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Photons in the proton : implications for the LHC

dc.contributor.authorBall, Richard D.
dc.contributor.authorBarontini, Andrea
dc.contributor.authorCandido, Alessandro
dc.contributor.authorCarrazza, Stefano
dc.contributor.authorCruz-Martinez, Juan
dc.contributor.authorDel Debbio, Luigi
dc.contributor.authorForte, Stefano
dc.contributor.authorGiani, Tommaso
dc.contributor.authorHekhorn, Felix
dc.contributor.authorKassabov, Zahari
dc.contributor.authorLaurenti, Niccolò
dc.contributor.authorMagni, Giacomo
dc.contributor.authorNocera, Emanuele R.
dc.contributor.authorRabemananjara, Tanjona R.
dc.contributor.authorRojo, Juan
dc.contributor.authorSchwan, Christopher
dc.contributor.authorStegeman, Roy
dc.contributor.authorUbiali, Maria
dc.date.accessioned2024-06-06T10:30:39Z
dc.date.available2024-06-06T10:30:39Z
dc.date.issued2024
dc.identifier.citationBall, R. D., Barontini, A., Candido, A., Carrazza, S., Cruz-Martinez, J., Del Debbio, L., Forte, S., Giani, T., Hekhorn, F., Kassabov, Z., Laurenti, N., Magni, G., Nocera, E. R., Rabemananjara, T. R., Rojo, J., Schwan, C., Stegeman, R., & Ubiali, M. (2024). Photons in the proton : implications for the LHC. <i>European Physical Journal C</i>, <i>84</i>(4), Article 540. <a href="https://doi.org/10.1140/epjc/s10052-024-12731-8" target="_blank">https://doi.org/10.1140/epjc/s10052-024-12731-8</a>
dc.identifier.otherCONVID_216000161
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/95609
dc.description.abstractWe construct a set of parton distribution functions (PDFs), based on the recent NNPDF4.0 PDF set, that also include a photon PDF. The photon PDF is constructed using the LuxQED formalism, while QED evolution accounting for O(alpha), O(alpha alphas) and O(alpha^2) corrections is implemented and benchmarked by means of the EKO code. We investigate the impact of QED effects on NNPDF4.0, and compare our results both to our previous NNPDF3.1QED PDF set and to other recent PDF sets that include the photon. We assess the impact of photon-initiated processes and electroweak corrections on a variety of representative LHC processes, and find that they can reach the 5% level in vector boson pair production at large invariant mass.en
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofseriesEuropean Physical Journal C
dc.rightsCC BY 4.0
dc.titlePhotons in the proton : implications for the LHC
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-202406064369
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of Physicsen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.relation.issn1434-6044
dc.relation.numberinseries4
dc.relation.volume84
dc.type.versionpublishedVersion
dc.rights.copyright© 2024 the Authors
dc.rights.accesslevelopenAccessfi
dc.relation.grantnumber358090
dc.relation.grantnumber346326
dc.subject.ysohiukkaskiihdyttimet
dc.subject.ysohiukkasfysiikka
dc.subject.ysoprotonit
dc.subject.ysofotonit
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p14309
jyx.subject.urihttp://www.yso.fi/onto/yso/p15576
jyx.subject.urihttp://www.yso.fi/onto/yso/p12428
jyx.subject.urihttp://www.yso.fi/onto/yso/p2063
dc.rights.urlhttps://creativecommons.org/licenses/by/4.0/
dc.relation.doi10.1140/epjc/s10052-024-12731-8
dc.relation.funderResearch Council of Finlanden
dc.relation.funderResearch Council of Finlanden
dc.relation.funderSuomen Akatemiafi
dc.relation.funderSuomen Akatemiafi
jyx.fundingprogramAcademy Research Fellow, AoFen
jyx.fundingprogramCentre of Excellence, AoFen
jyx.fundingprogramAkatemiatutkija, SAfi
jyx.fundingprogramHuippuyksikkörahoitus, SAfi
jyx.fundinginformationR. D. B, L. D. D., and R. S. are supported by the U.K. Science and Technology Facility Council (STFC) grant ST/T000600/1. F. H. is supported by the Academy of Finland project 358090 and is funded as a part of the Center of Excellence in Quark Matter of the Academy of Finland, project 346326. E. R. N. is supported by the Italian Ministry of University and Research (MUR) through the “Rita Levi-Montalcini” Program. M. U. and Z. K. are supported by the European Research Council under the European Union’s Horizon 2020 research and innovation Programme (grant agreement n.950246), and partially by the STFC consolidated grant ST/L000385/1. J. R. is partially supported by NWO, the Dutch Research Council. C. S. is supported by the German Research Foundation (DFG) under reference number DE 623/6-2.
dc.type.okmA1


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