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Measurements of the pp -> WZ inclusive and differential production cross sections and constraints on charged anomalous triple gauge couplings at √s = 13 TeV

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2019
Sirunyan2019_Article_MeasurementsOfThePpWZInclusive.pdf (1.238Mb)
Authors
Sirunyan, A M
Tumasyan, A
Adam, W
Ambrogi, F
Adžić, Petar
Ćirković, Predrag
Devetak, Damir
Đorđević, Miloš
Milošević, Jovan
Contributors
CMS Collaboration
CMS Collaboration (ukupan broj autora: 2293)
Article (Published version)
,
© 2019, The Author(s)
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Abstract
The WZ production cross section is measured in proton-proton collisions at a centre-of-mass energy s = 13 TeV using data collected with the CMS detector, corresponding to an integrated luminosity of 35.9 fb -1 . The inclusive cross section is measured to be s tot (pp ? WZ) = 48.09 - 0.96 + 1.00 (stat) - 0.37 + 0.44 (theo) - 2.17 + 2.39 (syst) ± 1.39(lum) pb, resulting in a total uncertainty of -2.78/+2.98 pb. Fiducial cross section and ratios of charge-dependent cross section measurements are provided. Differential cross section measurements are also presented with respect to three variables: the Z boson transverse momentum p T , the leading jet p T , and the M(WZ) variable, defined as the invariant mass of the system composed of the three leptons and the missing transverse momentum. Differential measurements with respect to the W boson p T , separated by charge, are also shown. Results are consistent with standard model predictions, favouring next-to-next-to-leading-order predictions ...over those at next-to-leading order. Constraints on anomalous triple gauge couplings are derived via a binned maximum likelihood fit to the M(WZ) variable.[Figure not available: see fulltext.] © 2019, The Author(s).

Source:
Journal of High Energy Physics, 2019, 2019, 4, 122-

DOI: 10.1007/JHEP04(2019)122

ISSN: 1126-6708 (print)

WoS: 000465290300001

Scopus: 2-s2.0-85064902833
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http://vinar.vin.bg.ac.rs/handle/123456789/8185
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