Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints

CMS Collaboration; Freya Blekman; Emil Sørensen Bols; Jarne Theo De Clercq; Jorgen D'Hondt; Martin Delcourt; Hesham El Faham; Steven Lowette; Seth Moortgat; Alexander Morton; Denise Müller; Abanti Ranadhir Sahasransu; Stefaan Tavernier; Walter Van Doninck; Petra Van Mulders

doi:10.1103/PhysRevD.105.052003

Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints

CMS Collaboration, Freya Blekman, Emil Sørensen Bols, Jarne Theo De Clercq, Jorgen D'Hondt, Martin Delcourt, Hesham El Faham, Steven Lowette, Seth Moortgat, Alexander Morton, Denise Müller, Abanti Ranadhir Sahasransu, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders

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Differential cross section measurements of W±γ production in proton-proton collisions at s=13 TeV are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016-2018 with an integrated luminosity of 138 fb-1. Candidate events containing an electron or muon, a photon, and missing transverse momentum are selected. The measurements are compared with standard model predictions computed at next-to-leading and next-to-next-to-leading orders in perturbative quantum chromodynamics. Constraints on the presence of TeV-scale new physics affecting the WWγ vertex are determined within an effective field theory framework, focusing on the O3W operator. A simultaneous measurement of the photon transverse momentum and the azimuthal angle of the charged lepton in a special reference frame is performed. This two-dimensional approach provides up to a factor of ten more sensitivity to the interference between the standard model and the O3W contribution than using the transverse momentum alone.

Originele taal-2	English
Artikelnummer	052003
Aantal pagina's	34
Tijdschrift	Phys. Rev. D
Volume	105
Nummer van het tijdschrift	5
DOI's	https://doi.org/10.1103/PhysRevD.105.052003
Status	Published - 9 mrt 2022

Bibliografische nota

Replaced with the published version. Added the journal reference and the DOI. All the figures and tables, including additional supplementary figures, can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/SMP-20-005 (CMS Public Pages)

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10.1103/PhysRevD.105.052003Licentie: CC BY

2111.13948v2Submitted manuscript, 2,56 MBLicentie: CC BY
Measurement of WFinal published version, 1,43 MBLicentie: CC BY

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SRP8: SRP (Zwaartepunt): Hoge-Energiefysica
D'Hondt, J., Van Eijndhoven, N., Craps, B. & Buitink, S.
1/11/12 → 31/10/24
Project: Fundamenteel

Measurement of W$^\pm\gamma$ differential cross sections in proton-proton collisions at $\sqrt{s}$ = 13 TeV and effective field theory constraints
Blekman, F. (Creator), Bols, E. S. (Creator), D'Hondt, J. (Creator), De Clercq, J. T. (Creator), Delcourt, M. (Creator), El Faham, H. (Creator), Lowette, S. (Creator), Moortgat, S. (Creator), Morton, A. (Creator), Müller, D. (Creator), Sahasransu, A. R. (Creator), Tavernier, S. (Creator), Van Doninck, W. (Creator), Van Mulders, P. (Creator) & Stylianou, N. (Creator), HEPData, 5 dec 2021
DOI: 10.17182/hepdata.115354, https://www.hepdata.net/record/ins1978840
Dataset

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Collaboration, CMS., Blekman, F., Bols, E. S., De Clercq, J. T., D'Hondt, J., Delcourt, M., El Faham, H., Lowette, S., Moortgat, S., Morton, A., Müller, D., Sahasransu, A. R., Tavernier, S., Van Doninck, W., & Van Mulders, P. (2022). Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints. Phys. Rev. D, 105(5), [052003]. https://doi.org/10.1103/PhysRevD.105.052003

Collaboration, CMS ; Blekman, Freya ; Bols, Emil Sørensen ; De Clercq, Jarne Theo ; D'Hondt, Jorgen ; Delcourt, Martin ; El Faham, Hesham ; Lowette, Steven ; Moortgat, Seth ; Morton, Alexander ; Müller, Denise ; Sahasransu, Abanti Ranadhir ; Tavernier, Stefaan ; Van Doninck, Walter ; Van Mulders, Petra. / Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints. In: Phys. Rev. D. 2022 ; Vol. 105, Nr. 5.

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abstract = "Differential cross section measurements of W±γ production in proton-proton collisions at s=13 TeV are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016-2018 with an integrated luminosity of 138 fb-1. Candidate events containing an electron or muon, a photon, and missing transverse momentum are selected. The measurements are compared with standard model predictions computed at next-to-leading and next-to-next-to-leading orders in perturbative quantum chromodynamics. Constraints on the presence of TeV-scale new physics affecting the WWγ vertex are determined within an effective field theory framework, focusing on the O3W operator. A simultaneous measurement of the photon transverse momentum and the azimuthal angle of the charged lepton in a special reference frame is performed. This two-dimensional approach provides up to a factor of ten more sensitivity to the interference between the standard model and the O3W contribution than using the transverse momentum alone.",

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Collaboration, CMS, Blekman, F, Bols, ES, De Clercq, JT, D'Hondt, J , Delcourt, M, El Faham, H, Lowette, S, Moortgat, S, Morton, A, Müller, D, Sahasransu, AR, Tavernier, S, Van Doninck, W & Van Mulders, P 2022, 'Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints', Phys. Rev. D, vol. 105, nr. 5, 052003. https://doi.org/10.1103/PhysRevD.105.052003

Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints. / Collaboration, CMS; Blekman, Freya; Bols, Emil Sørensen; De Clercq, Jarne Theo; D'Hondt, Jorgen ; Delcourt, Martin; El Faham, Hesham; Lowette, Steven; Moortgat, Seth; Morton, Alexander; Müller, Denise; Sahasransu, Abanti Ranadhir; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra.

In: Phys. Rev. D, Vol. 105, Nr. 5, 052003, 09.03.2022.

Onderzoeksoutput: Article › peer review

TY - JOUR

T1 - Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints

AU - Collaboration, CMS

AU - Blekman, Freya

AU - Bols, Emil Sørensen

AU - De Clercq, Jarne Theo

AU - D'Hondt, Jorgen

AU - Delcourt, Martin

AU - El Faham, Hesham

AU - Lowette, Steven

AU - Moortgat, Seth

AU - Morton, Alexander

AU - Müller, Denise

AU - Sahasransu, Abanti Ranadhir

AU - Tavernier, Stefaan

AU - Van Doninck, Walter

AU - Van Mulders, Petra

N1 - Replaced with the published version. Added the journal reference and the DOI. All the figures and tables, including additional supplementary figures, can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/SMP-20-005 (CMS Public Pages)

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N2 - Differential cross section measurements of W±γ production in proton-proton collisions at s=13 TeV are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016-2018 with an integrated luminosity of 138 fb-1. Candidate events containing an electron or muon, a photon, and missing transverse momentum are selected. The measurements are compared with standard model predictions computed at next-to-leading and next-to-next-to-leading orders in perturbative quantum chromodynamics. Constraints on the presence of TeV-scale new physics affecting the WWγ vertex are determined within an effective field theory framework, focusing on the O3W operator. A simultaneous measurement of the photon transverse momentum and the azimuthal angle of the charged lepton in a special reference frame is performed. This two-dimensional approach provides up to a factor of ten more sensitivity to the interference between the standard model and the O3W contribution than using the transverse momentum alone.

AB - Differential cross section measurements of W±γ production in proton-proton collisions at s=13 TeV are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016-2018 with an integrated luminosity of 138 fb-1. Candidate events containing an electron or muon, a photon, and missing transverse momentum are selected. The measurements are compared with standard model predictions computed at next-to-leading and next-to-next-to-leading orders in perturbative quantum chromodynamics. Constraints on the presence of TeV-scale new physics affecting the WWγ vertex are determined within an effective field theory framework, focusing on the O3W operator. A simultaneous measurement of the photon transverse momentum and the azimuthal angle of the charged lepton in a special reference frame is performed. This two-dimensional approach provides up to a factor of ten more sensitivity to the interference between the standard model and the O3W contribution than using the transverse momentum alone.

KW - hep-ex

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U2 - 10.1103/PhysRevD.105.052003

DO - 10.1103/PhysRevD.105.052003

M3 - Article

VL - 105

JO - Physical Review D. Particles, Fields, Gravitation, and Cosmology

JF - Physical Review D. Particles, Fields, Gravitation, and Cosmology

SN - 1550-7998

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M1 - 052003

ER -

Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints

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Measurement of W$^\pm\gamma$ differential cross sections in proton-proton collisions at $\sqrt{s}$ = 13 TeV and effective field theory constraints

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