Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6422
Title: Measurement of electroweak-induced production of W? with two jets in pp collisions at ?s=8 TeV and constraints on anomalous quartic gauge couplings
Authors: CMS Collaboration
Karapınar, Güler
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Electroweak interactions
Issue Date: Jun-2017
Publisher: Springer Verlag
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T.,...CMS Collaboration (2017). Measurement of electroweak-induced production of Wγ with two jets in pp collisions at √s=8 TeV and constraints on anomalous quartic gauge couplings. Journal of High Energy Physics, 2017(6). doi:10.1007/JHEP06(2017)106
Abstract: A measurement of electroweak-induced production of Wγ and two jets is performed, where the W boson decays leptonically. The data used in the analysis correspond to an integrated luminosity of 19.7 fb−1 collected by the CMS experiment in s=8 TeV proton-proton collisions produced at the LHC. Candidate events are selected with exactly one muon or electron, missing transverse momentum, one photon, and two jets with large rapidity separation. An excess over the hypothesis of the standard model without electroweak production of Wγ with two jets is observed with a significance of 2.7 standard deviations. The cross section measured in the fiducial region is 10.8 ± 4.1(stat) ± 3.4(syst) ± 0.3(lumi) fb, which is consistent with the standard model electroweak prediction. The total cross section for Wγ in association with two jets in the same fiducial region is measured to be 23.2 ± 4.3(stat) ± 1.7(syst) ± 0.6(lumi) fb, which is consistent with the standard model prediction from the combination of electroweak and quantum chromodynamics-induced processes. No deviations are observed from the standard model predictions and experimental limits on anomalous quartic gauge couplings fM,0−7/Λ4, fT,0−2/Λ4, and fT,5−7/Λ4 are set at 95% confidence level.[Figure not available: see fulltext.].
URI: http://doi.org/10.1007/JHEP06(2017)106
http://hdl.handle.net/11147/6422
ISSN: 1029-8479
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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