Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5021
Title: Study of Z boson production in PbPb collisions at ?s NN=2.76TeV
Authors: CMS Collaboration
Demir, Durmuş Ali
Keywords: Bosons
Tellurium compounds
CMS detectors
Pb-Pb collisions
Transverse momenta
Issue Date: May-2011
Publisher: American Physical Society
Source: Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M.,...CMS Collaboration (2011). Study of Z boson production in PbPb collisions at √s NN=2.76TeV. Physical Review Letters, 106(21). doi:10.1103/PhysRevLett.106.212301
Abstract: A search for Z bosons in the μ+μ- decay channel has been performed in PbPb collisions at √sNN=2.76TeV with the CMS detector at the LHC, in a 7.2μb-1 data sample. The number of opposite-sign muon pairs observed in the 60-120GeV/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. © 2011 American Physical Society.
URI: http://doi.org/10.1103/PhysRevLett.106.212301
http://hdl.handle.net/11147/5021
ISSN: 0031-9007
1079-7114
Appears in Collections:Physics / Fizik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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