Measurement of the electroweak production of Zγ and two jets in proton-proton collisions at √s = 13 TeV and constraints on anomalous quartic gauge couplings

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Title:	Measurement of the electroweak production of Zγ and two jets in proton-proton collisions at √s = 13 TeV and constraints on anomalous quartic gauge couplings
Authors:	CMS Collaboration Tumasyan, A. ALPANA, K. DUBE, SOURABH KANSAL, B. LAHA, A. PANDEY, S. RANE, A. RASTOGI, A. SHARMA, SEEMA et al. Dept. of Physics
Keywords:	Physics 2021-OCT-WEEK3 TOC-OCT-2021 2021
Issue Date:	Oct-2021
Publisher:	American Physical Society
Citation:	Physical Review D, 104(7), 072001.
Abstract:	The first observation of the electroweak (EW) production of a Z boson, a photon, and two forward jets (Zγjj) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. A data set corresponding to an integrated luminosity of 137 fb−1, collected by the CMS experiment at the LHC in 2016–2018 is used. The measured fiducial cross section for EW Zγjj is σEW=5.21±0.52(stat)±0.56(syst)fb=5.21±0.76 fb. Single-differential cross sections in photon, leading lepton, and leading jet transverse momenta, and double-differential cross sections in m jj and \|Δηjj\| are also measured. Exclusion limits on anomalous quartic gauge couplings are derived at 95% confidence level in terms of the effective field theory operators M0 to M5, M7, T0 to T2, and T5 to T9.
URI:	http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/6348 https://doi.org/10.1103/PhysRevD.104.072001
ISSN:	2470-0029 2470-0010
Appears in Collections:	JOURNAL ARTICLES

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