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Measurement of the triple-differential dijet cross section in proton-proton collisions at √s=8TeV and constraints on parton distribution functions

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A measurement is presented of the triple-differential dijet cross section at a centre-of-mass energy of 8TeV using 19.7fb-1 of data collected with the CMS detector in proton-proton collisions at the LHC. The cross section is measured as a function of the average transverse momentum, half the rapidity separation, and the boost of the two leading jets in the event. The cross section is corrected for detector effects and compared to calculations in perturbative quantum chromodynamics at next-to-leading order accuracy, complemented with electroweak and nonperturbative corrections. New constraints on parton distribution functions are obtained and the inferred value of the strong coupling constant is αS(MZ)=0.1199±0.0015(exp)-0.0020+0.0031(theo), where MZ is the mass of the Z boson. © 2017, CERN for the benefit of the CMS collaboration.

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alpha-sCMSJetsPDFPhysicsQCDStrong coupling constantBosonsDistribution functionsTellurium compoundsCoupling constantsMeasurements ofParton distribution functionsProton proton collisionsStrong-couplingQuantum theory
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AlanDeğerDil
dc.contributor.authorSirunyan, A.M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAsilar, E.
dc.contributor.authorBergauer, T.
dc.contributor.authorBrandstetter, J.
dc.contributor.authorBrondolin, E.
dc.contributor.authorDragicevic, M.
dc.contributor.authorErö, J.
dc.contributor.authorFlechl, M.
dc.contributor.authorFriedl, M.
dc.contributor.authorFrühwirth, R.
dc.contributor.authorGhete, X.M.
dc.contributor.authorHartl, C.
dc.contributor.authorHörmann, N.
dc.contributor.authorHrubec, J.
dc.contributor.authorJeitler, M.
dc.contributor.authorKönig, A.
dc.contributor.authorKrätschmer, I.
dc.contributor.authorLiko, D.
dc.contributor.authorMatsushita, T.
dc.contributor.authorMikulec, I.
dc.contributor.authorRabady, D.
dc.contributor.authorRad, N.
dc.contributor.authorRahbaran, B.
dc.contributor.authorRohringer, H.
dc.contributor.authorSchieck, J.
dc.contributor.authorStrauss, J.
dc.contributor.authorWaltenberger, W.
dc.contributor.authorWulz, C.-E.
dc.contributor.authorDvornikov, O.
dc.contributor.authorMakarenko, V.
dc.contributor.authorMossolov, V.
dc.contributor.authorGonzalez, J. Suarez
dc.contributor.authorZykunov, V.
dc.contributor.authorShumeiko, N.
dc.contributor.authorAlderweireldt, S.
dc.contributor.authorDe Wolf, E.A.
dc.contributor.authorJanssen, X.
dc.contributor.authorLauwers, J.
dc.contributor.authorVan De Klundert, M.
dc.contributor.authorVan Haevermaet, H.
dc.contributor.authorVan Mechelen, P.
dc.contributor.authorVan Remortel, N.
dc.contributor.authorVan Spilbeeck, A.
dc.contributor.authorZeid, S. Abu
dc.contributor.authorBlekman, F.
dc.contributor.authorD’hondt, J.
dc.contributor.authorDaci, N.
dc.contributor.authorDe Bruyn, I.
dc.date.accessioned2026-10-18T20:29:21.135471170Z
dc.date.available2026-10-18T20:29:21.135471170Z
dc.date.issued2017
dc.description.abstractA measurement is presented of the triple-differential dijet cross section at a centre-of-mass energy of 8TeV using 19.7fb-1 of data collected with the CMS detector in proton-proton collisions at the LHC. The cross section is measured as a function of the average transverse momentum, half the rapidity separation, and the boost of the two leading jets in the event. The cross section is corrected for detector effects and compared to calculations in perturbative quantum chromodynamics at next-to-leading order accuracy, complemented with electroweak and nonperturbative corrections. New constraints on parton distribution functions are obtained and the inferred value of the strong coupling constant is αS(MZ)=0.1199±0.0015(exp)-0.0020+0.0031(theo), where MZ is the mass of the Z boson. © 2017, CERN for the benefit of the CMS collaboration.
dc.description.sponsorshipAlexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund, the Mobility Plus programme of the Ministry of Science and Higher Education, the National Science Center (Poland), contracts Harmonia 2014/14/M/ST2/00428, Opus 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, and 2015/19/B/ST2/ 02861, Sonata-bis 2012/07/E/ST2/01406; the National Priorities Research Program by Qatar National Research Fund; the Programa Clarín-COFUND del Principado de Asturias; the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chula-longkorn University and the Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand); and the Welch Foundation, contract C-1845.
dc.identifier.doi10.1140/epjc/s10052-017-5286-7
dc.identifier.issn1434-6044
dc.identifier.issue11
dc.identifier.scopus2-s2.0-85033667421
dc.identifier.startpage746
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/14541
dc.identifier.volume77
dc.language.isoen
dc.publisherSpringer Nature
dc.relation.ispartofEuropean Physical Journal C
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectalpha-s
dc.subjectCMS
dc.subjectJets
dc.subjectPDF
dc.subjectPhysics
dc.subjectQCD
dc.subjectStrong coupling constant
dc.subjectBosons
dc.subjectDistribution functions
dc.subjectTellurium compounds
dc.subjectCoupling constants
dc.subjectMeasurements of
dc.subjectParton distribution functions
dc.subjectProton proton collisions
dc.subjectStrong-coupling
dc.subjectQuantum theory
dc.titleMeasurement of the triple-differential dijet cross section in proton-proton collisions at √s=8TeV and constraints on parton distribution functions
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus46
rdl.oa.statusgold
rdl.source.indexSCOPUS