Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at s=13 TeV

The CMS collaboration

doi:10.1007/JHEP05(2026)020

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at s=13 TeV

The CMS collaboration

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Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the CMS experiment at the LHC during 2016–2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb⁻¹. The analysis is performed in a region enriched in photon production via vector boson fusion, with a requirement on the transverse momentum of the photon to exceed 200 GeV. The cross section is measured to be 202−32+36 fb, at a significance with respect to the null hypothesis that exceeds five standard deviations. This is in agreement with the standard model prediction of 177−12+13 fb. Differential cross sections are measured as a function of various observables. Limits are set on dimension-6 effective field theory operators that contribute to the WWγ interaction. The observed 95% confidence intervals for the corresponding Warsaw basis Wilson coefficients c_W and c_HWB are [−0.11, 0.16] and [−1.6, 1.5], respectively.

langue originale	Anglais
Numéro d'article	20
journal	Journal of High Energy Physics
Volume	2026
Numéro de publication	5
Les DOIs	https://doi.org/10.1007/JHEP05(2026)020
état	Publié - 1 mai 2026

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10.1007/JHEP05(2026)020

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@article{c4cc2aca733247f995191f013b69636a,

title = "Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at s=13 TeV",

abstract = "The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the CMS experiment at the LHC during 2016–2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb−1. The analysis is performed in a region enriched in photon production via vector boson fusion, with a requirement on the transverse momentum of the photon to exceed 200 GeV. The cross section is measured to be 202−32+36 fb, at a significance with respect to the null hypothesis that exceeds five standard deviations. This is in agreement with the standard model prediction of 177−12+13 fb. Differential cross sections are measured as a function of various observables. Limits are set on dimension-6 effective field theory operators that contribute to the WWγ interaction. The observed 95\% confidence intervals for the corresponding Warsaw basis Wilson coefficients cW and cHWB are [−0.11, 0.16] and [−1.6, 1.5], respectively.",

keywords = "Electroweak Interaction, Hadron-Hadron Scattering, Jets, Photon Production",

author = "\{The CMS collaboration\} and A. Hayrapetyan and V. Makarenko and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and L. Benato and T. Bergauer and M. Dragicevic and C. Giordano and Hussain, \{P. S.\} and M. Jeitler and N. Krammer and A. Li and D. Liko and M. Matthewman and I. Mikulec and J. Schieck and D. Schwarz and R. Sch{\"o}fbeck and M. Shooshtari and M. Sonawane and W. Waltenberger and Wulz, \{C. E.\} and T. Janssen and H. Kwon and \{Ocampo Henao\}, D. and \{Van Laer\}, T. and \{Van Mechelen\}, P. and J. Bierkens and N. Breugelmans and J. D{\textquoteright}Hondt and S. Dansana and \{De Moor\}, A. and M. Delcourt and F. Heyen and Y. Hong and P. Kashko and S. Lowette and I. Makarenko and D. M{\"u}ller and A. Cappati and F. Beaudette and O. Davignon and \{De Wit\}, A. and \{Granier de Cassagnac\}, R. and M. Nguyen and C. Ochando and Y. Sirois and A. Zabi and A. Zghiche",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2026.",

year = "2026",

month = may,

day = "1",

doi = "10.1007/JHEP05(2026)020",

language = "English",

volume = "2026",

journal = "Journal of High Energy Physics",

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T1 - Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at s=13 TeV

AU - The CMS collaboration

AU - Hayrapetyan, A.

AU - Makarenko, V.

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Benato, L.

AU - Bergauer, T.

AU - Dragicevic, M.

AU - Giordano, C.

AU - Hussain, P. S.

AU - Jeitler, M.

AU - Krammer, N.

AU - Li, A.

AU - Liko, D.

AU - Matthewman, M.

AU - Mikulec, I.

AU - Schieck, J.

AU - Schwarz, D.

AU - Schöfbeck, R.

AU - Shooshtari, M.

AU - Sonawane, M.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Janssen, T.

AU - Kwon, H.

AU - Ocampo Henao, D.

AU - Van Laer, T.

AU - Van Mechelen, P.

AU - Bierkens, J.

AU - Breugelmans, N.

AU - D’Hondt, J.

AU - Dansana, S.

AU - De Moor, A.

AU - Delcourt, M.

AU - Heyen, F.

AU - Hong, Y.

AU - Kashko, P.

AU - Lowette, S.

AU - Makarenko, I.

AU - Müller, D.

AU - Cappati, A.

AU - Beaudette, F.

AU - Davignon, O.

AU - De Wit, A.

AU - Granier de Cassagnac, R.

AU - Nguyen, M.

AU - Ochando, C.

AU - Sirois, Y.

AU - Zabi, A.

AU - Zghiche, A.

PY - 2026/5/1

Y1 - 2026/5/1

N2 - The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the CMS experiment at the LHC during 2016–2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb−1. The analysis is performed in a region enriched in photon production via vector boson fusion, with a requirement on the transverse momentum of the photon to exceed 200 GeV. The cross section is measured to be 202−32+36 fb, at a significance with respect to the null hypothesis that exceeds five standard deviations. This is in agreement with the standard model prediction of 177−12+13 fb. Differential cross sections are measured as a function of various observables. Limits are set on dimension-6 effective field theory operators that contribute to the WWγ interaction. The observed 95% confidence intervals for the corresponding Warsaw basis Wilson coefficients cW and cHWB are [−0.11, 0.16] and [−1.6, 1.5], respectively.

AB - The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the CMS experiment at the LHC during 2016–2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb−1. The analysis is performed in a region enriched in photon production via vector boson fusion, with a requirement on the transverse momentum of the photon to exceed 200 GeV. The cross section is measured to be 202−32+36 fb, at a significance with respect to the null hypothesis that exceeds five standard deviations. This is in agreement with the standard model prediction of 177−12+13 fb. Differential cross sections are measured as a function of various observables. Limits are set on dimension-6 effective field theory operators that contribute to the WWγ interaction. The observed 95% confidence intervals for the corresponding Warsaw basis Wilson coefficients cW and cHWB are [−0.11, 0.16] and [−1.6, 1.5], respectively.

KW - Electroweak Interaction

KW - Hadron-Hadron Scattering

KW - Jets

KW - Photon Production

UR - https://www.scopus.com/pages/publications/105039922661

U2 - 10.1007/JHEP05(2026)020

DO - 10.1007/JHEP05(2026)020

M3 - Article

AN - SCOPUS:105039922661

SN - 1126-6708

VL - 2026

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 5

M1 - 20

ER -

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at s=13 TeV

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