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https://hdl.handle.net/11147/5021
Title: | Study of Z Boson Production in Pbpb Collisions at ?s Nn=2.76tev | Authors: | Karapınar, Güler Demir, Durmuş Ali |
Keywords: | Bosons Tellurium compounds CMS detectors Pb-Pb collisions Transverse momenta |
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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