Y. Zheng10,e, and S. Zucchelli7,6 (CDF Collaboration)

    • 1Institute of Physics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
    • 2Argonne National Laboratory, Argonne, Illinois 60439, USA
    • 3University of Athens, 157 71 Athens, Greece
    • 4Institut de Fisica d’Altes Energies, Universitat Autonoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain
    • 5Baylor University, Waco, Texas 76798, USA
    • 6Istituto Nazionale di Fisica Nucleare Bologna, I-40127 Bologna, Italy
    • 7University of Bologna, I-40127 Bologna, Italy
    • 8Brandeis University, Waltham, Massachusetts 02254, USA
    • 9University of California, Davis, Davis, California 95616, USA
    • 10University of California, Los Angeles, Los Angeles, California 90024, USA
    • 11University of California, San Diego, La Jolla, California 92093, USA
    • 12University of California, Santa Barbara, Santa Barbara, California 93106, USA
    • 13Instituto de Fisica de Cantabria, CSIC-University of Cantabria, 39005 Santander, Spain
    • 14Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
    • 15Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
    • 16Comenius University, 842 48 Bratislava, Slovakia; Institute of Experimental Physics, 040 01 Kosice, Slovakia
    • 17Joint Institute for Nuclear Research, RU-141980 Dubna, Russia
    • 18Duke University, Durham, North Carolina 27708, USA
    • 19Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
    • 20University of Florida, Gainesville, Florida 32611, USA
    • 21Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy
    • 22University of Geneva, CH-1211 Geneva 4, Switzerland
    • 23Glasgow University, Glasgow G12 8QQ, United Kingdom
    • 24Harvard University, Cambridge, Massachusetts 02138, USA
    • 25Division of High Energy Physics, Department of Physics, University of Helsinki and Helsinki Institute of Physics, FIN-00014, Helsinki, Finland
    • 26University of Illinois, Urbana, Illinois 61801, USA
    • 27The Johns Hopkins University, Baltimore, Maryland 21218, USA
    • 28Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany
    • 29Center for High Energy Physics: Kyungpook National University, Daegu 702-701, Korea; Seoul National University, Seoul 151-742, Korea; Sungkyunkwan University, Suwon 440-746, Korea; Korea Institute of Science and Technology Information, Daejeon 305-806, Korea; Chonnam National University, Gwangju 500-757, Korea; Chonbuk National University, Jeonju 561-756, Korea
    • 30Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
    • 31University of Liverpool, Liverpool L69 7ZE, United Kingdom
    • 32University College London, London WC1E 6BT, United Kingdom
    • 33Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, E-28040 Madrid, Spain
    • 34Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    • 35Institute of Particle Physics: McGill University, Montréal, Québec, Canada H3A 2T8; Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6; University of Toronto, Toronto, Ontario, Canada M5S 1A7; and TRIUMF, Vancouver, British Columbia, Canada V6T 2A3
    • 36University of Michigan, Ann Arbor, Michigan 48109, USA
    • 37Michigan State University, East Lansing, Michigan 48824, USA
    • 38Institution for Theoretical and Experimental Physics, ITEP, Moscow 117259, Russia
    • 39University of New Mexico, Albuquerque, New Mexico 87131, USA
    • 40Northwestern University, Evanston, Illinois 60208, USA
    • 41The Ohio State University, Columbus, Ohio 43210, USA
    • 42Okayama University, Okayama 700-8530, Japan
    • 43Osaka City University, Osaka 588, Japan
    • 44University of Oxford, Oxford OX1 3RH, United Kingdom
    • 45Istituto Nazionale di Fisica Nucleare, Sezione di Padova-Trento, I-35131 Padova, Italy
    • 46University of Padova, I-35131 Padova, Italy
    • 47LPNHE, Universite Pierre et Marie Curie/IN2P3-CNRS, UMR7585, Paris, F-75252 France
    • 48University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    • 49Istituto Nazionale di Fisica Nucleare Pisa, I-56127 Pisa, Italy
    • 50University of Pisa, I-56127 Pisa, Italy
    • 51University of Siena, I-56127 Pisa, Italy
    • 52Scuola Normale Superiore, I-56127 Pisa, Italy
    • 53University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
    • 54Purdue University, West Lafayette, Indiana 47907, USA
    • 55University of Rochester, Rochester, New York 14627, USA
    • 56The Rockefeller University, New York, New York 10021, USA
    • 57Istituto Nazionale di Fisica Nucleare, Sezione di Roma 1, I-00185 Roma, Italy
    • 58Sapienza Università di Roma, I-00185 Roma, Italy
    • 59Rutgers University, Piscataway, New Jersey 08855, USA
    • 60Texas A&M University, College Station, Texas 77843, USA
    • 61Istituto Nazionale di Fisica Nucleare Trieste/Udine, I-34100 Trieste, I-33100 Udine, Italy
    • 62University of Trieste/Udine, I-33100 Udine, Italy
    • 63University of Tsukuba, Tsukuba, Ibaraki 305, Japan
    • 64Tufts University, Medford, Massachusetts 02155, USA
    • 65Waseda University, Tokyo 169, Japan
    • 66Wayne State University, Detroit, Michigan 48201, USA
    • 67University of Wisconsin, Madison, Wisconsin 53706, USA
    • 68Yale University, New Haven, Connecticut 06520, USA

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    Phys. Rev. Lett. 104, 201801 – Published 17 May, 2010Erratum Phys. Rev. Lett. 105, 019905 (2010)

    DOI: https://doi.org/10.1103/PhysRevLett.104.201801

    Abstract

    This Letter describes the current most precise measurement of the W boson pair production cross section and most sensitive test of anomalous WWγ and WWZ couplings in pp¯ collisions at a center-of-mass energy of 1.96 TeV. The WW candidates are reconstructed from decays containing two charged leptons and two neutrinos. Using data collected by the CDF II detector from 3.6fb1 of integrated luminosity, a total of 654 candidate events are observed with an expected background of 320±47 events. The measured cross section is σ(pp¯W+W+X)=12.1±0.9(stat)1.4+1.6(syst)pb, which is in good agreement with the standard model prediction. The same data sample is used to place constraints on anomalous WWγ and WWZ couplings.

    Corrections

    23 June, 2010

    Erratum

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