Measurement of the Wγ Production Cross Section in Proton-Proton Collisions at  √ s = 13 TeV and Constraints on Effective Field Theory Coefficients

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Title:	Measurement of the Wγ Production Cross Section in Proton-Proton Collisions at √ s = 13 TeV and Constraints on Effective Field Theory Coefficients
Authors:	CMS Collaboration Sirunyan, A. M. DUBE, SOURABH KANSAL, B. PANDEY, S. RANE, A. RASTOGI, A. SHARMA, SEEMA et al. Dept. of Physics
Keywords:	Physics 2021-JUL-WEEK3 TOC-JUL-2021 2021
Issue Date:	Jun-2021
Publisher:	American Physical Society
Citation:	Physical Review Letters, 126(25), 252002.
Abstract:	A fiducial cross section for Wγ production in proton-proton collisions is measured at a center-of-mass energy of 13 TeV in 137 fb−1 of data collected using the CMS detector at the LHC. The W→eν and μν decay modes are used in a maximum-likelihood fit to the lepton-photon invariant mass distribution to extract the combined cross section. The measured cross section is compared with theoretical expectations at next-to-leading order in quantum chromodynamics. In addition, 95% confidence level intervals are reported for anomalous triple-gauge couplings within the framework of effective field theory.
URI:	http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/6094 https://doi.org/10.1103/PhysRevLett.126.252002
ISSN:	1079-7114 0031-9007
Appears in Collections:	JOURNAL ARTICLES

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