Measurement of the ZZ production cross section and search for anomalous couplings in 2ℓ2ℓ′ final states in pp collisions at \( \sqrt{s}=7 \) TeV
Serguei Chatrchyan,Robin Erbacher, Camilo Andres Carrillo Montoya,Wagner Carvalho,Maciej Górski,Danek Kotlinski,Jacob Anderson,Balazs Ujvari,Sertac Ozturk,Ayse Polatoz,Young-Il Choi,Roumyana Hadjiiska,Anil Singh,Willard Johns,Ludivine Ceard,Pierre Van Hove,Alberto Orso Maria Iorio,Ulrich Heintz,Alessandro Thea,Thomas Ferbel,Teppo Mäenpää,Jyothsna Rani Komaragiri,Jozsef Molnar,Frank Würthwein, Marina Giunta, Philippe Miné,Dong Liang, Mircho Rodozov,Michael Tytgat, Dooyeon Gyun,Robert Schöfbeck,Luc Pape,James Hirschauer,Andreas Nürnberg,Burak Bilki,Francisco Yumiceva,Mustafa Numan Bakirci,Evrim Ersin Kangal, Clara Jorda, Chiara Rovelli,Daniele Fasanella,Robert Hirosky,Juan Carlos Sanabria,Arnd Meyer,Hans Reithler,Lalit Mohan Pant,Danila Tlisov,Tomas Lindén,Jozsef Palinkas,Giovanna Selvaggi,Attilio Santocchia, Rumen Trayanov,Erhan Gülmez, Shruti Shrestha, Christopher Justus,Anastasios Papageorgiou,Wolfram Dietrich Zeuner,Tiziano Camporesi,Raphael Granier de Cassagnac,Georgios Daskalakis, Rahmat Rahmat, Kai-Yi Kao,Ernesto Migliore,Moacyr Henrique Gomes E Souza,Tilman Rohe,Maria Chamizo Llatas, Marcos Correa Martins Junior,Nicola Cavallo, Anne-Marie Magnan, Antony Adair,Yasser Assran,André Holzner,Ta-Yung Ling,Damien Mercier,Kai-Feng Chen,Matthew Nguyen,David Stickland,Giorgio Apollinari,Ashish Kumar,Marta Felcini,Damir Lelas,Michel Della Negra,Amitabh Lath,Jorge Luis Rodriguez,Paul Lujan,Albert M Sirunyan,Martijn Mulders,Fabrizio Palla,Karl-Heinz Hoffmann,Lorenzo Uplegger,Sunil Bansal,Roberval Walsh, Hannes Schettler, Victor Krychkine,Shoaib Khalid,Kristan Allan Hahn,Piotr Traczyk,Niklas Pietsch, Willi Bertl,Arja Korpela,George Stephans,Alicia Calderon,Thomas Peiffer, Eduardo Luiggi Lopez, Michael Bontenackels,Thomas Kress,Georgia Karapostoli,Fotios Ptochos,Noemi Beni, Marc M Baarmand, Achille Petrilli,Jonathan Hays,Konstantinos Petridis,Mingming Yang,Maria Cepeda, Gregory Habib Hammad, Gil Vander Marcken,John Paul Chou, Mohammed Mahmoud,Peicho Petkov,Natale 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Daubie,Lev Dudko,Mark Turner, Alexander Nikitenko, Gordon Kaussen,Kevin Burkett,Leonard Spiegel, Kachanon Nirunpong,Regina Demina, Arun Kumar,Wuming Luo,David Krofcheck,Timo Peltola, Evan Friis,Marcus Hohlmann,Helen F Heath,Sudha Ahuja, Annik Olbrechts, Caio Lagana,Ivan Heredia-de La Cruz,Grzegorz Wrochna,Steven Wasserbaech,Juliana Whitmore,Aafke Kraan,Dave Winn,Erik Butz,Boris Mangano, Richard Loveless, Alexander Dermenev, Maria Savina,Dezso Horvath, Andres Tiko,Toyoko Orimoto,Raymond Beuselinck, Alex Garabedian,Andrei Gritsan, Rachel Yohay,Thiago Tomei, Riccardo Andrea Manzoni,David Cline,Francesco Fiori, Benjamin Charles Radburn-Smith,Yi Chen,Apostolos Panagiotou,Igor Smirnov,Frank Jm Geurts,Carlos Florez,Mitchell Wayne,Filip Thyssen,Tibor Kurca,Bibhuti Parida,Giancarlo Mantovani, Philip Symonds,Marek Zielinski, Michael Cutajar, Andrew Godshalk, Maryam Zeinali,Kai Yi,Wajid Ali Khan,Turker Karaman, Jae Chul Yun,Alexander Schmidt,Francesco Navarria,Matthias Schröder, Milos 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Bernet,Claire Shepherd-Themistocleous, Giordano Cerizza,Salvatore My,Dong Ho Moon, Ezio Torassa,Athanasios Markou,Chiyoung Jeong,Yves Sirois,Viktor Matveev,Wolfram Erdmann,Vitaliano Ciulli, Daniele Del Re,Francesca Cavallari,Giuseppe Codispoti,Paoti Chang,Wenbo Li,Charles Ray Newsom,Sue Ann Koay,Jacopo Bernardini, Kittikul Kovitanggoon, John Anthony Ellison, Luigi Benussi,Kajari Mazumdar, Andrey Pozdnyakov,Nadeesha Wickramage,Colin Jessop,Anthony Moeller,Matthew Snowball,Vasundhara Chetluru, Vladimir Mossolov,Sungeun Lee, Sergey Evstyukhin,Matthew Searle,Jonatan Piedra Gomez, Krisztian Krajczar,Eike Schlieckau, Marco A Reyes-Santos, Igor Golutvin, Mira Krämer,Juan Pablo Gomez, Nicolas Zaganidis, Chamath Kottachchi Kankanamge Don,Anna Teresa Meneguzzo,Emrah Tiras, Carley De Oliveira Martins,Teresa Rodrigo,Kukka Banzuzi,Tariq Aziz,Frans Meijers, Nicolas Beaupere, Ali Ellithi Kamel,David Toback,Gennady Mesyats,Marcella Diemoz,Brajesh C Choudhary, Altug Ozpineci,Vipin Bhatnagar,Gabriele 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Ryckbosch, Andrew Askew, Vassili Kachanov,Ian Shipsey, Alan James Bell,Alexander Savin,Adish Vartak,Denis Gelé, Lev Uvarov,Hamed Bakhshiansohi, Burton Betchart,Egidio Longo,Laurent Thomas,Kati Lassila-Perini, Franco Simonetto,Yu Fu,Guenter Eckerlin,Isabel Ojalvo,Fabrizio Fabbri, Francesco Costanza,Jordi Duarte Campderros,German Martinez,Silvano Tosi, Matthias Kasemann,Matthew Fisher,Jia Fu Low,Pramod Lamichhane, Pedro Guilherme Ferreira Parracho, Marcello Maggi, Rocio Vilar Cortabitarte,Yee Hsiung,Junghwan Goh, Claudia Seitz,Keith Ulmer,Christian Sander,David Harry Miller,Philippe Bloch,Philip Harris, Yohann Tschudi,Frank Chlebana, Nathaniel Pastika,Marc Besancon,Jonathan Hollar,Stephen Wimpenny, Ahti Karjalainen,Ludmila Sarycheva,Christian Contreras-Campana,Bhawna Gomber, Christoph Nägeli, Kurtis F Johnson, John A Coughlan,Predrag Milenovic, You-Hao Chang, Francesco Pandolfi,Daniele Trocino,Christof Roland
user-5f8cf7e04c775ec6fa691c92（2013）
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摘要
A measurement is presented of the ZZ production cross section in the ZZ → 2l2l′ decay mode with l = e, μ and l′ = e, μ, τ in proton-proton collisions at s√=7 TeV with the CMS experiment at the LHC. Results are based on data corresponding to an integrated luminosity of 5.0 fb^(−1). The measured cross section σ(pp→ZZ)=6.24^(+0.86)_(−0.80)(stat.)^(+0.41)_(−0.32)(syst.)±0.14(lumi.)pb is consistent with the standard model predictions. The following limits on ZZZ and ZZγ anomalous trilinear gauge couplings are set at 95% confidence level: −0.011更多
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关键词
Large Hadron Collider,Standard Model,Boson,Luminosity,Particle physics,Nuclear physics,Gauge (firearms),Physics,Coupling
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