Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5298
Title: Measurement of the hadronic activity in events with a Z and two jets and extraction of the cross section for the electroweak production of a Z with two jets in pp collisions at ?s = 7 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Hadronic activity
Electroweak production
Jets
CMS experiment
Vector boson fusion
Issue Date: Oct-2013
Publisher: Springer Verlag
Source: Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., ...CMS Collaboration (2013). Measurement of the hadronic activity in events with a Z and two jets and extraction of the cross section for the electroweak production of a Z with two jets in pp collisions at √s = 7 TeV. Journal of High Energy Physics, 2013(10). doi:10.1007/JHEP10(2013)062
Abstract: The first measurement of the electroweak production cross section of a Z boson with two jets (Zjj) in pp collisions at √s = 7TeV is presented, based on a data sample recorded by the CMS experiment at the LHC with an integrated luminosity of 5fb-1. The cross section is measured for the ℓℓjj (ℓ = e, μ) final state in the kinematic region m ℓℓ > 50 GeV, mjj > 120 GeV, transverse momenta pj T > 25 GeV and pseudorapidity |ηj| < 4.0. The measurement, combining the muon and electron channels, yields σ = 154 ± 24 (stat.) ± 46 (exp. syst.) ± 27 (th. syst.) ± 3 (lum.) fb, in agreement with the theoretical cross section. The hadronic activity, in the rapidity interval between the jets, is also measured. These results establish an important foundation for the more general study of vector boson fusion processes, of relevance for Higgs boson searches and for measurements of electroweak gauge couplings and vector boson scattering.
URI: http://doi.org/10.1007/JHEP10(2013)062
http://hdl.handle.net/11147/5298
ISSN: 1029-8479
1029-8479
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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