Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/102207
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dc.contributor.authorAad, G.en
dc.contributor.authorATLAS Collaborationen
dc.contributor.authorAbbott, B.en
dc.contributor.authorAbdallah, J.en
dc.contributor.authorAbdel Khalek, S.en
dc.contributor.authorAbdinov, O.en
dc.contributor.authorAben, R.en
dc.contributor.authorAbi, B.en
dc.contributor.authorAbolins, M.en
dc.contributor.authorAbouzeid, O.en
dc.contributor.authorAbramowicz, H.en
dc.contributor.authorAbreu, H.en
dc.contributor.authorAbreu, R.en
dc.contributor.authorAbulaiti, Y.en
dc.contributor.authorAcharya, B.en
dc.contributor.authorAdamczyk, L.en
dc.contributor.authorAdams, D.en
dc.contributor.authorAdelman, J.en
dc.contributor.authorAdomeit, S.en
dc.contributor.authorAdye, T.en
dc.contributor.authoret al.en
dc.date.issued2015en
dc.identifier.citationPhysical Review D - Particles, Fields, Gravitation and Cosmology, 2015; 91(3):032004-1-032004-23en
dc.identifier.issn1550-7998en
dc.identifier.issn1550-2368en
dc.identifier.urihttp://hdl.handle.net/2440/102207-
dc.description.abstractThe transverse polarization of Λ and Λ⁻ hyperons produced in proton-proton collisions at a center-of-mass energy of 7 TeV is measured. The analysis uses 760  μb⁻¹ of minimum bias data collected by the ATLAS detector at the LHC in the year 2010. The measured transverse polarization averaged over Feynman xF from 5×10−5 to 0.01 and transverse momentum pT from 0.8 to 15 GeV is −0.010±0.005(stat)±0.004(syst) for Λ and 0.002±0.006(stat)±0.004(syst) for Λ¯. It is also measured as a function of xF and pT, but no significant dependence on these variables is observed. Prior to this measurement, the polarization was measured at fixed-target experiments with center-of-mass energies up to about 40 GeV. The ATLAS results are compatible with the extrapolation of a fit from previous measurements to the xF range covered by this measurement.en
dc.description.statementofresponsibilityG. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration)en
dc.language.isoenen
dc.publisherAmerican Physical Society.en
dc.rights© 2015 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published articles title, journal citation, and DOI.en
dc.titleMeasurement of the transverse polarization of Λ and Λ⁻ hyperons produced in proton-proton collisions at √s = 7 TeV using the ATLAS detectoren
dc.typeJournal articleen
dc.identifier.rmid0030023182en
dc.identifier.doi10.1103/PhysRevD.91.032004en
dc.identifier.pubid169897-
pubs.library.collectionPhysics publicationsen
pubs.library.teamDS11en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Physics publications

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