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Title
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Study of Z boson production in PbPb collisions at = 2.76 TeV
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| A search for Z bosons in the μ+μ- decay channel has been performed in PbPb collisions at √sNN=2.76 TeV with the CMS detector at the LHC, in a 7.2 μb-1 data sample. The number of opposite-sign muon pairs observed in the 60120 GeV/c2 invariant mass range is 39, corresponding to a yield per unit of rapidity (y) and per minimum bias event of [33.8±5.5(stat)±4.4(syst)]×10-8, in the |y|<2.0 range. Rapidity, transverse momentum, and centrality dependencies are also measured. The results agree with next-to-leading order QCD calculations, scaled by the number of incoherent nucleon-nucleon collisions. |
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Language
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English
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Source (journal)
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Physical review letters. - New York, N.Y., 1958, currens
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Publication
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New York, N.Y.
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American Physical Society
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2011
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ISSN
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0031-9007
[print]
1079-7114
[online]
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DOI
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10.1103/PHYSREVLETT.106.212301
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Volume/pages
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106
:221
(2011)
, p. 1-14
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Article Reference
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212301
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ISI
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000290895300004
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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