Centrality and pseudorapidity dependence of the transverse energy density in pPb collisions at √sNN=5.02 TeV

dc.citation.articleNumber024902en_US
dc.citation.issueNumber2en_US
dc.citation.journalTitlePhysical Review Cen_US
dc.citation.volumeNumber100en_US
dc.contributor.authorCMS Collaborationen_US
dc.date.accessioned2021-10-06T14:15:24Zen_US
dc.date.available2021-10-06T14:15:24Zen_US
dc.date.issued2019en_US
dc.description.abstractThe almost hermetic coverage of the CMS detector is used to measure the distribution of transverse energy, ET, over 13.2 units of pseudorapidity, η, for pPb collisions at a center-of-mass energy per nucleon pair of √sNN=5.02TeV. The huge angular acceptance exploits the fact that the CASTOR calorimeter at −6.6<η<−5.2 is effectively present on both sides of the colliding system because of a switch in the proton-going and lead-going beam directions. This wide acceptance enables the study of correlations between well-separated angular regions and makes the measurement a particularly powerful test of event generators. For minimum bias pPb collisions the maximum value of dET/dη is 22GeV, which implies an ET per participant nucleon pair comparable to that of peripheral PbPb collisions at √sNN=2.76TeV. The increase of dET/dη with centrality is much stronger for the lead-going side than for the proton-going side. The η dependence of dET/dη is sensitive to the η range in which the centrality variable is defined. Several modern generators are compared to these results but none is able to capture all aspects of the η and centrality dependence of the data and the correlations observed between different η regions.en_US
dc.identifier.citationCMS Collaboration. "Centrality and pseudorapidity dependence of the transverse energy density in pPb collisions at √sNN=5.02 TeV." <i>Physical Review C,</i> 100, no. 2 (2019) American Physical Society: https://doi.org/10.1103/PhysRevC.100.024902.en_US
dc.identifier.digitalPhysRevC-100-024902en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevC.100.024902en_US
dc.identifier.urihttps://hdl.handle.net/1911/111448en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleCentrality and pseudorapidity dependence of the transverse energy density in pPb collisions at √sNN=5.02 TeVen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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