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Measurement of the WZ cross section and triple gauge couplings in pp-bar collisions at √s=1.96 TeV
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SYSNO ASEP 0389264 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measurement of the WZ cross section and triple gauge couplings in pp-bar collisions at √s=1.96 TeV Author(s) Aaltonen, T. (FI)
Gonzalez, B.A. (ES)
Amerio, S. (IT)
Lysák, Roman (FZU-D) RID, ORCIDNumber of authors 477 Source Title Physical Review D: Particles, Fields, Gravitation and Cosmology. - : American Physical Society - ISSN 1550-7998
Roč. 86, č. 3 (2012), "031104-1"-"031104-7"Number of pages 7 s. Language eng - English Country US - United States Keywords W hadron production ; 3 gauge boson coupling ; TEVATRON ; CDF Subject RIV BF - Elementary Particles and High Energy Physics R&D Projects LC527 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100502 - FZU-D (2005-2011) UT WOS 000307809500001 DOI 10.1103/PhysRevD.86.031104 Annotation This Letter describes the current most precise measurement of the $WZ$ production cross section as well as limits on anomalous $WWZ$ couplings at a center-of-mass energy of 1.96 TeV in proton-antiproton collisions for the Collider Detector at Fermilab (CDF). $WZ$ candidates are reconstructed from decays containing three charged leptons and missing energy from a neutrino, where the charged leptons are either electrons or muons. Using data collected by the CDF II detector (7.1 fb$^{-1}$ of integrated luminosity), 63 candidate events are observed with the expected background contributing $8 /pm 1$ events. The measured total cross section $/sigma (p /bar p /to WZ) = 3.93_{-0.53}^{+0.60}(/text{stat})_{-0.46}^{+0.59}(/text{syst}) $ pb is in good agreement with the standard model prediction of $3.50/pm 0.21$. The same sample is used to set limits on anomalous $WWZ$ couplings. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2013
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