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Measurement of the W ±Z production cross section and limits on anomalous triple gauge couplings in proton-proton collisions at s=7 TeV with the ATLAS detector

Author
ATLAS collaboration; Aad, G.; Barreiro Alonso, Fernandountranslated; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman Kuguel, Claudia Beatrizuntranslated; Labarga Echeverría, Luis Alfonsountranslated; Lagouri, T.; Llorente Merino, J.; March, Luis; Nebot, Eduardo; Rodier, Stephane; Terrón Cuadrado, Juanuntranslated
Entity
UAM. Departamento de Física Teórica
Publisher
CERN; Elsevier
Date
2012-03-23
Citation
Physics Letters B 709.4-5 (2012): 341-357
ISSN
0370-2693 (print); 1873-2445 (online)
DOI
10.1016/j.physletb.2012.02.053
Funded by
We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; ARTEMIS, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF,MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STF, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA) and in the Tier-2 facilities worldwide
Editor's Version
http://dx.doi.org/10.1016/j.physletb.2012.02.053
Subjects
Física
URI
http://hdl.handle.net/10486/671282
Note
Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAM
Rights
© 2012 CERN

Licencia de Creative Commons
Esta obra está bajo una licencia de Creative Commons Reconocimiento-NoComercial-SinObraDerivada 4.0 Internacional.

Abstract

This Letter presents a measurement of W± Z production in 1.02 fb−1 of pp collision data at √ s = 7 TeV collected by the ATLAS experiment in 2011. Doubly leptonic decay events are selected with electrons, muons and missing transverse momentum in the final state. In total 71 candidates are observed, with a background expectation of 12.1 ± 1.4(stat.) +4.1 −2.0(syst.) events. The total cross section for W± Z production for Z/γ ∗ masses within the range 66 GeV to 116 GeV is determined to be σtot WZ = 20.5+3.1 −2.8(stat.) +1.4 −1.3(syst.) +0.9 −0.8(lumi.) pb, which is consistent with the Standard Model expectation of 17.3+1.3 0.8 pb. Limits on anomalous triple gauge boson couplings are extracted
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Google™ Scholar:ATLAS collaboration - Aad, G. - Barreiro Alonso, Fernando - Cantero, J. - De la Torre, H. - Del Peso, J. - Glasman Kuguel, Claudia Beatriz - Labarga Echeverría, Luis Alfonso - Lagouri, T. - Llorente Merino, J. - March, Luis - Nebot, Eduardo - Rodier, Stephane - Terrón Cuadrado, Juan

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