Observation and Measurement of Forward Proton Scattering in Association with Lepton Pairs Produced via the Photon Fusion Mechanism at ATLAS

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dc.contributor.authorAad G.
dc.contributor.authorAbbott B.
dc.contributor.authorAbbott D.C.
dc.contributor.authorAbed Abud A.
dc.contributor.authorAbeling K.
dc.contributor.authorAbhayasinghe D.K.
dc.contributor.authorAbidi S.H.
dc.contributor.authorAbouzeid O.S.
dc.contributor.authorAbraham N.L.
dc.contributor.authorAbramowicz H.
dc.contributor.authorAbreu H.
dc.contributor.authorAbulaiti Y.
dc.contributor.authorAcharya B.S.
dc.date.accessioned2021-07-30T00:13:51Z
dc.date.available2021-07-30T00:13:51Z
dc.date.issued2020-12
dc.descriptionIndexación Scopuses
dc.description.abstractThe 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+p=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. © 2020 CERN.es
dc.description.urihttps://journals-aps-org.recursosbiblioteca.unab.cl/prl/abstract/10.1103/PhysRevLett.125.261801
dc.identifier.citationVolume 125, Issue 26, 23 December 2020, Article number 261801es
dc.identifier.doi10.1103/PhysRevLett.125.261801
dc.identifier.issn00319007
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/19573
dc.language.isoenes
dc.publisherAmerican Physical Societyes
dc.subjectPomeronses
dc.subjectPhotoproductiones
dc.subjectQuantum Chromodynamicses
dc.titleObservation and Measurement of Forward Proton Scattering in Association with Lepton Pairs Produced via the Photon Fusion Mechanism at ATLASes
dc.typeArtículoes
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