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dc.date.accessioned 2022-03-03T15:43:32Z
dc.date.available 2022-03-03T15:43:32Z
dc.date.issued 2020-12-23
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/131891
dc.description.abstract The observation of forward proton scattering in association with lepton pairs (e⁺e⁻ + p or μ⁺μ⁻ + p) produced via photon fusion is presented. The scattered proton is detected by the ATLAS Forward Proton spectrometer, while the leptons are reconstructed by the central ATLAS detector. Proton-proton collision data recorded in 2017 at a center-of-mass energy of √s = 13  TeV are analyzed, corresponding to an integrated luminosity of 14.6  fb⁻¹. A total of 57 (123) candidates in the ee + p (μμ + p) final state are selected, allowing the background-only hypothesis to be rejected with a significance exceeding 5 standard deviations in each channel. Proton-tagging techniques are introduced for cross-section measurements in the fiducial detector acceptance, corresponding to σee+ = 11.0 ± 2.6(stat) ± 1.2(syst) ± 0.3(lumi) and σμμ+p = 7.2 ± 1.6(stat) ± 0.9(syst) ± 0.2(lumi)  fb in the dielectron and dimuon channel, respectively. en
dc.language en es
dc.subject Electroweak interaction es
dc.subject Particle production es
dc.subject Quantum electrodynamics es
dc.subject Leptons es
dc.subject Precision measurements es
dc.subject Particles & Fields es
dc.title Observation and Measurement of Forward Proton Scattering in Association with Lepton Pairs Produced via the Photon Fusion Mechanism at ATLAS en
dc.type Articulo es
sedici.identifier.other doi:10.1103/physrevlett.125.261801 es
sedici.identifier.other pmid:33449771 es
sedici.identifier.issn 1079-7114 es
sedici.identifier.issn 0031-9007 es
sedici.creator.person Alonso, Francisco es
sedici.creator.person Dova, María Teresa es
sedici.creator.person Hoya, Joaquín es
sedici.creator.person Monticelli, Fernando Gabriel es
sedici.creator.person Orellana, Gonzalo Enrique es
sedici.creator.person Wahlberg, Hernán Pablo es
sedici.creator.corporate The ATLAS Collaboration es
sedici.description.note La lista completa de autores que integran el documento puede consultarse en el archivo. es
sedici.subject.materias Ciencias Exactas es
sedici.subject.materias Física es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Exactas es
mods.originInfo.place Instituto de Física La Plata es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution 4.0 International (CC BY 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Physical Review Letters es
sedici.relation.journalVolumeAndIssue vol. 125, no. 26 es


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Creative Commons Attribution 4.0 International (CC BY 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution 4.0 International (CC BY 4.0)