Measurement of Jet Fragmentation in Pb+Pb and pp Collisions at √{S_{NN}} = 2.76 TeV with the ATLAS Detector at the LHC

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dc.contributor.VIAF250674117 (Izen, JM)en_US
dc.contributor.authorAaboud, M.en_US
dc.contributor.authorAad, G.en_US
dc.contributor.authorAbbott, B.en_US
dc.contributor.authorAbdallah, J.en_US
dc.contributor.authorAbdinov, O.en_US
dc.contributor.authorAbeloos, B.en_US
dc.contributor.authorAbidi, S. H.en_US
dc.contributor.authorIzen, Joseph M.en_US
dc.contributor.authorMeirose, Bernharden_US
dc.contributor.authorReeves, Kendallen_US
dc.contributor.authorATLAS Collaborationen_US
dc.contributor.utdAuthorIzen, Joseph M.en_US
dc.contributor.utdAuthorMeirose, Bernharden_US
dc.contributor.utdAuthorReeves, Kendallen_US
dc.date.accessioned2018-05-15T19:51:24Z
dc.date.available2018-05-15T19:51:24Z
dc.date.created2017-07-13
dc.description.abstractThis paper describes the implementation and performance of a particle flow algorithm applied to 20.2 fb⁻¹ of ATLAS data from 8 TeV proton–proton collisions in Run 1 of the LHC. The algorithm removes calorimeter energy deposits due to charged hadrons from consideration during jet reconstruction, instead using measurements of their momenta from the inner tracker. This improves the accuracy of the charged-hadron measurement, while retaining the calorimeter measurements of neutral-particle energies. The paper places emphasis on how this is achieved, while minimising double-counting of charged-hadron signals between the inner tracker and calorimeter. The performance of particle flow jets, formed from the ensemble of signals from the calorimeter and the inner tracker, is compared to that of jets reconstructed from calorimeter energy deposits alone, demonstrating improvements in resolution and pile-up stability.en_US
dc.description.departmentSchool of Natural Sciences and Mathematicsen_US
dc.identifier.bibliographicCitationAaboud, M., G. Aad, B. Abbott, J. Abdallah, et al. 2017. "Jet reconstruction and performance using particle flow with the ATLAS Detector." 77(7), doi:10.1140/epjc/s10052-017-5031-2en_US
dc.identifier.issue7en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/5717
dc.identifier.volume77en_US
dc.relation.urihttp://dx.doi.org/10.1140/epjc/s10052-017-5031-2
dc.rightsCC BY 4.0 (Attribution)en_US
dc.rights©2017 CERN, for the ATLAS Collaborationen_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_US
dc.sourceEuropean Physical Journal C
dc.subjectProton-proton interactionsen_US
dc.subjectLarge Hadron Collider (France and Switzerland)en_US
dc.subjectCalorimetersen_US
dc.subjectHadronsen_US
dc.subjectJets (Nuclear physics)en_US
dc.titleMeasurement of Jet Fragmentation in Pb+Pb and pp Collisions at √{S_{NN}} = 2.76 TeV with the ATLAS Detector at the LHCen_US
dc.type.genrearticleen_US

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