A measurement is presented for the electroweak production of a W boson, a photon (γ), and two jets (j) in proton-proton collisions. The leptonic decay of the W boson is selected by requiring one identified electron or muon and large missing transverse momentum. The two jets are required to have large invariant dijet mass and large separation in pseudorapidity. The measurement is performed with the data collected by the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb−1. The cross section for the electroweak Wγjj production is 23.5þ4.9 −4.7 fb, whereas the total cross section for Wγjj production is 113 13 fb. Differential cross sections are also measured with the distributions unfolded to the particle level. All results are in agreement with the standard model expectations. Constraints are placed on anomalous quartic gauge couplings (aQGCs) in terms of dimension-8 effective field theory operators. These are the most stringent limits to date on the aQGCs parameters fM;2–5=Λ4 and fT;6–7=Λ4.

Measurement of the electroweak production of Wgamma in association with two jets in proton-proton collisions at sqrt(s)=13 TeV / Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., Damanakis, K., Dragicevic, M., Escalante Del Valle, A., Hussain, P. S., Jeitler, M., Krammer, N., Lechner, L., Liko, D., Mikulec, I., Paulitsch, P., Pitters, F. M., Schieck, J., Schöfbeck, R., Schwarz, D., Sonawane, M., et al.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 108:3(2023). [10.1103/physrevd.108.032017]

Measurement of the electroweak production of Wgamma in association with two jets in proton-proton collisions at sqrt(s)=13 TeV

Del Re, D.;Organtini, G.;Paramatti, R.;Quaranta, C.;Rahatlou, S.;Santanastasio, F.;
2023

Abstract

A measurement is presented for the electroweak production of a W boson, a photon (γ), and two jets (j) in proton-proton collisions. The leptonic decay of the W boson is selected by requiring one identified electron or muon and large missing transverse momentum. The two jets are required to have large invariant dijet mass and large separation in pseudorapidity. The measurement is performed with the data collected by the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb−1. The cross section for the electroweak Wγjj production is 23.5þ4.9 −4.7 fb, whereas the total cross section for Wγjj production is 113 13 fb. Differential cross sections are also measured with the distributions unfolded to the particle level. All results are in agreement with the standard model expectations. Constraints are placed on anomalous quartic gauge couplings (aQGCs) in terms of dimension-8 effective field theory operators. These are the most stringent limits to date on the aQGCs parameters fM;2–5=Λ4 and fT;6–7=Λ4.
2023
CMS, LHC, Standard Model, W boson
01 Pubblicazione su rivista::01a Articolo in rivista
Measurement of the electroweak production of Wgamma in association with two jets in proton-proton collisions at sqrt(s)=13 TeV / Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., Damanakis, K., Dragicevic, M., Escalante Del Valle, A., Hussain, P. S., Jeitler, M., Krammer, N., Lechner, L., Liko, D., Mikulec, I., Paulitsch, P., Pitters, F. M., Schieck, J., Schöfbeck, R., Schwarz, D., Sonawane, M., et al.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 108:3(2023). [10.1103/physrevd.108.032017]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1719826
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