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dc.contributor.authorSirunyan, A. N.
dc.contributor.authorGeorgiev, Vjačeslav
dc.contributor.authorHammerbauer, Jiří
dc.contributor.authorLinhart, Richard
dc.contributor.authorPeroutka, Zdeněk
dc.contributor.authorUrban, Ondřej
dc.contributor.authorVavroch, Ondřej
dc.contributor.authorZich, Jan
dc.contributor.authorCMS, Collaboration
dc.contributor.authorTOTEM, Collaboration
dc.date.accessioned2022-06-20T10:00:10Z-
dc.date.available2022-06-20T10:00:10Z-
dc.date.issued2021
dc.identifier.citationSIRUNYAN, AN. GEORGIEV, V. HAMMERBAUER, J. LINHART, R. PEROUTKA, Z. URBAN, O. VAVROCH, O. ZICH, J. CMS, C. TOTEM, C. Hard color-singlet exchange in dijet events in proton-proton collisions at √s=13 TeV. Physical Review D, 2021, roč. 104, č. 3, s. "032009-1" - "032009-35". ISSN: 2470-0010cs
dc.identifier.issn2470-0010
dc.identifier.uri2-s2.0-85114162630
dc.identifier.urihttp://hdl.handle.net/11025/47782
dc.format35 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.ispartofseriesPhysical Review Den
dc.rights© Creative Commons Attribution 4.0 Internationalen
dc.titleHard color-singlet exchange in dijet events in proton-proton collisions at √s=13 TeVen
dc.typečlánekcs
dc.typearticleen
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedEvents where the two leading jets are separated by a pseudorapidity interval devoid of particle activity, known as jet-gap-jet events, are studied in proton-proton collisions at √s=13 TeV. The signature is expected from hard color-singlet exchange. Each of the highest transverse momentum (pT) jets must have pjetT>40 GeV and pseudorapidity 1.4<|ηjet|<4.7, with ηjet1ηjet2<0, where jet1 and jet2 are the leading and subleading jets in pT, respectively. The analysis is based on data collected by the CMS and TOTEM experiments during a low luminosity, high-β∗ run at the CERN LHC in 2015, with an integrated luminosity of 0.66 pb−1. Events with a low number of charged particles with pT>0.2 GeV in the interval |η|<1 between the jets are observed in excess of calculations that assume only color-exchange. The fraction of events produced via color-singlet exchange, fCSE, is measured as a function of pjet2T, the pseudorapidity difference between the two leading jets, and the azimuthal angular separation between the two leading jets. The fraction fCSE has values of 0.4–1.0%. The results are compared with previous measurements and with predictions from perturbative quantum chromodynamics. In addition, the first study of jet-gap-jet events detected in association with an intact proton using a subsample of events with an integrated luminosity of 0.40 pb−1 is presented. The intact protons are detected with the Roman pot detectors of the TOTEM experiment. The fCSE in this sample is 2.91±0.70(stat)+1.08−1.01(syst) times larger than that for inclusive dijet production in dijets with similar kinematics.en
dc.subject.translatedcolor-singled exchangeen
dc.subject.translateddijet eventsen
dc.subject.translatedLHCen
dc.subject.translatedproton-proton collisionsen
dc.subject.translatedparticle physicsen
dc.identifier.doi10.1103/PhysRevD.104.032009
dc.type.statusPeer-revieweden
dc.identifier.document-number689736000001
dc.identifier.obd43936086
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