Multijet event shape variables for Mueller-Navelet jet topologies

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dc.contributor.authorBaldenegro, Cristian
dc.contributor.authorChachamis, Grigorios
dc.contributor.authorKampshoff, Mats
dc.contributor.authorKlasen, Michael
dc.contributor.authorMilhano, José Guilherme
dc.contributor.authorRoyon, Christophe
dc.contributor.authorSabio Vera, Agustín
dc.contributor.departmentEstadística, Informática y Matemáticases_ES
dc.contributor.departmentEstatistika, Informatika eta Matematikaeu
dc.date.accessioned2025-02-27T19:16:38Z
dc.date.available2025-02-27T19:16:38Z
dc.date.issued2024-12-18
dc.date.updated2025-02-27T18:31:11Z
dc.description.abstractThis paper presents a new set of multijet event shape variables introduced to further understand the Mueller-Navelet jet topology. This topology consists of having at least one pair of jets with a very large rapidity separation between them, treating additional jet activity inclusively. This multijet topology is expected to shed light on the radiation pattern that is expected in the high-energy limit of the strong interaction. The paper relies on a Monte Carlo event generator analysis. One set of predictions uses the bfklex event generator, which is based on Balitsky-Fadin-Kuraev-Lipatov (BFKL) perturbative quantum chromodynamics (pQCD) evolution with a resummation of large logarithms of energy at leading-logarithmic accuracy. The bfklex predictions are compared with a fixed-order next-to-leading order pQCD calculation using powheg matched to the parton shower of pythia8 (NLO+PS), which is the standard for NLO generator predictions at the LHC. We find that both approaches lead to compatible results at current LHC energies, assuming the current experimental constraints for the reconstruction of low transverse momentum jets in ATLAS and CMS. This shows the reliability of the BFKL approach at describing the behavior of the strong interaction in the preasymptotic limit of high center-of-mass energies. Differences between the NLO+PS and the BFKL-based approaches are found when the jet multiplicity is increased or when the minimum transverse momentum of the jets is decreased.en
dc.description.sponsorshipThis work has been supported by the German Research Foundation (DFG) through the Research Training Network 2149 “Strong and weak interactions—from hadrons to dark matter,” by the Spanish Research Agency (Agencia Estatal de Investigación) through the Grant IFT Centro de Excelencia Severo Ochoa SEV-2016-0597, and by the Spanish Government Grant No. FPA2016-78022-P. It has also received funding from the European Union’s Horizon 2020 research and innovation programme under Grant Agreement No. 824093. The work of G. C. was supported by the Fundação para a Ciência e a Tecnologia (Portugal) under project EXPL/FIS-PAR/1195/2021 [64] and contract “Investigador FCT—Individual Call/03216/ 2017.” G. J. M. was partly supported by the European Research Council project ERC-2018- ADG-835105 YoctoLHC. G. C. and G. J. M. were also supported by Fundação para a Ciência e a Tecnologia (Portugal) under project CERN/FIS-PAR/0032/2021 [65]. C. B. is supported by the European Research Council consolidator Grant No. 101002207 (QCDHighDensityCMS).
dc.format.mimetypeapplication/pdfen
dc.identifier.citationBaldenegro, C., Chachamis, G., Kampshoff, M., Klasen, M., Milhano, J. G., Royon, C., Sabio Vera, A. (2024) Multijet event shape variables for Mueller-Navelet jet topologies. Physical Review D, 110(11), 1-18. https://doi.org/10.1103/PhysRevD.110.114027.
dc.identifier.doi10.1103/PhysRevD.110.114027
dc.identifier.issn2470-0010
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/53605
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.ispartofPhysical Review D, 110(11), 114027 (2024)
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI//SEV-2016-0597/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI//FPA2016-78022-P/
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Commission/Horizon 2020 Framework Programme/824093/
dc.relation.publisherversionhttps://doi.org/10.1103/PhysRevD.110.114027
dc.rightsCreative Commons Attribution 4.0 International license
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectQuantum chromodynamicsen
dc.subjectQuark & gluon jetsen
dc.subjectStrong interactionen
dc.titleMultijet event shape variables for Mueller-Navelet jet topologiesen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
relation.isAuthorOfPublicationb6f76ecd-cc7a-473c-8071-4996bee1af93
relation.isAuthorOfPublication.latestForDiscoveryb6f76ecd-cc7a-473c-8071-4996bee1af93

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